Messages in this thread | | | From | Eric Dumazet <> | Date | Fri, 26 Nov 2021 16:15:05 -0800 | Subject | Re: [PATCH v1] x86/lib: Optimize 8x loop and memory clobbers in csum_partial.c |
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On Fri, Nov 26, 2021 at 12:33 PM Noah Goldstein <goldstein.w.n@gmail.com> wrote: > > On Fri, Nov 26, 2021 at 2:07 PM Eric Dumazet <edumazet@google.com> wrote: > > > > On Fri, Nov 26, 2021 at 11:50 AM Noah Goldstein <goldstein.w.n@gmail.com> wrote: > > > > > > Bright :) but it will need a BMI support check. > > > > Yes, probably not worth the pain. > > Making a V2 for my patch with your optimization for the loop case. Do you think > 1 or 2 accum for the 32 byte case? >
I would vote for something simpler, thus one accum, since this 32byte block is only run one time ?
Thanks !
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