Hi all, On Monday, October 5, 2015 at 4:18:27 AM UTC+2, Victor Shoup wrote: > > Thanks for the feedback, Bill! A bit of friendly competition is always a > good thing :-) > > I've been looking into SIMD for small prime FFT's...unfortunately, there > is currently > no CPU out there that supports SIMD 64x64 -> high order 64 bits of product. > So, it does not look very promising. > In a couple of years, Intel will eventually release a machine with SIMD > 52x52 -> high order 52 bits of product. > That may be interesting. > > Last week I was told by Paul Zimmermann that the FFT in Prime95 (https://en.wikipedia.org/wiki/Prime95) was awfully fast. Did you have a look at it? I just googled it for a few seconds and I would say it uses a floting point FFT algorithm.
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