[Numpy-discussion] NumPy EIG much slower than MATLAB EIG

Nathaniel Smith njs@pobox....
Mon Apr 2 04:25:48 CDT 2012

To see if this is an effect of numpy using C-order by default instead of
Fortran-order, try measuring eig(x.T) instead of eig(x)?

On Apr 1, 2012 2:28 PM, "Kamesh Krishnamurthy" <kameshkk@gmail.com> wrote:

> Hello all,
> I profiled NumPy EIG and MATLAB EIG on the same Macbook pro, and both were
> linking to the Accelerate framework BLAS. NumPy turns out to be ~4x slower.
> I've posted details on Stackoverflow:
> http://stackoverflow.com/q/9955021/974568
> Can someone please let me know the reason for the performance gap?
> Thanks,
> Kamesh
> _______________________________________________
> NumPy-Discussion mailing list
> NumPy-Discussion@scipy.org
> http://mail.scipy.org/mailman/listinfo/numpy-discussion
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mail.scipy.org/pipermail/numpy-discussion/attachments/20120402/355e2632/attachment.html 

More information about the NumPy-Discussion mailing list