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Re: PATCH: Improve 32 bit strcat functions with SSE2/SSSE3
- From: Ulrich Drepper <drepper at gmail dot com>
- To: Dmitrieva Liubov <liubov dot dmitrieva at gmail dot com>
- Cc: libc-alpha at sourceware dot org
- Date: Tue, 19 Jul 2011 18:51:22 -0400
- Subject: Re: PATCH: Improve 32 bit strcat functions with SSE2/SSSE3
- References: <CAHjhQ92N1KXEuq4U1i+8GouLGCnt=L-PdS_MHYSjF5HqRxezcA@mail.gmail.com>
On Fri, Jul 15, 2011 at 10:33, Dmitrieva Liubov
<liubov.dmitrieva@gmail.com> wrote:
> This patch improves 32 bit strcat functions with SSE2 and SSSE3.
> Tested on Atom, Core 2, Core i5, Core i7. ÂIt improves performance by
> up to 5X for strcat and 15x for strncat.
I get a crash in noinl-tester with this patch. This is with a Sandy
Brdige processor but any SSSE3-capable machine should show it.