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Re: Greased Lightning: ATLAS


From: Keith Goodman
Subject: Re: Greased Lightning: ATLAS
Date: Thu, 19 May 2005 10:21:44 -0700

On 5/19/05, John W. Eaton <address@hidden> wrote:
> There have been various benchmark programs for Octave.  But how does
> running a benchmark tell you whether you are using a fast
> implementation of blas or lapack on your system if you only have one
> data point?

I was referring to running bench with and without atlas. But there are
many other uses of a bench function.

I have my own programs that provide a more useful measure of how fast
Octave will be for the type of work I do.

But it depends on octave-forge and it takes a while to set up,
requires a large data set, set paths etc.

We can all point out how meaningless the results of bench would be,
but sometime you just need a rough idea with very little effort.

You could even pop in Quantian on your friends new redmond box and run
Octave bench. You'd have a rough estimate of its Octave speed before
the 1-day Mothersboard Day Sale was over.



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