Re: How to speed up Octave

[Dmitri A. Sergatskov]

On Tue, 19 Jun 2001, Laubach, Mark (Nicolelis Lab) wrote:

> (version 6) under Windows.  I was disappointed to see how slow Octave is
> compared to Matlab on my home PC (Athlon 700 MHz with 256 MB SDRAM).  (I
> obtained a similar pattern of results on my (slower) notebook.)  Can someone
> please suggest how I might improve execution speeds for Octave, especially
> under Linux?

Matlab 6 now uses ATLAS. Did you compile ATLAS for octave?
I still would expect factor of 2 difference for non-ATLAS/LAPACK
related stuff...

> Also, I've noticed that Octave is slightly faster the second time a given
> piece of code is run.  Can someone explain why this is?

It uses pre-allocated memory?

> Best regards,
>
> Mark Laubach
>

Sincerely,

Dmitri.




-------------------------------------------------------------
Octave is freely available under the terms of the GNU GPL.

Octave's home on the web:  http://www.octave.org
How to fund new projects:  http://www.octave.org/funding.html
Subscription information:  http://www.octave.org/archive.html
-------------------------------------------------------------