best Gcc compilzation flags

"Server Tuneup mission" <[email protected]>
Newsgroups gmane.linux.gentoo.performance
Message-ID <[email protected]> 
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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