[SciPy-user] SciPy ATLAS vs. Matlab 7.2 linear algebra benchmarks

Stefan van der Walt stefan@sun.ac...
Thu Aug 30 10:08:02 CDT 2007

On Thu, Aug 30, 2007 at 09:57:27AM -0400, Jose Unpingco wrote:
> For this experiment, I create a square matrix with random entries of size 500,
> 1000, 1500, 2000 and then apply a variety of factorizations to those matrices.
> Naturally, each of these experiments is run on exactly the same workstation.
> The times are wall times in seconds.
> The bottom line is that Matlab is still substantially faster than either of the
> ATLAS library versions. However, the newer developer version (3.7.37) of the
> ATLAS library is about one third faster than the previous version (3.6). Note
> that Enthought SciPy distribution includes ATLAS 3.6.
> There is a graph summarizing the results at the following link:
> http://www.osc.edu/~unpingco/Benchmarks30Aug2007.jpg

Would you mind forwarding your code to the list so that we can verify
those results?


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