[Numpy-discussion] fourier with single precision
focke at slac.stanford.edu
Thu Aug 2 22:11:36 EDT 2007
On Thu, 2 Aug 2007, Charles R Harris wrote:
> On X86 machines the main virtue would be smaller and more cache friendly
> arrays because double precision arithmetic is about the same speed as single
> precision, sometimes even a bit faster. The PPC architecture does have
> faster single than double precision, so there it could make a difference.
Yeah, I was wondering if I should mention that. I think SSE has real
single precision, if you can convince the compiler to do it that way.
Even better if it could be vectorized with SSE.
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