Thread: Support AVX
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Old 2011-07-04, 19:11   #5
Just call me Henry
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Sep 2007
Cambridge (GMT/BST)

22·13·113 Posts

Originally Posted by Prime95 View Post
Just got numbers for the 2K FFT:

SSE2: 100 iters in 1.110 ms
AVX: 100 iters in 0.682 ms

I'm not sure if these numbers will extrapolate to large FFTs. These small FFTs operate completely in the L1 cache.
Nice. I use the smaller FFTs most of the time in LLR anyway so I am not too worried.
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