[Bug libc/32475] memmove_avx512_unaligned_erms performance drop 30%on AMD by commit 1a8605b6cd

goldstein.w.n at gmail dot com sourceware-bugzilla@sourceware.org
Fri Dec 20 01:37:58 GMT 2024


https://sourceware.org/bugzilla/show_bug.cgi?id=32475

--- Comment #6 from Noah Goldstein <goldstein.w.n at gmail dot com> ---
Okay, I tested some different memcpy methods on some newer Intel machines and
dont think the page unrolled version is really justified anymore. I'm going to
submit a patch that essentially returns to standard copy method.

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