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Re: [PATCH][BZ #12100] strstr with unaligned loads.
- From: OndÅej BÃlka <neleai at seznam dot cz>
- To: Liubov Dmitrieva <liubov dot dmitrieva at gmail dot com>
- Cc: GNU C Library <libc-alpha at sourceware dot org>
- Date: Wed, 25 Sep 2013 15:39:07 +0200
- Subject: Re: [PATCH][BZ #12100] strstr with unaligned loads.
- Authentication-results: sourceware.org; auth=none
- References: <20130825090758 dot GA23686 at domone dot kolej dot mff dot cuni dot cz> <20130923183149 dot GB11240 at domone dot podge> <CAHjhQ917c-+1Y8wg=GZujB28RE6rm6RXRL74e5X7Mw=UcRc-AA at mail dot gmail dot com> <CAHjhQ93N2wwcMJFpJa-jTGbymTRkiBZKrNO-Zjs7oYeFs5v=Og at mail dot gmail dot com>
On Wed, Sep 25, 2013 at 05:04:12PM +0400, Liubov Dmitrieva wrote:
> Hi,
>
> I see performance results are unavailable here.
> http://kam.mff.cuni.cz/~ondra/benchmark_string/strstr.html
>
I probably wrote bad address there, results are available here
http://kam.mff.cuni.cz/~ondra/benchmark_string/strstr_profile.html
> --
> Liubov
>
>
> > On Mon, Sep 23, 2013 at 10:31 PM, OndÅej BÃlka <neleai@seznam.cz> wrote:
> >>
> >> ping.
> >> On Sun, Aug 25, 2013 at 11:07:58AM +0200, OndÅej BÃlka wrote:
> >> > Hi,
> >> >
> >> > This patch continues to remove ineffective sse4.2 functions. Now we
> >> > focus on strstr.
> >> >
> >> > I use a techique of doing vectorized search for first pair of characters
> >> > which is fastest in practice.
> >> >
> >>
> >