[SciPy-user] lingalg.svd performance?

Nick Arnett narnett at mccmedia.com
Thu Nov 11 20:45:57 CST 2004


Pearu Peterson wrote:

> On a system with AMD Athlon(tm) 64 Processor 3000+ and 2GB memory:
> 
> - calculating full svd of a 500x15000 matrix takes 5m55s consuming about
>   1.8g memory
> - calculating only singular values takes 22s consuming about 0.2g memory
> 
> Note that the above results do not contain time spent for swaping when 
> memory is low. E.g. on a 1GB system calculating full svd would take 
> forever..

Thanks, belatedly.

It'll help immensely if I actually get Atlas installed... didn't realize 
it wasn't there until now!

Nick



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