Use FnvHashMap instead of HashMap in rustc #18821
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And determinism, thanks! |
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Would it be possible to measure compiling e.g. librustc before and after this change? (Changes like this can occasionally cause slowdowns, e.g. a lower quality hash can result in more collisions. I find it unlikely that this will be the case, but it would be nice to confirm.) |
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@arielb1 Great PR! :-) |
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feat: Support the new `CoercePointee` derive
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This should improve performance