Add size hints to early binder iterator adapters

[compiler-errors]

probably doesn't do anything, but definitely doesn't hurt

[rustbot]

r? @cjgillot

(rustbot has picked a reviewer for you, use r? to override)

[compiler-errors]

@bors try @rust-timer queue

[bors]

⌛ Trying commit 0ba5e74 with merge bf5f92d5948ded4843a4731da0e324a5e70ff0e2...

[cjgillot]

r=me when perf comes back.

[bors]

☀️ Try build successful - checks-actions
Build commit: bf5f92d5948ded4843a4731da0e324a5e70ff0e2 (bf5f92d5948ded4843a4731da0e324a5e70ff0e2)

[rust-timer]

Finished benchmarking commit (bf5f92d5948ded4843a4731da0e324a5e70ff0e2): comparison URL.

Overall result: ✅ improvements - no action needed

Benchmarking this pull request likely means that it is perf-sensitive, so we're automatically marking it as not fit for rolling up. While you can manually mark this PR as fit for rollup, we strongly recommend not doing so since this PR may lead to changes in compiler perf.

@bors rollup=never
@rustbot label: +S-waiting-on-review -S-waiting-on-perf -perf-regression

Instruction count

This is a highly reliable metric that was used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-0.5%	[-0.5%, -0.5%]	1
Improvements ✅ (secondary)	-0.4%	[-0.4%, -0.4%]	1
All ❌✅ (primary)	-0.5%	[-0.5%, -0.5%]	1

Max RSS (memory usage)

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-2.5%	[-3.1%, -1.9%]	3
All ❌✅ (primary)	-	-	0

Cycles

This benchmark run did not return any relevant results for this metric.

[compiler-errors]

Probably noise, but anyways @bors r=cjgillot

[bors]

📌 Commit 0ba5e74 has been approved by cjgillot

It is now in the queue for this repository.

[bors]

⌛ Testing commit 0ba5e74 with merge c3a1c02...

[bors]

☀️ Test successful - checks-actions
Approved by: cjgillot
Pushing c3a1c02 to master...

[rust-timer]

Finished benchmarking commit (c3a1c02): comparison URL.

Overall result: no relevant changes - no action needed

@rustbot label: -perf-regression

Instruction count

This benchmark run did not return any relevant results for this metric.

Max RSS (memory usage)

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-3.4%	[-3.4%, -3.4%]	1
All ❌✅ (primary)	-	-	0

Cycles

This benchmark run did not return any relevant results for this metric.