[Numpy-discussion] building NumPy with Intel CC & MKL (solved!)

George Nurser gnurser at googlemail.com
Thu Jan 25 03:34:20 CST 2007


On 25/01/07, David Cournapeau <david at ar.media.kyoto-u.ac.jp> wrote:
> rex wrote:
> >
> > I think it should do much better. A few minutes ago I compiled a C
> > math benchmark with :
> >
> > icc -o3 -parallel -xT
> >
> > and it ran 2.8x as fast as it did when compiled with gcc -o3. In
> > fact, it ran at a little over a gigaflop, which is a higher speed than
> > anyone has reported for this benchmark.
> Without seeing the benchmark, it would be quite hard to know what's
> happening. Also, when you are using numpy, you are using python, and for

Perhaps compiling python itself with icc might give a useful speedup.
Apparently somebody managed this for python 2.3 in 2003:
http://mail.python.org/pipermail/c++-sig/2003-October/005824.html

--George Nurser.


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