[SciPy-user] some benchmark data for numarray, Numeric and scipy-newcore

Chris Fonnesbeck fonnesbeck at gmail.com
Sat Dec 3 16:36:29 CST 2005

On 12/3/05, Gerard Vermeulen <gerard.vermeulen at grenoble.cnrs.fr> wrote:
> Conclusion:
> - the overal performance of numarray is 23 % better than scipy-newcore and
>   27 % better than Numeric.
> - numarray is consistently faster than the other packages.
> - scipy newcore is on average somewhat faster than Numeric3, but some operations
>   are really slow in comparison with the other packages. In partical the
>   statements labeled 2, 3, 4, 6 and 7 take 2 times more time using scipy-newcore
>   than using Numeric.

These results seem a little shocking to me. Has numarray made recent
strides? As recent as a month ago, numarray was a dog, running orders
of magnitude slower for almost everything, unless arrays were *huge*.
What is up?

Chris Fonnesbeck
Atlanta, GA

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