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AFAIK -O3 might cause some broken binaries which in turn would have
some things not working.
I use:
-O2 -march=pentium4 -mcpu=pentium4 -pipe -fomit-frame-pointer
Not sure about the last two flags you indicated, I'm sure somebody
will be able to help out
On Mon, 22 Nov 2004 12:15:59 +0500, Server Tuneup mission
<talha@...> wrote:
> Dear all
>
> which are the best Gcc compilation flags used with gentoo which will likely
> to give maximum performance
>
> a.g -O3 -march=Pentium -fprefetch-loop-arrays -funroll-loops
>
> i have 2 servers Pentium 3 and Pentium 4 Intel based
>
> any information will be help appreciated !!!!
>
> Thanks and Regards
>
> UX
>
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> gentoo-performance@g.o mailing list
>
>
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