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Re: [PATCH] Compile AVX libm functions with -mavx -mprefer-avx128
- From: "Carlos O'Donell" <carlos at systemhalted dot org>
- To: Andreas Jaeger <aj at suse dot com>
- Cc: libc-alpha at sourceware dot org, "H.J. Lu" <hjl dot tools at gmail dot com>, Ondřej Bílka <neleai at seznam dot cz>, Mike Frysinger <vapier at gentoo dot org>
- Date: Thu, 4 Oct 2012 09:45:06 -0400
- Subject: Re: [PATCH] Compile AVX libm functions with -mavx -mprefer-avx128
- References: <CAMe9rOrnn9r3viYefdNb_dbx25Lp9HqXXEK9tj23NsyDE+41aQ@mail.gmail.com><4952755.kiLyfq4KKH@byrd>
On Thu, Oct 4, 2012 at 9:08 AM, Andreas Jaeger <aj@suse.com> wrote:
>> Here is a patch to compile AVX libm functions with -mavx
>> -mprefer-avx128.
>
> Let's first get some benchmarks for these changes, please,
Agreed, this needs performance numbers and acceptance criteria.
It also needs to get documented here:
http://sourceware.org/glibc/wiki/benchmarking/results_2_17
Cheers,
Carlos.