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Re: 40% performance regression SPEC2006/leslie3d on gcc-4_2-branch
- From: "H. J. Lu" <hjl at lucon dot org>
- To: Vladimir Sysoev <vladimir dot sysoev at gmail dot com>
- Cc: dberling at dberling dot org, gcc at gcc dot gnu dot org
- Date: Sat, 17 Feb 2007 14:58:05 -0800
- Subject: Re: 40% performance regression SPEC2006/leslie3d on gcc-4_2-branch
- References: <275bfc6c0702170235k3caee9b8l1ad486dba86bfe76@mail.gmail.com>
On Sat, Feb 17, 2007 at 01:35:28PM +0300, Vladimir Sysoev wrote:
> Hello, Daniel
>
> It looks like your changeset listed bellow makes performance
> regression ~40% on SPEC2006/leslie3d. I will try to create minimal
> test for this issue this week and update you in any case.
>
That is a known issue:
http://gcc.gnu.org/ml/gcc/2007-01/msg00408.html
H.J.