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From: "steven at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libfortran/51119] MATMUL slow for large matrices
Date: Fri, 29 Jun 2012 10:56:00 -0000 [thread overview]
Message-ID: <bug-51119-4-RGw6j3HKAj@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-51119-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51119
Steven Bosscher <steven at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |steven at gcc dot gnu.org
--- Comment #9 from Steven Bosscher <steven at gcc dot gnu.org> 2012-06-29 10:55:48 UTC ---
(In reply to comment #7)
> IIRC I reached about 30-40 % of peak
> flops which was a bit disappointing.
This sounds quite impressive to me, actually.
It would be interesting to investigate using the IFUNC mechanism to provide
optimized (e.g. vectorized) versions of some of the library functions.
next prev parent reply other threads:[~2012-06-29 10:56 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-14 8:16 [Bug libfortran/51119] New: " jb at gcc dot gnu.org
2011-11-14 8:17 ` [Bug libfortran/51119] " jb at gcc dot gnu.org
2011-11-14 13:56 ` burnus at gcc dot gnu.org
2011-11-15 12:35 ` Joost.VandeVondele at mat dot ethz.ch
2011-11-15 12:37 ` Joost.VandeVondele at mat dot ethz.ch
2011-11-15 16:19 ` jb at gcc dot gnu.org
2012-06-28 11:58 ` Joost.VandeVondele at mat dot ethz.ch
2012-06-28 12:15 ` jb at gcc dot gnu.org
2012-06-29 7:19 ` Joost.VandeVondele at mat dot ethz.ch
2012-06-29 10:56 ` steven at gcc dot gnu.org [this message]
2013-03-29 8:47 ` Joost.VandeVondele at mat dot ethz.ch
2013-04-01 15:59 ` tkoenig at gcc dot gnu.org
2015-10-31 14:15 ` dominiq at lps dot ens.fr
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