* Zhang, Yanmin <[EMAIL PROTECTED]> wrote:
> I tested 2.6.24-rc1 on my x86_64 machine which has 2 quad-core processors.
>
> Comparing with 2.6.23, aim7 has about -30% regression. I did a bisect
> and found patch
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=b5869ce7f68b233ceb81465a7644be0d9a5f3dbb
>
> caused the issue.
weird, that's a commit diff - i.e. it changes no code.
> kbuild/SPECjbb2000/SPECjbb2005 also has big regressions. On my another
> tigerton machine (4 quad-core processors), SPECjbb2005 has more than
> -40% regression. I didn't do a bisect on such benchmark testing, but I
> suspect the root cause is like aim7's.
these two commits might be relevant:
7a6c6bcee029a978f866511d6e41dbc7301fde4c
95dbb421d12fdd9796ed153853daf3679809274f
but a bisection result would be the best info.
Ingo
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