[Numpy-discussion] Different results from repeated calculation

Keith Goodman kwgoodman at gmail.com
Sun Jan 28 12:11:07 CST 2007


On 1/28/07, Fernando Perez <fperez.net at gmail.com> wrote:
> [snip]  The test code uses double arrays, and SSE2 has double
> precision support but it's purely 64-bit doubles.  SSE is
> single-precision only, which means that for a double computation,
> ATLAS isn't used and the Intel FPU does the computation instead.

So since I use N.float64, ATLAS SSE won't help me?


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