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Re: [PATCH] Faster strchr implementation.
- From: Liubov Dmitrieva <liubov dot dmitrieva at gmail dot com>
- To: Ondřej Bílka <neleai at seznam dot cz>
- Cc: GNU C Library <libc-alpha at sourceware dot org>
- Date: Mon, 12 Aug 2013 16:25:51 +0400
- Subject: Re: [PATCH] Faster strchr implementation.
- References: <20130807140911 dot GA31968 at domone dot kolej dot mff dot cuni dot cz> <CAHjhQ926EE-MYDJR5Eftf+DUefBg-Gox0pw57vZ7XUwsO3OPJg at mail dot gmail dot com> <20130808190716 dot GA4589 at domone dot kolej dot mff dot cuni dot cz> <CAHjhQ92+C6uXyrUhTd3OWuoa6v2SeUaKLBuqaNX5Sqtn4ANBdg at mail dot gmail dot com> <CAHjhQ90S-1uBhwV44KODTcQkr=0U-P+_9Pu0O=RbYYY9e82JCA at mail dot gmail dot com> <20130809164420 dot GB4972 at domone dot kolej dot mff dot cuni dot cz> <CAHjhQ92+D_VX1mXFj3jFJORN7LkzvVLLoM+0pHGUv1f8u0csVA at mail dot gmail dot com> <CAHjhQ90Zkc_C8QERKUXsESWu6ti-r+WXB-zt=6qzj8j4AVFW2Q at mail dot gmail dot com> <20130812122059 dot GB19931 at domone dot kolej dot mff dot cuni dot cz>
That was about strcmp, not memcmp. Do you also need results for memcmp
on Haswell, Silvermont and Atom?
--
Liubov
On Mon, Aug 12, 2013 at 4:20 PM, OndÅej BÃlka <neleai@seznam.cz> wrote:
> On Mon, Aug 12, 2013 at 03:27:01PM +0400, Liubov Dmitrieva wrote:
>>
> To fix that use this
> http://kam.mff.cuni.cz/~ondra/benchmark_string/memcmp_profile120913.tar.bz2
> or increase number of tests in tests/rand.c. Benchmark above differs by
> changing line
> for(i=0;i<100000;i++){
> to
> for(i=0;i<300000;i++){
>
>
> --
>
> paradigm shift...without a clutch