[Numpy-discussion] parallel numpy - any info?

Albert Strasheim fullung@gmail....
Wed Jan 9 00:23:20 CST 2008


On Jan 8, 2008 5:31 PM, Ray Schumacher <subscriber100@rjs.org> wrote:
> At 04:27 AM 1/8/2008, you wrote:
> >    4. Re: parallel numpy (by Brian Granger) - any info?
> >       (Matthieu Brucher)
> >From: "Matthieu Brucher" <matthieu.brucher@gmail.com>
> >
> >MKL does the multithreading on its own for level 3 BLAS instructions
> >(OpenMP).
> There was brief debate yesterday among the Pythonians in the lab as
> to whether the MKL operates outside of the GIL, but it was general
> understanding that it does.
> It is still unclear to me whether Python/numpy compiled with MKL
> would be freely re-distributable, as the MSVC version is.

Read the License Agreement on Intel's site. My interpretation is that
it would be redistributable.


In a related matter, Intel MKL on a MP Xeon with OMP_NUM_THREADS=8
flies on large matrices.



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