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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/06/10 19:04:26 UTC

[GitHub] [arrow-rs] jhorstmann commented on pull request #1830: Remove simd and avx512 bitwise kernels in favor of autovectorization

jhorstmann commented on PR #1830:
URL: https://github.com/apache/arrow-rs/pull/1830#issuecomment-1152651450

   Thanks for reproducing the results! It's interesting that you also seem to get the effect of the second benchmark function being slower. I don't think it's downclocking related, on my machine the frequency looked constant and cascade lake shouldn't downclock either. Pinning the process to one core also did not make a difference. But I assume this is a effect that will only be visible in a microbenchmark and not have an effect on larger programs


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