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

Andrew Haley aph@redhat.com
Tue Oct 7 07:50:00 GMT 2008


jackfrost wrote:
> 
> Ian Lance Taylor-3 wrote:
>> Try -ffast-math.  I think it's the default for icc when optimizing.
> 
> I've tried  -ffast-math with the same result.

You're going to have to look at the generated assembler code.

Andrew.



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