[Perf] Changes at 7/2/2022 10:25:38 PM

[performanceautofiler]

Run Information

Architecture	x64
OS	alpine 3.15
Baseline	6b8d056a665fa20d321ea1d49a93a37a83960663
Compare	b3c3921a888fcf162d6e270178a0e3ea9a40a022
Diff	Diff

Regressions in System.Collections.Sort<Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
List - Duration of single invocation	2.59 μs	3.76 μs	1.45	0.43	False
Array - Duration of single invocation	2.39 μs	4.86 μs	2.03	0.38	False
LinqOrderByExtension - Duration of single invocation	36.96 μs	39.35 μs	1.06	0.06	False
LinqQuery - Duration of single invocation	36.90 μs	39.54 μs	1.07	0.06	False
Array_Comparison - Duration of single invocation	20.29 μs	22.36 μs	1.10	0.06	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.Sort<Int32>*'

Payloads

Baseline
Compare

Histogram

System.Collections.Sort<Int32>.List(Size: 512)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 3.7597079900000003 > 2.8724378725.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -12.353000312651611 (T) = (0 -4040.00108875) / Math.Sqrt((7881.1649251038625 / (51)) + (101999.74419176362 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.5322040562185509 = (2636.725227526575 - 4040.00108875) / 2636.725227526575 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.Sort<Int32>.Array(Size: 512)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 4.860769107692309 > 2.8123633970833337.
IsChangePoint: Marked as a change because one of 7/3/2022 4:26:07 AM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -6.608538501490605 (T) = (0 -4031.954485538462) / Math.Sqrt((69168.05626492103 / (54)) + (218758.58845493465 / (5))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (54) + (5) - 2, .025) and -0.5333167640368692 = (2629.5639492802884 - 4031.954485538462) / 2629.5639492802884 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.Sort<Int32>.LinqOrderByExtension(Size: 512)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 39.349956216666676 > 38.85571051330769.
IsChangePoint: Marked as a change because one of 5/12/2022 1:53:44 AM, 5/24/2022 3:42:52 PM, 6/23/2022 8:35:19 AM, 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -32.85484823732051 (T) = (0 -39603.86021510531) / Math.Sqrt((141822.95356557955 / (51)) + (18959.126332089763 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.06330752784784205 = (37245.91350845075 - 39603.86021510531) / 37245.91350845075 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.Sort<Int32>.LinqQuery(Size: 512)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 39.538354357142865 > 39.12203206275.
IsChangePoint: Marked as a change because one of 5/11/2022 3:41:15 PM, 5/24/2022 3:42:52 PM, 6/23/2022 8:25:58 PM, 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -31.338449110736804 (T) = (0 -39603.11588914836) / Math.Sqrt((166084.93005790107 / (51)) + (18921.8656819812 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.06307384250315005 = (37253.400757088995 - 39603.11588914836) / 37253.400757088995 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.Sort<Int32>.Array_Comparison(Size: 512)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 22.35703098461539 > 21.753388003999998.
IsChangePoint: Marked as a change because one of 5/23/2022 3:43:39 PM, 5/30/2022 12:57:05 PM, 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -18.737346825567638 (T) = (0 -22215.35563908425) / Math.Sqrt((147699.2479352119 / (51)) + (7500.881236534057 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.055100593057762756 = (21055.20154689937 - 22215.35563908425) / 21055.20154689937 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

[performanceautofiler]

Run Information

Architecture	x64
OS	alpine 3.15
Baseline	6b8d056a665fa20d321ea1d49a93a37a83960663
Compare	b3c3921a888fcf162d6e270178a0e3ea9a40a022
Diff	Diff

Regressions in System.Text.Json.Tests.Perf_Reader

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ReadSingleSpanSequenceEmptyLoop - Duration of single invocation	2.61 μs	5.11 μs	1.96	0.01	False
ReadSingleSpanSequenceEmptyLoop - Duration of single invocation	88.84 ns	139.58 ns	1.57	0.00	False
ReadSpanEmptyLoop - Duration of single invocation	5.98 μs	11.35 μs	1.90	0.05	False
ReadSpanEmptyLoop - Duration of single invocation	70.29 μs	103.84 μs	1.48	0.00	False
ReadReturnBytes - Duration of single invocation	3.04 μs	6.11 μs	2.01	0.01	False
ReadSpanEmptyLoop - Duration of single invocation	5.37 μs	9.22 μs	1.72	0.01	False
ReadReturnBytes - Duration of single invocation	58.99 μs	106.81 μs	1.81	0.01	False
ReadReturnBytes - Duration of single invocation	1.07 μs	2.57 μs	2.39	0.10	False
ReadSpanEmptyLoop - Duration of single invocation	3.88 μs	7.64 μs	1.97	0.04	False
ReadMultiSpanSequenceEmptyLoop - Duration of single invocation	131.68 ns	180.53 ns	1.37	0.01	False
ReadMultiSpanSequenceEmptyLoop - Duration of single invocation	5.97 μs	8.92 μs	1.49	0.03	False
ReadReturnBytes - Duration of single invocation	8.18 μs	10.16 μs	1.24	0.01	False
ReadReturnBytes - Duration of single invocation	77.75 μs	121.89 μs	1.57	0.01	False
ReadSingleSpanSequenceEmptyLoop - Duration of single invocation	81.08 ns	133.80 ns	1.65	0.01	False
ReadSpanEmptyLoop - Duration of single invocation	1.70 μs	3.16 μs	1.86	0.26	False
ReadMultiSpanSequenceEmptyLoop - Duration of single invocation	789.43 ns	1.18 μs	1.50	0.01	False
ReadMultiSpanSequenceEmptyLoop - Duration of single invocation	599.98 ns	1.05 μs	1.76	0.00	False
ReadReturnBytes - Duration of single invocation	4.63 μs	9.34 μs	2.02	0.09	False
ReadSpanEmptyLoop - Duration of single invocation	1.49 μs	2.72 μs	1.82	0.14	False
ReadReturnBytes - Duration of single invocation	10.47 μs	16.50 μs	1.58	0.02	False
ReadMultiSpanSequenceEmptyLoop - Duration of single invocation	1.59 μs	2.41 μs	1.51	0.06	False
ReadReturnBytes - Duration of single invocation	6.96 μs	13.53 μs	1.94	0.03	False
ReadMultiSpanSequenceEmptyLoop - Duration of single invocation	1.98 μs	3.42 μs	1.73	0.00	False
ReadMultiSpanSequenceEmptyLoop - Duration of single invocation	73.56 μs	101.32 μs	1.38	0.01	False
ReadReturnBytes - Duration of single invocation	2.06 μs	3.92 μs	1.90	0.26	False
ReadReturnBytes - Duration of single invocation	2.56 μs	4.56 μs	1.78	0.05	False
ReadSingleSpanSequenceEmptyLoop - Duration of single invocation	1.73 μs	3.26 μs	1.89	0.20	False
ReadSpanEmptyLoop - Duration of single invocation	9.11 μs	14.07 μs	1.54	0.08	False
ReadSingleSpanSequenceEmptyLoop - Duration of single invocation	2.37 μs	3.84 μs	1.62	0.11	False
ReadMultiSpanSequenceEmptyLoop - Duration of single invocation	6.28 μs	10.89 μs	1.73	0.03	False
ReadMultiSpanSequenceEmptyLoop - Duration of single invocation	49.48 μs	83.61 μs	1.69	0.00	False
ReadMultiSpanSequenceEmptyLoop - Duration of single invocation	2.77 μs	4.01 μs	1.44	0.01	False
ReadSingleSpanSequenceEmptyLoop - Duration of single invocation	3.72 μs	7.68 μs	2.06	0.05	False
ReadSingleSpanSequenceEmptyLoop - Duration of single invocation	668.27 ns	1.12 μs	1.68	0.01	False
ReadMultiSpanSequenceEmptyLoop - Duration of single invocation	9.65 μs	14.03 μs	1.45	0.03	False
ReadMultiSpanSequenceEmptyLoop - Duration of single invocation	152.58 ns	189.31 ns	1.24	0.03	False
ReadMultiSpanSequenceEmptyLoop - Duration of single invocation	8.17 μs	9.10 μs	1.11	0.00	False
ReadMultiSpanSequenceEmptyLoop - Duration of single invocation	966.39 ns	1.83 μs	1.89	0.00	False
ReadSpanEmptyLoop - Duration of single invocation	2.59 μs	5.11 μs	1.97	0.01	False
ReadSingleSpanSequenceEmptyLoop - Duration of single invocation	6.00 μs	11.35 μs	1.89	0.05	False
ReadReturnBytes - Duration of single invocation	6.53 μs	10.76 μs	1.65	0.01	False
ReadSpanEmptyLoop - Duration of single invocation	48.56 μs	88.36 μs	1.82	0.02	False
ReadReturnBytes - Duration of single invocation	1.74 μs	3.05 μs	1.76	0.13	False
ReadMultiSpanSequenceEmptyLoop - Duration of single invocation	2.74 μs	4.84 μs	1.77	0.00	False
ReadSpanEmptyLoop - Duration of single invocation	655.07 ns	1.12 μs	1.71	0.01	False
ReadSingleSpanSequenceEmptyLoop - Duration of single invocation	69.42 μs	103.40 μs	1.49	0.00	False
ReadReturnBytes - Duration of single invocation	76.81 ns	147.14 ns	1.92	0.01	False
ReadSpanEmptyLoop - Duration of single invocation	2.39 μs	3.84 μs	1.61	0.12	False
ReadSingleSpanSequenceEmptyLoop - Duration of single invocation	7.66 μs	9.12 μs	1.19	0.00	False
ReadSingleSpanSequenceEmptyLoop - Duration of single invocation	1.47 μs	2.70 μs	1.83	0.01	False
ReadSpanEmptyLoop - Duration of single invocation	72.11 ns	123.15 ns	1.71	0.07	False
ReadSpanEmptyLoop - Duration of single invocation	898.56 ns	2.06 μs	2.30	0.03	False
ReadSpanEmptyLoop - Duration of single invocation	507.40 ns	1.00 μs	1.98	0.03	False
ReadReturnBytes - Duration of single invocation	773.02 ns	1.34 μs	1.73	0.01	False
ReadSpanEmptyLoop - Duration of single invocation	74.54 ns	129.49 ns	1.74	0.08	False
ReadSingleSpanSequenceEmptyLoop - Duration of single invocation	9.92 μs	14.21 μs	1.43	0.05	False
ReadReturnBytes - Duration of single invocation	83.64 ns	158.52 ns	1.90	0.03	False
ReadSingleSpanSequenceEmptyLoop - Duration of single invocation	512.99 ns	1.01 μs	1.97	0.02	False
ReadSingleSpanSequenceEmptyLoop - Duration of single invocation	5.43 μs	9.17 μs	1.69	0.01	False
ReadSingleSpanSequenceEmptyLoop - Duration of single invocation	906.72 ns	2.06 μs	2.27	0.00	False
ReadMultiSpanSequenceEmptyLoop - Duration of single invocation	3.87 μs	7.13 μs	1.84	0.02	False
ReadSpanEmptyLoop - Duration of single invocation	7.56 μs	9.08 μs	1.20	0.00	False
ReadReturnBytes - Duration of single invocation	611.23 ns	1.37 μs	2.24	0.10	False
ReadSingleSpanSequenceEmptyLoop - Duration of single invocation	48.27 μs	88.11 μs	1.83	0.00	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Tests.Perf_Reader*'

Payloads

Baseline
Compare

Histogram

System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: DeepTree)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 5.113290322296792 > 2.7429714988865253.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -337.4558845037357 (T) = (0 -5133.338320551214) / Math.Sqrt((342.5328470815681 / (51)) + (387.2015131476773 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.9532887111687197 = (2628.048936749223 - 5133.338320551214) / 2628.048936749223 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: False, TestCase: HelloWorld)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 139.58325202230364 > 93.28994061510654.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -510.30876395988264 (T) = (0 -139.49308888733424) / Math.Sqrt((0.15120822637626435 / (51)) + (0.055862762701996256 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.5744887127346107 = (88.59580113791938 - 139.49308888733424) / 88.59580113791938 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact: True, TestCase: BroadTree)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 11.347079303627952 > 6.274616109841706.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -179.6004261570104 (T) = (0 -11380.906906081742) / Math.Sqrt((7465.9256598852435 / (51)) + (6178.503714111246 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.9168826007491093 = (5937.195580800897 - 11380.906906081742) / 5937.195580800897 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact: False, TestCase: Json40KB)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 103.83551392502363 > 73.32162193633744.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -138.3411655617789 (T) = (0 -103206.92492915128) / Math.Sqrt((519865.1267767036 / (51)) + (400489.4088688363 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.4903833598166928 = (69248.57570997374 - 103206.92492915128) / 69248.57570997374 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: True, TestCase: DeepTree)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 6.109848831130813 > 3.2112610346456396.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -146.54548679283482 (T) = (0 -6058.657603553991) / Math.Sqrt((1272.208154764564 / (51)) + (3068.795458072517 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.9565461139750975 = (3096.6086412574605 - 6058.657603553991) / 3096.6086412574605 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact: False, TestCase: Json4KB)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 9.21717498579426 > 5.6922974296768345.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -263.1338800436092 (T) = (0 -9169.003006521807) / Math.Sqrt((4750.175875515416 / (51)) + (858.5585137725373 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.6844114411950407 = (5443.446168957786 - 9169.003006521807) / 5443.446168957786 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: True, TestCase: Json40KB)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 106.80955398908523 > 61.73044207854173.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -229.1570689469434 (T) = (0 -105993.14273363144) / Math.Sqrt((377822.8366731147 / (51)) + (274345.24833052716 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.7905114155337944 = (59197.133184449616 - 105993.14273363144) / 59197.133184449616 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: True, TestCase: LotsOfStrings)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 2.566741716975411 > 1.128717790925762.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -36.966605202471904 (T) = (0 -2633.7155308707884) / Math.Sqrt((56.51010726658218 / (51)) + (14199.579818638647 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -1.448096519973135 = (1075.8217698457781 - 2633.7155308707884) / 1075.8217698457781 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact: True, TestCase: Json4KB)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 7.642882261554792 > 3.9685557351978393.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -192.5265894867791 (T) = (0 -7658.095003818146) / Math.Sqrt((6178.289330774491 / (51)) + (2130.2006352032286 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.9795488221589087 = (3868.6062794178415 - 7658.095003818146) / 3868.6062794178415 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadMultiSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: HelloWorld)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 180.5316070526393 > 138.26102137011475.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -122.48323869971128 (T) = (0 -178.80189414492042) / Math.Sqrt((1.0039412076124599 / (51)) + (1.0826805530530668 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.3693209366791903 = (130.57705418463985 - 178.80189414492042) / 130.57705418463985 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadMultiSpanSequenceEmptyLoop(IsDataCompact: False, TestCase: Json4KB)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 8.91852885802469 > 6.325847754604007.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -134.54872498921188 (T) = (0 -8942.834492953678) / Math.Sqrt((6081.598833819592 / (51)) + (2679.729464082015 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.4720001431079638 = (6075.294581202881 - 8942.834492953678) / 6075.294581202881 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: False, TestCase: DeepTree)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 10.161267081971678 > 8.597503658956693.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -59.394385517665526 (T) = (0 -10142.948401094496) / Math.Sqrt((5413.904704971027 / (51)) + (7599.58065911912 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.23502227049263258 = (8212.765586039692 - 10142.948401094496) / 8212.765586039692 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: False, TestCase: Json40KB)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 121.88799811662946 > 81.73516218734346.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -193.8625044865937 (T) = (0 -121314.07493213547) / Math.Sqrt((747930.8374010246 / (51)) + (284475.14127352607 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.5579491018088756 = (77867.803762833 - 121314.07493213547) / 77867.803762833 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: HelloWorld)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 133.80391177732886 > 85.16320734332031.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -53.405936552600885 (T) = (0 -134.15948355895193) / Math.Sqrt((0.44680402339916564 / (51)) + (7.900516392281446 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.6593266990829598 = (80.85175971259683 - 134.15948355895193) / 80.85175971259683 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact: True, TestCase: LotsOfNumbers)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 3.1603117468675506 > 1.785459741090796.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -100.2044696721912 (T) = (0 -3205.604086313199) / Math.Sqrt((2327.771089466335 / (51)) + (1524.056917618989 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.9244258373665288 = (1665.7457118222296 - 3205.604086313199) / 1665.7457118222296 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadMultiSpanSequenceEmptyLoop(IsDataCompact: False, TestCase: Json400B)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 1.1840279457070708 > 842.5749918911429.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -210.8051666533897 (T) = (0 -1181.851661251128) / Math.Sqrt((86.23992308432342 / (51)) + (13.612489835656012 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.48927944653867966 = (793.5728005902033 - 1181.851661251128) / 793.5728005902033 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadMultiSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: Json400B)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 1.053946605041455 > 631.1024033708013.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -120.58317049367099 (T) = (0 -1032.1645311046725) / Math.Sqrt((23.05308244590023 / (51)) + (98.00919025950596 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.7134548308970181 = (602.3879430567304 - 1032.1645311046725) / 602.3879430567304 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: True, TestCase: Json4KB)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 9.335602314247698 > 4.830195839972805.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -165.7259175500297 (T) = (0 -9286.232235372816) / Math.Sqrt((8492.679339146996 / (51)) + (4959.751350673214 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -1.0019741797843704 = (4638.537464240933 - 9286.232235372816) / 4638.537464240933 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact: False, TestCase: LotsOfStrings)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 2.716221369572058 > 1.53436946321157.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -128.2006324806378 (T) = (0 -2711.7782225607143) / Math.Sqrt((501.80384996649946 / (51)) + (640.051879251285 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.8119559434591962 = (1496.60273603765 - 2711.7782225607143) / 1496.60273603765 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: False, TestCase: BroadTree)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 16.49598633272696 > 10.965611527205333.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -106.5778006067168 (T) = (0 -16261.591143276799) / Math.Sqrt((21693.523762815894 / (51)) + (20800.50002828832 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.5637047987372068 = (10399.399654211646 - 16261.591143276799) / 10399.399654211646 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadMultiSpanSequenceEmptyLoop(IsDataCompact: False, TestCase: LotsOfStrings)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 2.4078942586313197 > 1.6465721908370765.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -68.87008627816363 (T) = (0 -2470.3418066213558) / Math.Sqrt((392.73370004302 / (51)) + (1244.6282598863202 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.5533666438920666 = (1590.3146989378793 - 2470.3418066213558) / 1590.3146989378793 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: True, TestCase: BroadTree)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 13.534358255080049 > 7.3710348289550796.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -98.7188551092526 (T) = (0 -13722.956389164987) / Math.Sqrt((10069.50473951487 / (51)) + (34025.0576097564 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.9227466516454145 = (7137.163066918564 - 13722.956389164987) / 7137.163066918564 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadMultiSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: LotsOfNumbers)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 3.415086139936618 > 2.081598408271924.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -189.22021033552855 (T) = (0 -3385.6594637965795) / Math.Sqrt((275.4508428306674 / (51)) + (391.263447735729 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.7003035377147351 = (1991.2088569474008 - 3385.6594637965795) / 1991.2088569474008 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadMultiSpanSequenceEmptyLoop(IsDataCompact: False, TestCase: Json40KB)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 101.31581857718892 > 77.06958756224044.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -145.28928787218675 (T) = (0 -101870.08778865183) / Math.Sqrt((673992.9356026523 / (51)) + (200339.55418075685 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.3868931048426569 = (73452.01114126889 - 101870.08778865183) / 73452.01114126889 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: True, TestCase: LotsOfNumbers)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 3.915776308889452 > 2.1086854750776873.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -24.447144743275203 (T) = (0 -3993.289962102048) / Math.Sqrt((2323.112352172498 / (51)) + (53144.35315052915 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -1.0027445848502277 = (1993.908755169936 - 3993.289962102048) / 1993.908755169936 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: False, TestCase: LotsOfNumbers)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 4.556713530498406 > 2.7186192132152502.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -191.60019526658184 (T) = (0 -4519.676464106118) / Math.Sqrt((1656.061281237879 / (51)) + (530.5281675733692 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.7281524985642762 = (2615.3227032110876 - 4519.676464106118) / 2615.3227032110876 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: LotsOfNumbers)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 3.2646773492631795 > 1.7793989531220766.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -109.98584128943133 (T) = (0 -3225.134281136968) / Math.Sqrt((1663.3685645668804 / (51)) + (1302.4121607450234 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.9110481250463217 = (1687.6258838634922 - 3225.134281136968) / 1687.6258838634922 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact: False, TestCase: BroadTree)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 14.074191707883692 > 9.576585697555418.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -100.88988839703678 (T) = (0 -14031.750507343411) / Math.Sqrt((34861.810055997696 / (51)) + (13115.910220119205 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.5303380489698483 = (9169.05288788247 - 14031.750507343411) / 9169.05288788247 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: False, TestCase: LotsOfNumbers)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 3.8396506290468 > 2.5355028821613566.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -169.52119879181603 (T) = (0 -3836.5057895822006) / Math.Sqrt((2967.5380451258056 / (51)) + (81.57817649217031 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.5757911663338076 = (2434.6536974871547 - 3836.5057895822006) / 2434.6536974871547 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadMultiSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: BroadTree)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 10.89257353765826 > 6.555255556232749.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -269.35444046530665 (T) = (0 -10878.442001420826) / Math.Sqrt((7729.1137724218715 / (51)) + (1201.5841758775712 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.7547276903415083 = (6199.504379681638 - 10878.442001420826) / 6199.504379681638 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadMultiSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: Json40KB)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 83.61039951408885 > 52.177360435051.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -289.19983580144134 (T) = (0 -83331.80027698148) / Math.Sqrt((234110.28030808253 / (51)) + (70557.51748602341 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.6719226013299378 = (49841.90070203899 - 83331.80027698148) / 49841.90070203899 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadMultiSpanSequenceEmptyLoop(IsDataCompact: False, TestCase: LotsOfNumbers)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 4.0055706981981976 > 2.9048870889292644.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -118.30290271920515 (T) = (0 -4026.265028888518) / Math.Sqrt((915.4521998293303 / (51)) + (709.3013146573369 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.43551808845965445 = (2804.746983863364 - 4026.265028888518) / 2804.746983863364 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: Json4KB)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 7.68035387210236 > 4.03266503189289.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -320.5138657448014 (T) = (0 -7661.834412355517) / Math.Sqrt((4745.651768697762 / (51)) + (385.86081169317595 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.9889998210707246 = (3852.1041234840204 - 7661.834412355517) / 3852.1041234840204 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: False, TestCase: Json400B)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 1.1201258920313253 > 706.2384371348176.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -229.4408644059453 (T) = (0 -1123.8931655374524) / Math.Sqrt((50.04522017148891 / (51)) + (21.99107110285342 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.6509398978518285 = (680.7595885227807 - 1123.8931655374524) / 680.7595885227807 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadMultiSpanSequenceEmptyLoop(IsDataCompact: False, TestCase: BroadTree)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 14.033006941330338 > 10.588190632716396.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -115.04033518029324 (T) = (0 -14027.68207030857) / Math.Sqrt((45668.532242928 / (51)) + (2745.703653033738 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.4057399715138333 = (9978.859785286066 - 14027.68207030857) / 9978.859785286066 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadMultiSpanSequenceEmptyLoop(IsDataCompact: False, TestCase: HelloWorld)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 189.3119961349612 > 153.52556048766448.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -146.85864711113106 (T) = (0 -189.61875135924868) / Math.Sqrt((3.6393849156925584 / (51)) + (0.15843602541164342 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.30522277117250196 = (145.27692555418045 - 189.61875135924868) / 145.27692555418045 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadMultiSpanSequenceEmptyLoop(IsDataCompact: False, TestCase: DeepTree)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 9.098548589431402 > 8.575175198970475.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -44.77151810657247 (T) = (0 -9120.941547485036) / Math.Sqrt((876.6685266878268 / (51)) + (3482.6664512791035 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.11659445260186571 = (8168.535609532721 - 9120.941547485036) / 8168.535609532721 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadMultiSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: LotsOfStrings)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 1.828971114746436 > 1015.9487132766387.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -260.1662568641544 (T) = (0 -1811.912140315487) / Math.Sqrt((51.329299813596535 / (51)) + (76.74134885807187 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.8778099003477922 = (964.9071186491774 - 1811.912140315487) / 964.9071186491774 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact: True, TestCase: DeepTree)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 5.10940924482231 > 2.7175098783728733.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -245.08453390711117 (T) = (0 -5110.372668731637) / Math.Sqrt((805.6069608051453 / (51)) + (711.2189696393535 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.9635563233675087 = (2602.610685476708 - 5110.372668731637) / 2602.610685476708 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: BroadTree)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 11.350898046018992 > 6.3311814995071405.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -173.16340472775408 (T) = (0 -11326.315789004637) / Math.Sqrt((8076.696988291634 / (51)) + (6316.196674744313 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.8892973939851816 = (5994.988308914945 - 11326.315789004637) / 5994.988308914945 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: False, TestCase: Json4KB)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 10.757838061556926 > 6.806397633283606.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -234.0149410594361 (T) = (0 -10764.290018197513) / Math.Sqrt((7954.317579963884 / (51)) + (1566.6209817866825 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.688499791397945 = (6375.061503137958 - 10764.290018197513) / 6375.061503137958 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact: True, TestCase: Json40KB)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 88.35853869382022 > 51.12482166024261.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -345.0377058780199 (T) = (0 -88274.71238852765) / Math.Sqrt((185360.15517738505 / (51)) + (75251.11566606222 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.8062238437286364 = (48872.52080910403 - 88274.71238852765) / 48872.52080910403 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: False, TestCase: LotsOfStrings)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 3.0524969154032946 > 1.728092640544812.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -112.42090482278019 (T) = (0 -3096.050472924236) / Math.Sqrt((2209.1438835729623 / (51)) + (860.3111919185633 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.8050028986415364 = (1715.260665373089 - 3096.050472924236) / 1715.260665373089 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadMultiSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: DeepTree)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 4.840867815505603 > 2.8534078009678057.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -344.50557455593724 (T) = (0 -4872.8635967524115) / Math.Sqrt((528.7507354345806 / (51)) + (226.90892482967234 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.7856827270820524 = (2728.8518407270803 - 4872.8635967524115) / 2728.8518407270803 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact: False, TestCase: Json400B)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 1.1169116725611254 > 688.7441363721828.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -249.08746746922634 (T) = (0 -1112.8792160587486) / Math.Sqrt((89.82462002752314 / (51)) + (11.94083068519284 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.6771265381826258 = (663.5630590311278 - 1112.8792160587486) / 663.5630590311278 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: False, TestCase: Json40KB)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 103.40222042214914 > 73.25134774635963.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -172.167243950518 (T) = (0 -103075.41291917459) / Math.Sqrt((395645.06220186484 / (51)) + (242359.8393619162 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.48330088148867234 = (69490.56270749729 - 103075.41291917459) / 69490.56270749729 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: True, TestCase: HelloWorld)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 147.14497141283152 > 80.68711284483969.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -139.6764841163716 (T) = (0 -147.76735701432568) / Math.Sqrt((1.246880446008706 / (51)) + (1.8442571468656699 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.9131717626012429 = (77.23684820301439 - 147.76735701432568) / 77.23684820301439 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact: False, TestCase: LotsOfNumbers)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 3.842527470787209 > 2.481138954715828.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -104.11444277403318 (T) = (0 -3833.811445193406) / Math.Sqrt((3342.0278910013144 / (51)) + (999.4519172546353 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.5994532552497509 = (2396.95122855889 - 3833.811445193406) / 2396.95122855889 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: False, TestCase: DeepTree)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 9.117475251604434 > 8.128827410213566.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -88.7956981013865 (T) = (0 -9135.185405389042) / Math.Sqrt((2439.6520631264884 / (51)) + (1741.910158138185 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.18821964633570518 = (7688.128565758538 - 9135.185405389042) / 7688.128565758538 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: False, TestCase: LotsOfStrings)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 2.697276210721685 > 1.567938094913161.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -139.54469591586493 (T) = (0 -2713.3274597588775) / Math.Sqrt((750.2647907737985 / (51)) + (473.6419529480814 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.7926347174168645 = (1513.5975184440838 - 2713.3274597588775) / 1513.5975184440838 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact: True, TestCase: HelloWorld)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 123.1476587955445 > 74.4225737097673.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -125.73646063081642 (T) = (0 -123.5932178115821) / Math.Sqrt((2.0438327881514264 / (51)) + (1.101729734337457 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.7512063569750165 = (70.57604451886154 - 123.5932178115821) / 70.57604451886154 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact: True, TestCase: LotsOfStrings)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 2.0624875604630417 > 942.2485563508941.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -332.4361647822308 (T) = (0 -2067.1905083406873) / Math.Sqrt((15.167736290958729 / (51)) + (97.11109980524445 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -1.3100971150690857 = (894.8500454184871 - 2067.1905083406873) / 894.8500454184871 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact: True, TestCase: Json400B)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 1.0036190397006026 > 529.4285686659238.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -225.08344341436106 (T) = (0 -1001.7056173386377) / Math.Sqrt((11.269100634086703 / (51)) + (37.03798472212477 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.9797554234256032 = (505.97442769237125 - 1001.7056173386377) / 505.97442769237125 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: False, TestCase: Json400B)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 1.3377803713186533 > 811.5464088212133.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -270.4825763891139 (T) = (0 -1335.006989288417) / Math.Sqrt((115.11066793226043 / (51)) + (16.874300853797884 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.7342008888621085 = (769.8110396912426 - 1335.006989288417) / 769.8110396912426 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact: False, TestCase: HelloWorld)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 129.49361109409162 > 78.32144146282705.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -193.49547998477718 (T) = (0 -129.84737827245692) / Math.Sqrt((3.316979215771403 / (51)) + (0.09267180753762153 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.7021074347557504 = (76.286241174365 - 129.84737827245692) / 76.286241174365 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: False, TestCase: BroadTree)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 14.207256418588004 > 9.771326625888857.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -80.87185169024937 (T) = (0 -14125.944617233261) / Math.Sqrt((59923.72757729605 / (51)) + (19502.306864778086 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.5246502386572123 = (9265.039455655247 - 14125.944617233261) / 9265.039455655247 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: False, TestCase: HelloWorld)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 158.51574272669197 > 88.12176530347669.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -106.94927413860074 (T) = (0 -158.3921136581005) / Math.Sqrt((1.2304079698476245 / (51)) + (3.530202063703253 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.8540355748725864 = (85.4310002487334 - 158.3921136581005) / 85.4310002487334 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: Json400B)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 1.0130774847340511 > 547.7787512433652.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -238.0311235415409 (T) = (0 -1010.6011241816321) / Math.Sqrt((28.915695113423162 / (51)) + (28.919468954183024 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.9292382253902236 = (523.8342838543019 - 1010.6011241816321) / 523.8342838543019 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: False, TestCase: Json4KB)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 9.16548970552297 > 5.821852052754269.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -220.42689415513058 (T) = (0 -9196.316166922696) / Math.Sqrt((6133.516751063526 / (51)) + (1284.8889247075308 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.6714185535839717 = (5502.102478881377 - 9196.316166922696) / 5502.102478881377 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: LotsOfStrings)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 2.059363283410138 > 956.3079464620631.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -303.5560701885492 (T) = (0 -2066.914623883648) / Math.Sqrt((109.80844155661357 / (51)) + (98.81067188408237 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -1.2692635893298798 = (910.8305591304243 - 2066.914623883648) / 910.8305591304243 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadMultiSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: Json4KB)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 7.134473204541455 > 4.15907876707364.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -136.4132941131823 (T) = (0 -7198.093850988613) / Math.Sqrt((3557.8195485743922 / (51)) + (3854.5986568929316 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.8020872831638322 = (3994.3092203343717 - 7198.093850988613) / 3994.3092203343717 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact: False, TestCase: DeepTree)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 9.08390529619934 > 7.9518841642986455.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -73.48773359977586 (T) = (0 -9102.06966328075) / Math.Sqrt((2932.7645156400163 / (51)) + (2879.341943828945 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.1975388172383716 = (7600.646870279255 - 9102.06966328075) / 7600.646870279255 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: True, TestCase: Json400B)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 1.3720010093415898 > 634.1942886850959.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -33.447030442339376 (T) = (0 -1241.426126109246) / Math.Sqrt((60.10591680520409 / (51)) + (2879.1352328629077 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -1.0489956902885895 = (605.8705403789298 - 1241.426126109246) / 605.8705403789298 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: Json40KB)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 88.10957424913569 > 51.49939698222318.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -252.25599447840827 (T) = (0 -88238.47479649528) / Math.Sqrt((224574.20780292648 / (51)) + (158199.6381976844 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.800263781877958 = (49014.19207825683 - 88238.47479649528) / 49014.19207825683 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

[performanceautofiler]

Run Information

Architecture	x64
OS	alpine 3.15
Baseline	6b8d056a665fa20d321ea1d49a93a37a83960663
Compare	b3c3921a888fcf162d6e270178a0e3ea9a40a022
Diff	Diff

Regressions in System.Collections.Sort<String>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Array_Comparison - Duration of single invocation	250.12 μs	341.85 μs	1.37	0.33	False
LinqQuery - Duration of single invocation	191.95 μs	281.30 μs	1.47	0.02	False
List - Duration of single invocation	236.25 μs	328.78 μs	1.39	0.29	False
Array_ComparerClass - Duration of single invocation	252.81 μs	333.01 μs	1.32	0.31	False
Array - Duration of single invocation	231.42 μs	332.61 μs	1.44	0.31	False
LinqOrderByExtension - Duration of single invocation	193.97 μs	283.15 μs	1.46	0.01	False
Array_ComparerStruct - Duration of single invocation	265.74 μs	339.93 μs	1.28	0.32	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.Sort<String>*'

Payloads

Baseline
Compare

Histogram

System.Collections.Sort<String>.Array_Comparison(Size: 512)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 341.85051624 > 262.82748295615386.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -30.50852282050302 (T) = (0 -338656.4701385714) / Math.Sqrt((108656938.32586212 / (51)) + (50018011.936492205 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.35286687619805474 = (250325.05126468433 - 338656.4701385714) / 250325.05126468433 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.Sort<String>.LinqQuery(Size: 512)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 281.30117415714284 > 201.32207454.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -52.600308391022665 (T) = (0 -283417.2732820879) / Math.Sqrt((7577714.87103624 / (51)) + (22220577.436500788 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.46514951297322454 = (193439.147863449 - 283417.2732820879) / 193439.147863449 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.Sort<String>.List(Size: 512)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 328.7780062666667 > 250.3554400603847.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -31.226468237772075 (T) = (0 -333196.7861080128) / Math.Sqrt((68932636.6786332 / (51)) + (62420203.83627291 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.3957724998723507 = (238718.5491464297 - 333196.7861080128) / 238718.5491464297 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.Sort<String>.Array_ComparerClass(Size: 512)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 333.01065430769233 > 265.14193016649995.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -35.58685204422708 (T) = (0 -339997.39617754123) / Math.Sqrt((76978389.36095166 / (51)) + (39058391.87105524 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.35983981869902304 = (250027.53375969038 - 339997.39617754123) / 250027.53375969038 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.Sort<String>.Array(Size: 512)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 332.6131734857142 > 244.67084507250001.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -23.15917575303756 (T) = (0 -329900.11955008237) / Math.Sqrt((230814099.5298851 / (51)) + (88047765.66560552 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.38248093903371105 = (238629.0546477024 - 329900.11955008237) / 238629.0546477024 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.Sort<String>.LinqOrderByExtension(Size: 512)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 283.14945887692306 > 202.55741705661544.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -72.26394268574076 (T) = (0 -283287.2266585439) / Math.Sqrt((8372154.53977509 / (51)) + (11111236.46084391 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.46605891952981154 = (193230.45130368884 - 283287.2266585439) / 193230.45130368884 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.Sort<String>.Array_ComparerStruct(Size: 512)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 339.93404369333336 > 272.3331002075.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -27.023254331194636 (T) = (0 -341464.0282704487) / Math.Sqrt((77823644.088233 / (51)) + (70197028.23794831 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.34047191919074854 = (254734.18978936365 - 341464.0282704487) / 254734.18978936365 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

[performanceautofiler]

Run Information

Architecture	x64
OS	alpine 3.15
Baseline	6b8d056a665fa20d321ea1d49a93a37a83960663
Compare	b3c3921a888fcf162d6e270178a0e3ea9a40a022
Diff	Diff

Regressions in System.Tests.Perf_DateTimeOffset

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ToString - Duration of single invocation	274.69 ns	416.77 ns	1.52	0.03	False
ToString - Duration of single invocation	271.94 ns	417.69 ns	1.54	0.02	False
ToString - Duration of single invocation	30.45 ns	38.35 ns	1.26	0.01	False
TryParse - Duration of single invocation	332.15 ns	524.47 ns	1.58	0.01	False
ToString - Duration of single invocation	157.17 ns	227.03 ns	1.44	0.01	False
ToString - Duration of single invocation	163.51 ns	220.29 ns	1.35	0.03	False
ToString - Duration of single invocation	42.70 ns	65.62 ns	1.54	0.01	False
Parse - Duration of single invocation	332.47 ns	518.73 ns	1.56	0.02	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Tests.Perf_DateTimeOffset*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_DateTimeOffset.ToString(format: null)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 416.773196211732 > 288.46238906478874.
IsChangePoint: Marked as a change because one of 6/1/2022 6:40:18 PM, 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -167.05930437508255 (T) = (0 -417.91135365881394) / Math.Sqrt((6.488576288662357 / (51)) + (4.91002296463993 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.5246319143515359 = (274.10639231998636 - 417.91135365881394) / 274.10639231998636 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Tests.Perf_DateTimeOffset.ToString(value: 12/30/2017 3:45:22 AM -08:00)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 417.6887300170069 > 285.47663809355316.
IsChangePoint: Marked as a change because one of 6/1/2022 6:40:18 PM, 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -73.63521734391543 (T) = (0 -419.7604768150811) / Math.Sqrt((4.231766547689878 / (51)) + (30.090670833737875 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.524270194244977 = (275.3845600339924 - 419.7604768150811) / 275.3845600339924 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Tests.Perf_DateTimeOffset.ToString(format: "r")

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 38.34769732588417 > 31.974457672985576.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -12.294021362283612 (T) = (0 -39.1411639370165) / Math.Sqrt((0.23840208706013263 / (51)) + (3.7225611434403874 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.2744228370715964 = (30.71285510463398 - 39.1411639370165) / 30.71285510463398 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Tests.Perf_DateTimeOffset.TryParse(value: "12/30/2017 3:45:22 AM -08:00")

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 524.4653232130564 > 348.0889624569954.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -265.1559194288665 (T) = (0 -525.7025488340919) / Math.Sqrt((10.266821299836252 / (51)) + (2.69577802823853 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.5874403623286901 = (331.16365270120406 - 525.7025488340919) / 331.16365270120406 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Tests.Perf_DateTimeOffset.ToString(format: "G")

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 227.03317384592737 > 164.723501844488.
IsChangePoint: Marked as a change because one of 6/1/2022 9:42:28 AM, 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -95.18479643217303 (T) = (0 -226.7141822437352) / Math.Sqrt((3.294186306592227 / (51)) + (3.5189460534374923 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.424899975593303 = (159.10884000775945 - 226.7141822437352) / 159.10884000775945 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Tests.Perf_DateTimeOffset.ToString(format: "s")

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 220.28943004005149 > 171.5497652295284.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -167.86319722629707 (T) = (0 -220.72379705849036) / Math.Sqrt((3.4267227077743625 / (51)) + (0.3366734758058038 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.33582803392853305 = (165.23369135274422 - 220.72379705849036) / 165.23369135274422 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Tests.Perf_DateTimeOffset.ToString(format: "o")

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 65.61690379179973 > 44.87881462368406.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -100.33054439481326 (T) = (0 -66.05693942236171) / Math.Sqrt((0.12970069256131248 / (51)) + (0.4143904604172174 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.548142149372053 = (42.668523332405414 - 66.05693942236171) / 42.668523332405414 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Tests.Perf_DateTimeOffset.Parse(value: "12/30/2017 3:45:22 AM -08:00")

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 518.7346904666399 > 345.7360913725764.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -95.50360353060697 (T) = (0 -523.9047057954145) / Math.Sqrt((23.672701100894443 / (51)) + (28.90695364889527 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.5825304669454902 = (331.05505185415194 - 523.9047057954145) / 331.05505185415194 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

[performanceautofiler]

Run Information

Architecture	x64
OS	alpine 3.15
Baseline	6b8d056a665fa20d321ea1d49a93a37a83960663
Compare	b3c3921a888fcf162d6e270178a0e3ea9a40a022
Diff	Diff

Regressions in System.Text.Json.Document.Tests.Perf_DocumentParse

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Parse - Duration of single invocation	891.91 ns	2.57 μs	2.88	0.01	False
Parse - Duration of single invocation	261.53 ns	656.48 ns	2.51	0.10	False
Parse - Duration of single invocation	263.74 ns	630.28 ns	2.39	0.09	False
Parse - Duration of single invocation	1.96 μs	7.83 μs	4.00	0.00	False
Parse - Duration of single invocation	1.25 μs	4.22 μs	3.37	0.01	False
Parse - Duration of single invocation	2.17 μs	8.01 μs	3.69	0.01	False
Parse - Duration of single invocation	844.45 ns	2.04 μs	2.41	0.01	False
Parse - Duration of single invocation	1.05 μs	2.72 μs	2.60	0.00	False
Parse - Duration of single invocation	700.22 ns	1.96 μs	2.79	0.01	False
Parse - Duration of single invocation	4.84 ms	24.09 ms	4.98	0.00	False
Parse - Duration of single invocation	898.45 μs	2.39 ms	2.66	0.01	False
Parse - Duration of single invocation	221.26 ns	431.57 ns	1.95	0.15	False
Parse - Duration of single invocation	4.98 ms	24.38 ms	4.90	0.01	False
Parse - Duration of single invocation	1.42 μs	4.32 μs	3.05	0.00	False
Parse - Duration of single invocation	204.39 ns	425.90 ns	2.08	0.17	False
Parse - Duration of single invocation	740.74 μs	2.27 ms	3.06	0.01	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Document.Tests.Perf_DocumentParse*'

Payloads

Baseline
Compare

Histogram

System.Text.Json.Document.Tests.Perf_DocumentParse.Parse(IsDataIndented: False, TestRandomAccess: False, TestCase: Json400B)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 2.569378133130322 > 930.1993197471294.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -362.9785047835412 (T) = (0 -2572.0939988212767) / Math.Sqrt((120.39778123630508 / (51)) + (153.60879404962188 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -1.9010329311262926 = (886.61316844228 - 2572.0939988212767) / 886.61316844228 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_DocumentParse.Parse(IsDataIndented: True, TestRandomAccess: True, TestCase: HelloWorld)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 656.4755441523217 > 277.60831999663105.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -106.75749856726652 (T) = (0 -641.845065190542) / Math.Sqrt((43.80745862823654 / (51)) + (89.53565782019602 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -1.3663159766821864 = (271.242332602797 - 641.845065190542) / 271.242332602797 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_DocumentParse.Parse(IsDataIndented: False, TestRandomAccess: True, TestCase: HelloWorld)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 630.2754180051729 > 274.6855022223023.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -154.8400829828903 (T) = (0 -626.1074061912238) / Math.Sqrt((31.701028327377387 / (51)) + (39.08594088446109 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -1.3830532884037423 = (262.7332797121855 - 626.1074061912238) / 262.7332797121855 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_DocumentParse.Parse(IsDataIndented: False, TestRandomAccess: True, TestCase: Json400B)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 7.830854320685655 > 2.0873182918287756.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -337.99984077533014 (T) = (0 -7882.484085530347) / Math.Sqrt((761.0486529426926 / (51)) + (2319.4514183316564 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -2.979074846957274 = (1980.9841203560018 - 7882.484085530347) / 1980.9841203560018 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_DocumentParse.Parse(IsDataIndented: False, TestRandomAccess: True, TestCase: BasicJson)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 4.217654433814425 > 1.3100538984404462.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -263.0001269083895 (T) = (0 -4198.923066675283) / Math.Sqrt((350.39842622117897 / (51)) + (955.6443083533422 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -2.3782288709319848 = (1242.9362328896577 - 4198.923066675283) / 1242.9362328896577 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_DocumentParse.Parse(IsDataIndented: True, TestRandomAccess: True, TestCase: Json400B)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 8.01282840459079 > 2.272585659373619.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -955.9831731673626 (T) = (0 -8010.950843382147) / Math.Sqrt((840.4295310606801 / (51)) + (169.16581035316963 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -2.7311516852230753 = (2147.045073270237 - 8010.950843382147) / 2147.045073270237 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_DocumentParse.Parse(IsDataIndented: True, TestRandomAccess: False, TestCase: BasicJson)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 2.0353886992911288 > 892.638653835483.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -215.88509607620858 (T) = (0 -2056.9260808119398) / Math.Sqrt((93.51102189213928 / (51)) + (234.01737427725632 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -1.4106448116838473 = (853.2680015083462 - 2056.9260808119398) / 853.2680015083462 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_DocumentParse.Parse(IsDataIndented: True, TestRandomAccess: False, TestCase: Json400B)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 2.716485223657063 > 1.0796162332529518.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -206.6471277934419 (T) = (0 -2710.307492331482) / Math.Sqrt((249.89799799569823 / (51)) + (481.08322191797737 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -1.5965477038957605 = (1043.8119385463401 - 2710.307492331482) / 1043.8119385463401 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_DocumentParse.Parse(IsDataIndented: False, TestRandomAccess: False, TestCase: BasicJson)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 1.9558087873599008 > 734.8324883848261.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -121.15549444719422 (T) = (0 -1935.6790041666259) / Math.Sqrt((87.61464583362589 / (51)) + (830.4664116820228 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -1.8008768130654007 = (691.0975145844187 - 1935.6790041666259) / 691.0975145844187 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_DocumentParse.Parse(IsDataIndented: False, TestRandomAccess: True, TestCase: Json400KB)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 24.092470864583333 > 5.0509433863447395.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -520.3237426583777 (T) = (0 -24103870.78603766) / Math.Sqrt((1407537519.0136178 / (51)) + (10739419813.048872 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -3.975330128186745 = (4844677.672639644 - 24103870.78603766) / 4844677.672639644 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_DocumentParse.Parse(IsDataIndented: True, TestRandomAccess: False, TestCase: Json400KB)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 2.3895425422222227 > 945.1533350294598.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -390.2844629099381 (T) = (0 -2383247.4553400693) / Math.Sqrt((120633894.72896424 / (51)) + (96687964.09744309 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -1.64928043249733 = (899582.9305595685 - 2383247.4553400693) / 899582.9305595685 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_DocumentParse.Parse(IsDataIndented: True, TestRandomAccess: False, TestCase: HelloWorld)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 431.56845656304813 > 205.8986043412389.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -158.02563102574825 (T) = (0 -425.82196026731367) / Math.Sqrt((38.69458558825399 / (51)) + (10.772833838803345 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -1.166690025276033 = (196.5310936496625 - 425.82196026731367) / 196.5310936496625 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_DocumentParse.Parse(IsDataIndented: True, TestRandomAccess: True, TestCase: Json400KB)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 24.382396641666666 > 5.233682830572999.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -740.355537725052 (T) = (0 -24320858.41388794) / Math.Sqrt((2397922631.479356 / (51)) + (5064293375.179971 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -3.8506184463472377 = (5013970.627230592 - 24320858.41388794) / 5013970.627230592 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_DocumentParse.Parse(IsDataIndented: True, TestRandomAccess: True, TestCase: BasicJson)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 4.3209342707757505 > 1.4984635775092414.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -306.77705299993204 (T) = (0 -4299.382885317104) / Math.Sqrt((213.30636656584144 / (51)) + (673.6443313652882 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -2.0379577786597842 = (1415.2214081177278 - 4299.382885317104) / 1415.2214081177278 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_DocumentParse.Parse(IsDataIndented: False, TestRandomAccess: False, TestCase: HelloWorld)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 425.9021587231538 > 197.22633967514147.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -124.53352485083147 (T) = (0 -420.4747268389597) / Math.Sqrt((34.41785491475539 / (51)) + (22.62326722868387 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -1.2437079856466788 = (187.40171605609854 - 420.4747268389597) / 187.40171605609854 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_DocumentParse.Parse(IsDataIndented: False, TestRandomAccess: False, TestCase: Json400KB)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 2.2675462720779223 > 769.9504988257318.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -540.2622185301824 (T) = (0 -2258726.6051271404) / Math.Sqrt((24444729.1063735 / (51)) + (59787545.103624746 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -2.0724558693942283 = (735153.4736843838 - 2258726.6051271404) / 735153.4736843838 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

[performanceautofiler]

Run Information

Architecture	x64
OS	alpine 3.15
Baseline	6b8d056a665fa20d321ea1d49a93a37a83960663
Compare	b3c3921a888fcf162d6e270178a0e3ea9a40a022
Diff	Diff

Regressions in MicroBenchmarks.Serializers.Xml_FromStream<ClassImplementingIXmlSerialiable>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
XmlSerializer_ - Duration of single invocation	2.06 μs	3.47 μs	1.68	0.06	False
DataContractSerializer_ - Duration of single invocation	1.46 μs	2.03 μs	1.39	0.02	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'MicroBenchmarks.Serializers.Xml_FromStream<ClassImplementingIXmlSerialiable>*'

Payloads

Baseline
Compare

Histogram

MicroBenchmarks.Serializers.Xml_FromStream<ClassImplementingIXmlSerialiable>.XmlSerializer_

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 3.4713294894107696 > 2.1651717890075393.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -149.9581629556631 (T) = (0 -3480.213764653745) / Math.Sqrt((3240.7103025938877 / (51)) + (167.28215478680312 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.6555744323395553 = (2102.1185738751246 - 3480.213764653745) / 2102.1185738751246 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### MicroBenchmarks.Serializers.Xml_FromStream<ClassImplementingIXmlSerialiable>.DataContractSerializer_

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 2.028077286391073 > 1.5376757242771624.
IsChangePoint: Marked as a change because one of 5/20/2022 10:46:48 AM, 5/27/2022 11:47:05 PM, 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -52.835681533650536 (T) = (0 -2029.7202360131812) / Math.Sqrt((357.5161840043199 / (51)) + (815.8468888446689 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.3731747195237463 = (1478.1223446329848 - 2029.7202360131812) / 1478.1223446329848 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

### Run Information

Architecture	x64
OS	alpine 3.15
Baseline	6b8d056a665fa20d321ea1d49a93a37a83960663
Compare	b3c3921a888fcf162d6e270178a0e3ea9a40a022
Diff	Diff

Regressions in MicroBenchmarks.Serializers.Xml_FromStream<LoginViewModel>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
DataContractSerializer_ - Duration of single invocation	2.74 μs	4.01 μs	1.46	0.05	False
XmlSerializer_ - Duration of single invocation	3.50 μs	6.37 μs	1.82	0.08	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'MicroBenchmarks.Serializers.Xml_FromStream<LoginViewModel>*'

Payloads

Baseline
Compare

Histogram

MicroBenchmarks.Serializers.Xml_FromStream<LoginViewModel>.DataContractSerializer_

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 4.006907954785772 > 2.9135337748398817.
IsChangePoint: Marked as a change because one of 5/20/2022 10:46:48 AM, 5/27/2022 11:47:05 PM, 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -57.85643844399704 (T) = (0 -3927.557606546347) / Math.Sqrt((1318.9212089062455 / (51)) + (2875.228220171183 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.40674752174097184 = (2791.9420833140366 - 3927.557606546347) / 2791.9420833140366 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### MicroBenchmarks.Serializers.Xml_FromStream<LoginViewModel>.XmlSerializer_

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 6.368158573402153 > 3.8381686987216246.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -104.9869863102062 (T) = (0 -6285.453338928307) / Math.Sqrt((5651.371630818715 / (51)) + (4188.346381785921 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.7261992638300919 = (3641.20960460969 - 6285.453338928307) / 3641.20960460969 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Run Information

Architecture	x64
OS	alpine 3.15
Baseline	6b8d056a665fa20d321ea1d49a93a37a83960663
Compare	b3c3921a888fcf162d6e270178a0e3ea9a40a022
Diff	Diff

Regressions in System.Linq.Tests.Perf_Enumerable

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
OrderByDescending - Duration of single invocation	4.40 μs	4.71 μs	1.07	0.01	False
SequenceEqual - Duration of single invocation	13.80 ns	30.53 ns	2.21	0.49	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Linq.Tests.Perf_Enumerable*'

Payloads

Baseline
Compare

Histogram

System.Linq.Tests.Perf_Enumerable.OrderByDescending(input: IEnumerable)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 4.710853660338232 > 4.634021252433198.
IsChangePoint: Marked as a change because one of 5/9/2022 11:56:12 AM, 5/31/2022 6:06:22 PM, 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -30.282291384630124 (T) = (0 -4689.603505273029) / Math.Sqrt((1432.6552309154422 / (51)) + (444.30009202728746 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.0627573556516908 = (4412.675650122722 - 4689.603505273029) / 4412.675650122722 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Linq.Tests.Perf_Enumerable.SequenceEqual(input1: Array, input2: Array)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 30.5305287244099 > 14.500486485187873.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -13.872047742208357 (T) = (0 -29.632627266955843) / Math.Sqrt((5.990446010011633 / (51)) + (8.074371711730565 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.9877505268027064 = (14.907618872384292 - 29.632627266955843) / 14.907618872384292 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Run Information

Architecture	x64
OS	alpine 3.15
Baseline	6b8d056a665fa20d321ea1d49a93a37a83960663
Compare	b3c3921a888fcf162d6e270178a0e3ea9a40a022
Diff	Diff

Regressions in System.Text.Json.Serialization.Tests.ReadJson<Nullable<DateTimeOffset>>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
DeserializeFromStream - Duration of single invocation	361.85 ns	508.09 ns	1.40	0.03	False
DeserializeFromString - Duration of single invocation	184.61 ns	289.32 ns	1.57	0.12	False
DeserializeFromUtf8Bytes - Duration of single invocation	124.37 ns	229.18 ns	1.84	0.05	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Serialization.Tests.ReadJson<Nullable<DateTimeOffset>>*'

Payloads

Baseline
Compare

Histogram

System.Text.Json.Serialization.Tests.ReadJson<Nullable<DateTimeOffset>>.DeserializeFromStream

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 508.08985353751814 > 384.59751739528133.
IsChangePoint: Marked as a change because one of 6/10/2022 4:04:28 PM, 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -68.55859836108509 (T) = (0 -500.5525287465457) / Math.Sqrt((31.023083563615636 / (51)) + (27.365224839433942 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.379160344402611 = (362.94005318385376 - 500.5525287465457) / 362.94005318385376 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Serialization.Tests.ReadJson<Nullable<DateTimeOffset>>.DeserializeFromString

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 289.32342984097284 > 181.4892251586017.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -85.05098215633832 (T) = (0 -287.7685543705282) / Math.Sqrt((25.522678029355838 / (51)) + (11.297720382802266 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.6913240832082033 = (170.14394652541802 - 287.7685543705282) / 170.14394652541802 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Serialization.Tests.ReadJson<Nullable<DateTimeOffset>>.DeserializeFromUtf8Bytes

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 229.1806500252394 > 130.6509579999868.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -123.75649662752615 (T) = (0 -224.00518134146054) / Math.Sqrt((1.1828096045811036 / (51)) + (5.009900897334829 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.802521097508212 = (124.27326462426608 - 224.00518134146054) / 124.27326462426608 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Run Information

Architecture	x64
OS	alpine 3.15
Baseline	6b8d056a665fa20d321ea1d49a93a37a83960663
Compare	b3c3921a888fcf162d6e270178a0e3ea9a40a022
Diff	Diff

Regressions in System.Collections.CtorFromCollection<String>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ImmutableSortedSet - Duration of single invocation	282.10 μs	384.05 μs	1.36	0.22	False
SortedList - Duration of single invocation	295.75 μs	394.49 μs	1.33	0.23	False
SortedDictionary - Duration of single invocation	254.13 μs	365.07 μs	1.44	0.19	False
ImmutableSortedDictionary - Duration of single invocation	293.25 μs	354.79 μs	1.21	0.20	False
SortedSet - Duration of single invocation	263.43 μs	367.19 μs	1.39	0.21	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.CtorFromCollection<String>*'

Payloads

Baseline
Compare

Histogram

System.Collections.CtorFromCollection<String>.ImmutableSortedSet(Size: 512)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 384.04773437500006 > 295.25311502643063.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -23.676172750451606 (T) = (0 -380189.90022503166) / Math.Sqrt((80856885.18109767 / (51)) + (126324798.73445995 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.35060111649704123 = (281496.80581569736 - 380189.90022503166) / 281496.80581569736 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.CtorFromCollection<String>.SortedList(Size: 512)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 394.49060770089284 > 310.87212986937595.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -16.496669538658004 (T) = (0 -403924.1467731362) / Math.Sqrt((109983872.62786247 / (51)) + (339141766.3300598 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.3747486098580575 = (293816.73411173065 - 403924.1467731362) / 293816.73411173065 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.CtorFromCollection<String>.SortedDictionary(Size: 512)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 365.071589950608 > 268.49159389761536.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -12.57824625251729 (T) = (0 -344861.35995197203) / Math.Sqrt((39713404.61485775 / (51)) + (343695921.8927347 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.31790991121133083 = (261672.9391123552 - 344861.35995197203) / 261672.9391123552 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.CtorFromCollection<String>.ImmutableSortedDictionary(Size: 512)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 354.79035811965815 > 305.2916702412093.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -26.853721934707778 (T) = (0 -353377.8010856675) / Math.Sqrt((121190865.1972073 / (51)) + (34805702.76833856 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.245477691103682 = (283728.7280292602 - 353377.8010856675) / 283728.7280292602 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.CtorFromCollection<String>.SortedSet(Size: 512)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 367.1861298795681 > 286.9222968035063.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -37.14355296565798 (T) = (0 -369513.5326563782) / Math.Sqrt((63979031.47178997 / (51)) + (44576179.12975084 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.3561804102192724 = (272466.3546766863 - 369513.5326563782) / 272466.3546766863 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

[performanceautofiler]

Run Information

Architecture	x64
OS	alpine 3.15
Baseline	6b8d056a665fa20d321ea1d49a93a37a83960663
Compare	b3c3921a888fcf162d6e270178a0e3ea9a40a022
Diff	Diff

Regressions in System.Text.Json.Document.Tests.Perf_EnumerateObject

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Parse - Duration of single invocation	18.18 μs	44.15 μs	2.43	0.01	False
EnumerateProperties - Duration of single invocation	999.91 ns	5.12 μs	5.12	0.01	False
EnumerateProperties - Duration of single invocation	999.36 ns	5.08 μs	5.09	0.02	False
Parse - Duration of single invocation	15.58 μs	43.02 μs	2.76	0.01	False
PropertyIndexer - Duration of single invocation	1.70 μs	17.13 μs	10.08	0.01	False
PropertyIndexer - Duration of single invocation	2.73 μs	18.30 μs	6.71	0.01	False
EnumerateProperties - Duration of single invocation	1.66 μs	5.70 μs	3.42	0.02	False
PropertyIndexer - Duration of single invocation	1.70 μs	17.15 μs	10.10	0.01	False
Parse - Duration of single invocation	670.91 μs	2.18 ms	3.25	0.06	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Document.Tests.Perf_EnumerateObject*'

Payloads

Baseline
Compare

Histogram

System.Text.Json.Document.Tests.Perf_EnumerateObject.Parse(TestCase: NumericProperties)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 44.14968201212336 > 19.102628620897885.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -392.04599374269964 (T) = (0 -44031.02150580291) / Math.Sqrt((26313.315326595544 / (51)) + (30054.733432262285 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -1.3924288691386104 = (18404.3179188254 - 44031.02150580291) / 18404.3179188254 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_EnumerateObject.EnumerateProperties(TestCase: NumericProperties)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 5.12051430022411 > 1.0501194124572193.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -20.2058947653418 (T) = (0 -5280.545540455957) / Math.Sqrt((11312.898075341973 / (51)) + (365334.79233823484 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -4.546143178710575 = (952.1112907300806 - 5280.545540455957) / 952.1112907300806 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_EnumerateObject.EnumerateProperties(TestCase: StringProperties)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 5.08211339133487 > 1049.7386972750614.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -19.609678137119058 (T) = (0 -5294.380333669924) / Math.Sqrt((11555.421116652115 / (51)) + (390280.75620808126 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -4.55504471176169 = (953.076097202267 - 5294.380333669924) / 953.076097202267 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_EnumerateObject.Parse(TestCase: StringProperties)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 43.0163881489071 > 16.36743436642651.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -96.00827161809514 (T) = (0 -42686.98235278874) / Math.Sqrt((27946.550526016075 / (51)) + (628739.9376504219 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -1.7227284045093083 = (15678.01705160593 - 42686.98235278874) / 15678.01705160593 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_EnumerateObject.PropertyIndexer(TestCase: NumericProperties)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 17.12569018443905 > 1.7834138144219691.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -755.3758368720548 (T) = (0 -17151.720056370403) / Math.Sqrt((155.77664259683092 / (51)) + (3332.3321366710434 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -9.218054834809312 = (1678.5699757590396 - 17151.720056370403) / 1678.5699757590396 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_EnumerateObject.PropertyIndexer(TestCase: ObjectProperties)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 18.30034692622951 > 2.828889950808566.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -1234.7413664358228 (T) = (0 -18295.917947626513) / Math.Sqrt((123.59578193023901 / (51)) + (1256.5836487727615 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -5.770908234203291 = (2702.136451237746 - 18295.917947626513) / 2702.136451237746 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_EnumerateObject.EnumerateProperties(TestCase: ObjectProperties)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 5.695688048332539 > 1.742760360800073.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -15.448280422316207 (T) = (0 -6031.606781564987) / Math.Sqrt((8996.896757158253 / (51)) + (651426.8345599539 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -2.726511785166514 = (1618.566404532509 - 6031.606781564987) / 1618.566404532509 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_EnumerateObject.PropertyIndexer(TestCase: StringProperties)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 17.14682670957743 > 1.7829175380103301.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -4270.26805167576 (T) = (0 -17130.53225512706) / Math.Sqrt((152.2880278454971 / (51)) + (80.86403821434587 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -9.207250763040042 = (1678.2709323803313 - 17130.53225512706) / 1678.2709323803313 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Document.Tests.Perf_EnumerateObject.Parse(TestCase: ObjectProperties)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 2.178889611778846 > 708.6311616927082.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -525.8993998652886 (T) = (0 -2176327.6187460655) / Math.Sqrt((271207117.647105 / (51)) + (21781207.65048507 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -2.176634240845728 = (685104.8794861108 - 2176327.6187460655) / 685104.8794861108 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

### Run Information

Architecture	x64
OS	alpine 3.15
Baseline	6b8d056a665fa20d321ea1d49a93a37a83960663
Compare	b3c3921a888fcf162d6e270178a0e3ea9a40a022
Diff	Diff

Regressions in System.Text.Json.Tests.Perf_DateTimes

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
WriteDateTimes - Duration of single invocation	3.81 ms	7.99 ms	2.10	0.02	False
WriteDateTimes - Duration of single invocation	3.88 ms	7.87 ms	2.03	0.00	False
WriteDateTimes - Duration of single invocation	4.12 ms	8.93 ms	2.17	0.00	False
WriteDateTimes - Duration of single invocation	4.21 ms	9.03 ms	2.15	0.01	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Tests.Perf_DateTimes*'

Payloads

Baseline
Compare

Histogram

System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted: False, SkipValidation: True)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 7.991984497596154 > 3.995023759831731.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -41.255148544251576 (T) = (0 -8055369.966264594) / Math.Sqrt((134607307.76726678 / (51)) + (84289045405.66776 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -1.108637439670685 = (3820177.814694704 - 8055369.966264594) / 3820177.814694704 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted: False, SkipValidation: False)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 7.870377244791667 > 4.075930997956731.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -495.7531030472614 (T) = (0 -7913992.153937013) / Math.Sqrt((66389180.828926586 / (51)) + (522130257.2735473 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -1.0453923031704406 = (3869180.5682802293 - 7913992.153937013) / 3869180.5682802293 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted: True, SkipValidation: True)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 8.929358304232803 > 4.3266550327083335.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -167.18318530660974 (T) = (0 -8985832.190503513) / Math.Sqrt((302417446.2355712 / (51)) + (6654284576.487054 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -1.1668286914070953 = (4146997.049715219 - 8985832.190503513) / 4146997.049715219 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted: True, SkipValidation: False)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 9.032150644444444 > 4.416522955932203.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -38.669887938005964 (T) = (0 -9214707.354828043) / Math.Sqrt((235125197.4220977 / (51)) + (134242260513.20676 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -1.1914884642669246 = (4204771.09739679 - 9214707.354828043) / 4204771.09739679 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Run Information

Architecture	x64
OS	alpine 3.15
Baseline	6b8d056a665fa20d321ea1d49a93a37a83960663
Compare	b3c3921a888fcf162d6e270178a0e3ea9a40a022
Diff	Diff

Regressions in System.Collections.CtorFromCollection<Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
SortedList - Duration of single invocation	6.54 μs	9.00 μs	1.38	0.24	False
ImmutableSortedSet - Duration of single invocation	11.98 μs	14.01 μs	1.17	0.07	False
SortedSet - Duration of single invocation	7.77 μs	10.23 μs	1.32	0.06	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.CtorFromCollection<Int32>*'

Payloads

Baseline
Compare

Histogram

System.Collections.CtorFromCollection<Int32>.SortedList(Size: 512)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 9.002165334737308 > 6.7295920036791665.
IsChangePoint: Marked as a change because one of 6/1/2022 2:58:46 AM, 6/6/2022 5:03:41 AM, 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -41.96765012265182 (T) = (0 -9077.724935803584) / Math.Sqrt((41473.61773269617 / (51)) + (28347.39530592808 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.43915913490985536 = (6307.658906929834 - 9077.724935803584) / 6307.658906929834 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.CtorFromCollection<Int32>.ImmutableSortedSet(Size: 512)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 14.008676970976442 > 12.587389424360788.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -55.055638314876255 (T) = (0 -14058.879167745123) / Math.Sqrt((39597.27022117647 / (51)) + (4038.195470908269 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.16302193053960085 = (12088.23221521051 - 14058.879167745123) / 12088.23221521051 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.CtorFromCollection<Int32>.SortedSet(Size: 512)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 10.228260152196365 > 8.162644891336793.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -33.82976970396507 (T) = (0 -10334.340300853528) / Math.Sqrt((16740.34509933927 / (51)) + (41072.05969839165 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.3191513413691862 = (7834.082395828223 - 10334.340300853528) / 7834.082395828223 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Run Information

Architecture	x64
OS	alpine 3.15
Baseline	6b8d056a665fa20d321ea1d49a93a37a83960663
Compare	b3c3921a888fcf162d6e270178a0e3ea9a40a022
Diff	Diff

Regressions in System.Text.Json.Serialization.Tests.WriteJson<HashSet<String>>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
SerializeToString - Duration of single invocation	4.68 μs	8.90 μs	1.90	0.03	False
SerializeObjectProperty - Duration of single invocation	4.92 μs	9.19 μs	1.87	0.01	False
SerializeToStream - Duration of single invocation	4.37 μs	8.50 μs	1.94	0.04	False
SerializeToUtf8Bytes - Duration of single invocation	4.45 μs	8.57 μs	1.93	0.05	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Serialization.Tests.WriteJson<HashSet<String>>*'

Payloads

Baseline
Compare

Histogram

System.Text.Json.Serialization.Tests.WriteJson<HashSet<String>>.SerializeToString

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 8.904648281895906 > 4.930352296730653.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -59.65906834274143 (T) = (0 -8870.2468869942) / Math.Sqrt((3284.6850528070077 / (51)) + (37521.57999013444 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.8648537447682614 = (4756.537563269592 - 8870.2468869942) / 4756.537563269592 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Serialization.Tests.WriteJson<HashSet<String>>.SerializeObjectProperty

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 9.188151803840736 > 5.235927459591283.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -54.65066713795207 (T) = (0 -9175.835394956279) / Math.Sqrt((4232.092844141869 / (51)) + (48234.7864029437 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.8714087798014372 = (4903.170004326829 - 9175.835394956279) / 4903.170004326829 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Serialization.Tests.WriteJson<HashSet<String>>.SerializeToStream

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 8.496570273680122 > 4.658652732585613.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -98.86890469275801 (T) = (0 -8498.124699973881) / Math.Sqrt((11109.874912238207 / (51)) + (11597.729812439167 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.9050927255031881 = (4460.740722071305 - 8498.124699973881) / 4460.740722071305 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Json.Serialization.Tests.WriteJson<HashSet<String>>.SerializeToUtf8Bytes

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 8.574013966474041 > 4.670139518754039.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -57.642081102438624 (T) = (0 -8628.13467083616) / Math.Sqrt((2212.8789587307438 / (51)) + (41873.80097580933 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.9430113646830858 = (4440.599179018929 - 8628.13467083616) / 4440.599179018929 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

[performanceautofiler]

Run Information

Architecture	x64
OS	alpine 3.15
Baseline	6b8d056a665fa20d321ea1d49a93a37a83960663
Compare	b3c3921a888fcf162d6e270178a0e3ea9a40a022
Diff	Diff

Regressions in System.Memory.MemoryMarshal<Byte>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
AsBytes - Duration of single invocation	0.23 ns	10.97 ns	47.61	0.08	False
GetReference - Duration of single invocation	0.01 ns	5.57 ns	427.38	0.51	False
CastToByte - Duration of single invocation	0.02 ns	9.68 ns	441.61	0.24	False
CastToInt - Duration of single invocation	0.23 ns	9.67 ns	41.90	0.10	False
Read - Duration of single invocation	1.07 ns	2.83 ns	2.64	0.29	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Memory.MemoryMarshal<Byte>*'

Payloads

Baseline
Compare

Histogram

System.Memory.MemoryMarshal<Byte>.AsBytes

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 10.971834782441402 > 0.24204640353151666.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -12947.447895278021 (T) = (0 -10.972279599080727) / Math.Sqrt((1.492338714241915E-07 / (51)) + (5.4831138420876485E-06 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -46.61062799412075 = (0.2304586194585724 - 10.972279599080727) / 0.2304586194585724 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Memory.MemoryMarshal<Byte>.GetReference

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 5.5694223888186585 > 0.013705478541211813.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -602.4482381731924 (T) = (0 -5.568316525873779) / Math.Sqrt((0.004294179541467635 / (51)) + (3.174862279517507E-06 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -203.57759369185254 = (0.02721860407773259 - 5.568316525873779) / 0.02721860407773259 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Memory.MemoryMarshal<Byte>.CastToByte

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 9.682245022637336 > 0.02362070535786918.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -1209.1621974617606 (T) = (0 -9.683017457513953) / Math.Sqrt((0.0016349473967054418 / (51)) + (0.0002534348544388143 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -326.0773999031557 = (0.02960466684760548 - 9.683017457513953) / 0.02960466684760548 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Memory.MemoryMarshal<Byte>.CastToInt

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 9.67311877756125 > 0.24244504598425948.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -4082.432900353454 (T) = (0 -9.684344654563777) / Math.Sqrt((2.044432591539098E-07 / (51)) + (4.286692744580997E-05 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -40.97157992766986 = (0.23073576623164835 - 9.684344654563777) / 0.23073576623164835 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Memory.MemoryMarshal<Byte>.Read

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 2.8318717837370184 > 1.2326863141298907.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -8.945234405377754 (T) = (0 -2.8525257201225043) / Math.Sqrt((1.2928053802443011 / (51)) + (0.0018362937617299104 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -1.0061580741555478 = (1.421884823967931 - 2.8525257201225043) / 1.421884823967931 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

### Run Information

Architecture	x64
OS	alpine 3.15
Baseline	6b8d056a665fa20d321ea1d49a93a37a83960663
Compare	b3c3921a888fcf162d6e270178a0e3ea9a40a022
Diff	Diff

Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Cache

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
IsMatch_Multithreading - Duration of single invocation	38.58 ms	42.56 ms	1.10	0.00	False
IsMatch - Duration of single invocation	8.56 ms	10.93 ms	1.28	0.01	False
IsMatch_Multithreading - Duration of single invocation	3.85 ms	4.39 ms	1.14	0.00	False
IsMatch - Duration of single invocation	88.66 ms	102.63 ms	1.16	0.27	False
IsMatch - Duration of single invocation	65.68 ms	73.11 ms	1.11	0.00	False
IsMatch_Multithreading - Duration of single invocation	35.78 ms	40.77 ms	1.14	0.40	False
IsMatch - Duration of single invocation	33.23 ms	44.97 ms	1.35	0.14	False
IsMatch - Duration of single invocation	36.68 ms	44.61 ms	1.22	0.05	False
IsMatch_Multithreading - Duration of single invocation	33.78 ms	35.98 ms	1.06	0.20	False
IsMatch - Duration of single invocation	43.56 ms	56.86 ms	1.31	0.04	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.RegularExpressions.Tests.Perf_Regex_Cache*'

Payloads

Baseline
Compare

Histogram

System.Text.RegularExpressions.Tests.Perf_Regex_Cache.IsMatch_Multithreading(total: 400000, unique: 7, cacheSize: 15)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 42.55531496666667 > 40.55458382375.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -25.995472307527034 (T) = (0 -43178295.25580357) / Math.Sqrt((172904927518.83368 / (51)) + (229847865437.07034 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.1209528043781448 = (38519280.28295267 - 43178295.25580357) / 38519280.28295267 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Cache.IsMatch(total: 40000, unique: 1600, cacheSize: 3200)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 10.927924711180122 > 8.963773862413795.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -64.96015690788279 (T) = (0 -10938735.202964246) / Math.Sqrt((20164607921.697136 / (51)) + (7019202863.490625 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.2688167717307222 = (8621209.49744645 - 10938735.202964246) / 8621209.49744645 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Cache.IsMatch_Multithreading(total: 40000, unique: 1600, cacheSize: 3200)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 4.394349503571428 > 4.031797919069712.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -41.916622103014824 (T) = (0 -4478865.312999871) / Math.Sqrt((1768672198.4387083 / (51)) + (1643978152.0851066 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.16964367137734723 = (3829256.227860965 - 4478865.312999871) / 3829256.227860965 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Cache.IsMatch(total: 40000, unique: 1600, cacheSize: 15)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 102.63137966666667 > 89.73586092625.
IsChangePoint: Marked as a change because one of 7/2/2022 10:13:03 AM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -19.430926178592184 (T) = (0 -100399513.02916665) / Math.Sqrt((9360991748346.236 / (50)) + (2084323382220.9365 / (9))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (50) + (9) - 2, .025) and -0.14318126711985976 = (87824666.05852807 - 100399513.02916665) / 87824666.05852807 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Cache.IsMatch(total: 40000, unique: 1600, cacheSize: 800)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 73.1095595 > 68.95600532625001.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -44.473238254211886 (T) = (0 -73747747.67886904) / Math.Sqrt((578940699656.2012 / (51)) + (153561896095.7447 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.11781613101113045 = (65974846.51805826 - 73747747.67886904) / 65974846.51805826 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Cache.IsMatch_Multithreading(total: 400000, unique: 1, cacheSize: 15)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 40.76578266071429 > 37.2053094.
IsChangePoint: Marked as a change because one of 7/2/2022 10:13:03 AM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -9.904743915364048 (T) = (0 -39785937.447486766) / Math.Sqrt((2629489380405.3735 / (50)) + (1321330672540.715 / (9))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (50) + (9) - 2, .025) and -0.1250723709204027 = (35363002.83948717 - 39785937.447486766) / 35363002.83948717 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Cache.IsMatch(total: 400000, unique: 1, cacheSize: 15)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 44.96897836666667 > 34.453755988750004.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -54.55545536023904 (T) = (0 -45437340.391369045) / Math.Sqrt((417962180590.09937 / (51)) + (397796093734.2211 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.4063923008607908 = (32307728.33693618 - 45437340.391369045) / 32307728.33693618 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Cache.IsMatch(total: 40000, unique: 7, cacheSize: 0)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 44.61483993333333 > 38.35496450687501.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -15.798798488351686 (T) = (0 -43466153.639434524) / Math.Sqrt((153002209449.27423 / (51)) + (1549039788547.1719 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.19214381387349352 = (36460495.062424585 - 43466153.639434524) / 36460495.062424585 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Cache.IsMatch_Multithreading(total: 40000, unique: 1600, cacheSize: 15)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 35.975789678571424 > 35.345167258413454.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -5.62467007737706 (T) = (0 -36974714.107102334) / Math.Sqrt((2184348431328.5234 / (51)) + (1775641480290.575 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.08492574837804516 = (34080409.79982199 - 36974714.107102334) / 34080409.79982199 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Cache.IsMatch(total: 400000, unique: 7, cacheSize: 15)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 56.85912545 > 46.0172008275.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsRegressionStdDev: Marked as regression because -71.1946399348511 (T) = (0 -56956225.4610119) / Math.Sqrt((348731775304.50604 / (51)) + (224287002861.24747 / (8))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (51) + (8) - 2, .025) and -0.3045111856848967 = (43660971.31709043 - 56956225.4610119) / 43660971.31709043 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository