Compilation Options for Best Performance

Compilation Options
Target Hardware Compilation Options
32-bit x86, no SSE -xtarget=pentium{3|4}
32-bit x86, SSE -xtarget=pentium{3|4} -xarch=sse
32-bit amd64 -xtarget=opteron
64-bit amd64 -xtarget=opteron -xarch=amd64

\* -xtarget=opteron implies -xarch=sse2, -xchip=opteron, and -xcache=64/64/2:1024/64/16

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