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Re: speed of octave
From: |
Tatsuro MATSUOKA |
Subject: |
Re: speed of octave |
Date: |
Sat, 15 Sep 2007 07:14:52 +0900 (JST) |
--- Michael Goffioul <address@hidden> wrote:
> Theoretically, it's suboptimal. In practice, I ran a benchmark script in
> octave
> with 2 versions of ATLAS: one compiled for P4 (512KB L2 cache) and one
> compiled for Centrino (2MB L2 cache). The test was run on the Centrino
> CPU. Both ATLAS versions brought big speed-up compared to the generic
> Fortran libraries, but the gain of using a Centrino-compiled ATLAS instead
> of a P4-compiled ATLAS was not that high (IIRC it was < 10%). I didn't test
> the other possibility: running the Centrino-based ATLAS on the P4 machine.
> The binary installer only provides the P4-compiled ATLAS, which probably
> provides good results on most CPU out there (P4, AMD, Centrino...)
Hi, Michael.
Thank you!!
for your comprehensive explanation.
For my binary distribution, the p4 optimized verion will be considered.
Tatsuro
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- Re: speed of octave, (continued)
- Re: speed of octave, Thomas Geiger, 2007/09/13
- Re: speed of octave, John W. Eaton, 2007/09/13
- Re: speed of octave, Dmitri A. Sergatskov, 2007/09/13
- Re: speed of octave, John W. Eaton, 2007/09/13
- GPL (was: speed of octave), Francesco Potorti`, 2007/09/14
- Re: GPL, Søren Hauberg, 2007/09/14
- Re: speed of octave, David Bateman, 2007/09/14
- Re: speed of octave, Michael Goffioul, 2007/09/14
- Re: speed of octave, Tatsuro MATSUOKA, 2007/09/14
- Re: speed of octave, Michael Goffioul, 2007/09/14
- Re: speed of octave,
Tatsuro MATSUOKA <=
Re: speed of octave, David Bateman, 2007/09/06