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crossbeam_epoch::pin perf regression #55317

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Eh2406 opened this issue Oct 24, 2018 · 3 comments
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crossbeam_epoch::pin perf regression #55317

Eh2406 opened this issue Oct 24, 2018 · 3 comments
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C-bug Category: This is a bug. E-needs-mcve Call for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example I-slow Issue: Problems and improvements with respect to performance of generated code.

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@Eh2406
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Eh2406 commented Oct 24, 2018

According to the work done on lolbench there was a perf regression on
crossbeam_epoch_0_4_0::pin::single_pin and crossbeam_epoch_0_4_0::pin::multi_pin between nightly 10-11 and 10-12
cc @anp
@Centril Centril added the I-slow Issue: Problems and improvements with respect to performance of generated code. label Oct 25, 2018
@nikic
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nikic commented Dec 15, 2018

Commit range: 5af0bb8...77af314

Not seeing anything obvious in there. #54592 looks the most relevant, but I don't really see how that one would hurt performance.

@sanxiyn sanxiyn changed the title crossbeam_epoch::pin perf regetion crossbeam_epoch::pin perf regression Apr 3, 2019
@Enselic
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Enselic commented Nov 18, 2023

Triage: To make progress here we'll need some form of MCVE. Labeling appropriately.

@Enselic Enselic added E-needs-mcve Call for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example C-bug Category: This is a bug. labels Nov 18, 2023
@jackh726
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Closing since there's actually no usable info on how the perf regression shows.

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C-bug Category: This is a bug. E-needs-mcve Call for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example I-slow Issue: Problems and improvements with respect to performance of generated code.
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@Enselic @nikic @Centril @Eh2406 @jackh726