[Numpy-discussion] Purpose for bit-wise and'ing the initial mersenne twister key?
Michael S. Gilbert
Fri Feb 13 09:07:56 CST 2009
On Fri, 13 Feb 2009 12:54:10 +0100 Sturla Molden wrote:
> If you are that obsessed with speed, consider to use the new SIMD
> version of the Mersenne Twister instead of Jean-Sebastien Roy's
> randomkit.c (used by NumPy). But I think randomkit.c is fast enough for
> most purposes.
I had already come across this, and was going to suggest using it as
well at some point. However, as per Robert's last comment, it sounds
like quite a bit of work needs to be done first to make drop-in
replacements for the PRNG possible.
I'm not "obsessed" with speed, but a 2x improvement is quite
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