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Re: 3.3 compile time regression (22400%)
- From: Richard Guenther <rguenth at tat dot physik dot uni-tuebingen dot de>
- To: Steven Bosscher <s dot bosscher at student dot tudelft dot nl>
- Cc: rmark at codesourcery dot com, <gcc at gcc dot gnu dot org>, Janis Johnson <janis187 at us dot ibm dot com>
- Date: Mon, 24 Mar 2003 09:46:52 +0100 (CET)
- Subject: Re: 3.3 compile time regression (22400%)
On 24 Mar 2003, Steven Bosscher wrote:
> Op zo 23-03-2003, om 23:21 schreef Richard Guenther:
> > On Sun, 23 Mar 2003, Richard Guenther wrote:
> > This is optimization/10196 now, and I have linked the testcase from POOMA
> > from it
> > (http://www.tat.physik.uni-tuebingen.de/~rguenth/DynamicLayout2.cmpl.ii.gz).
> > This is the testcase with the most serious regression in compilation speed
> > from the pooma library (all other files regress, too, but not that much).
> > Its rather large, sorry about that.
> >
> > If you need more information, please tell me.
>
> Richard,
>
> Mark Mitchell has fixed 7086, which is another PR about excessive time
> spent in "expand". In this PR the slowdown is not nearly as bad as
> yours, so the issues could be unrelated, but maybe you try this once
> more with an updated GCC 3.3 tree?
>
> I tried to download your testcase, but the indicated URL
> "http://www.tat.physik.uni-tuebingen.de/~rguenth/DynamicLayout2.ii.gz";
> does not exist.
Whoops - I should not file PRs after midnight ;) The correct URL is
http://www.tat.physik.uni-tuebingen.de/~rguenth/DynamicLayout2.cmpl.ii.gz
I'm currently bootstrapping new gcc 3.3 and will report back changes in
time report.
Richard.
--
Richard Guenther <richard dot guenther at uni-tuebingen dot de>
WWW: http://www.tat.physik.uni-tuebingen.de/~rguenth/