Re: GCC is 7 times slower than Intel? How to optimize? Need help!!

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jackfrost <jackfrost@xxxxxxx> writes:

> I've tried all optimization options: -mfpmath=sse -msse2 -O3
> -mtune=pentium-m
> But still intel is 7 times faster.

Try -ffast-math.  I think it's the default for icc when optimizing.

Ian

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