IRA performance regressions on PPC

H.J. Lu
Fri Sep 5 14:17:00 GMT 2008

On Fri, Sep 5, 2008 at 6:59 AM, Luis Machado <> wrote:
> Hi Vladimir,
> I was just going through some benchmarks on PPC and noticed that your
> patch from 08/26 (
> caused a significant regression on both facerec (~17%) and applu (~4%)
> for 64-bit PPC.
> There are other degradations that i'm still working on isolating the
> cause, just to give you a heads up on the problem.

Can you try ira-merge branch? There is one patch:

which is supposed to improve SPEC CPU performance.
But no one can explain why.



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