From: Steve Ellcey <sellcey@mips.com>
To: Carlos O'Donell <carlos@redhat.com>
Cc: <libc-ports@sourceware.org>
Subject: Re: [patch, mips] Improved memset for MIPS
Date: Tue, 10 Sep 2013 21:14:00 -0000 [thread overview]
Message-ID: <1378847551.5770.384.camel@ubuntu-sellcey> (raw)
In-Reply-To: <522F88A6.1000904@redhat.com>
On Tue, 2013-09-10 at 17:01 -0400, Carlos O'Donell wrote:
> > Now that I can see the results of 'make bench' I do have a question,
> > what is the difference between the results in bench-memset.out and
> > bench-memset-ifunc.out? MIPS doesn't yet support IFUNC. It looks like
> > the results in the two files are pretty close, so maybe they are
> > identical runs on machines with no IFUNC?
>
> You get the default implementation of __libc_ifunc_impl_list (the function
> used by the testing infrastructure to iterate the functions implemented
> as ifuncs) which adds no additional functions to the test list. You still
> test the usual defaults e.g. simple, builtin, and original function entry.
> Therefore it's the same as the non-IFUNC version with the results being
> the same modulo testing variance.
>
> Does that answer your question?
I think so, but just to be clear: If I did have IFUNC and 4 different
implementations of memset (for example), would the testing
infrastructure run and benchmark all 4 versions of memset?
Steve Ellcey
next prev parent reply other threads:[~2013-09-10 21:14 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-05 17:06 Steve Ellcey
2013-09-06 0:40 ` Mike Frysinger
2013-09-06 15:42 ` Steve Ellcey
2013-09-06 4:18 ` Carlos O'Donell
2013-09-06 16:03 ` Steve Ellcey
2013-09-06 17:12 ` Carlos O'Donell
2013-09-06 23:33 ` Steve Ellcey
2013-09-07 2:38 ` Carlos O'Donell
2013-09-10 20:31 ` Steve Ellcey
2013-09-10 21:01 ` Carlos O'Donell
2013-09-10 21:14 ` Steve Ellcey [this message]
2013-09-10 22:35 ` Carlos O'Donell
2013-09-10 22:38 ` Carlos O'Donell
2013-09-07 5:46 ` Andreas Schwab
2013-09-06 14:31 ` Joseph S. Myers
2013-09-06 15:58 ` Steve Ellcey
2013-09-06 16:09 ` Joseph S. Myers
2013-09-06 16:50 ` Steve Ellcey
2013-09-06 16:59 ` Joseph S. Myers
2013-09-06 17:43 ` Steve Ellcey
2013-09-06 18:57 ` Brooks Moses
2013-09-18 17:41 ` Steve Ellcey
2013-09-19 15:25 ` Carlos O'Donell
2013-09-19 17:02 ` Steve Ellcey
2013-09-20 16:43 ` Joseph S. Myers
2013-09-20 17:32 ` Steve Ellcey
2013-12-12 22:19 ` Andrew Pinski
2013-12-13 0:01 ` Carlos O'Donell
2013-12-13 0:14 ` Steve Ellcey
2013-12-13 0:22 ` Andrew Pinski
2013-12-13 4:40 ` Carlos O'Donell
2013-09-06 16:59 ` Steve Ellcey
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