From: Andrew Pinski <pinskia@physics.uc.edu>
To: law@redhat.com
Cc: Kazu Hirata <kazu@cs.umass.edu>, Jakub Jelinek <jakub@redhat.com>,
rth@redhat.com, dnovillo@redhat.com, gcc-patches@gcc.gnu.org
Subject: Re: [PATCH] Fix PR tree-optimization/17724
Date: Fri, 08 Oct 2004 20:25:00 -0000 [thread overview]
Message-ID: <B7B9ECD3-1966-11D9-B778-000A95D692F4@physics.uc.edu> (raw)
In-Reply-To: <1097263242.4227.4.camel@localhost.localdomain>
On Oct 8, 2004, at 3:20 PM, Jeffrey A Law wrote:
> Well, if you want a testcase you might peek at 15524; it's spending
> over 20% of its time in the tree CFG cleanup code. I haven't looked
> into what it's doing that is so bloody bad, but it's clearly doing
> something goofy (I'm up to my eyeballs in driving down the time for
> DOM for that testcase right now :-)
>
> Anyway, the only tidbit I could pass along is that the CFG cleanup
> time has basically been unchanged, even with Kazu's recent work.
I filed PR 17895 with a slightly modified testcase from PR 15524
which shows that we spend 90% of the time in tree CFG cleanup.
The modification is removing the function call from each of the
case statement.
Thanks,
Andrew Pinski
next prev parent reply other threads:[~2004-10-08 20:15 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-07 20:13 Jakub Jelinek
2004-10-07 22:16 ` Kazu Hirata
2004-10-08 7:05 ` Jakub Jelinek
2004-10-08 19:32 ` Jeffrey A Law
2004-10-08 20:25 ` Andrew Pinski [this message]
2004-10-08 23:48 ` Diego Novillo
2004-10-09 8:24 ` Zdenek Dvorak
[not found] <20041009082440.GB22455@atrey.karlin.mff.cuni.cz>
2004-10-09 9:23 ` Zdenek Dvorak
-- strict thread matches above, loose matches on Subject: below --
2004-09-30 1:05 Jakub Jelinek
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