Richard Rasker wrote:
> The AMD64 "example" is just an empty line, so perhaps there's nothing to
> optimize there? Or are there any specific options/flags like the above
> that might be appropriate for the AMD64 CPU? 

Here are the optimization flags Mixxx uses. I'm sure they'll help:
-O3 -march=k8-sse3 -mmmx -msse2 -msse3 -m3dnow -mfpmath=sse
-fomit-frame-pointer -ffast-math -funroll-loops

If your CPU doesn't support SSE3, use:
-O3 -march=k8 -mmmx -msse2 -m3dnow -mfpmath=sse -fomit-frame-pointer
-ffast-math -funroll-loops

Sincerely,
Sean M. Pappalardo

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