[Numpy-discussion] vectorizing loops
Fri Oct 26 07:06:11 CDT 2007
On 10/26/07, David Cournapeau <email@example.com> wrote:
> P.S: IMHO, this is one of the main limitation of numpy (or any language
> using arrays for speed; and this is really difficult to optimize: you
> need compilation, JIT or similar to solve those efficiently).
This is where the scipy - sandbox numexpr project comes in
- if I'm not misaken ....
The scipy.sandbox.numexpr package supplies routines for the fast
evaluation of array expressions elementwise by using a vector-based
virtual machine. It's comparable to scipy.weave.blitz (in Weave), but
doesn't require a separate compile step of C or C++ code.
I hope that more noise around this will result in more interest and
subsequentially result in more support.
I think numexpr might be one of the most powerful ideas in numpy /
Did you know about numexpr - David ?
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