10~17x faster than what? A performance analysis of Intel' x86-SIMD-sort(AVX-512)

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  • sort-research-rs

    Test and benchmark suite for sort implementations in Rust

  • x86-simd-sort

    C++ template library for high performance SIMD based sorting algorithms

    Of course! Appreciate all the time you put in. I added a few more optimizations to qsort after that (see https://github.com/intel/x86-simd-sort/pull/33), just wanted to know if your analysis took that into account.

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  • highway

    Performance-portable, length-agnostic SIMD with runtime dispatch

    Cross-posting from https://news.ycombinator.com/item?id=36273544:

    We looked into this [1] and conclude:

    - throttling is a non-issue on Xeon Gold/Platinum;

    - AVX-512 startup overhead can hurt on Skylake, but AVX-512 is still a net win for data sizes >= 100 KiB.

    - Startup overhead is a non-issue on Icelake and AMD Zen4.

    1: https://github.com/google/highway/blob/master/hwy/contrib/so...

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