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Re: Octave 3.6.0 on Windows XP plot fails.


From: Michael Goffioul
Subject: Re: Octave 3.6.0 on Windows XP plot fails.
Date: Thu, 1 Mar 2012 08:47:54 +0000

On Wed, Feb 29, 2012 at 10:14 PM, Martin Helm <address@hidden> wrote:
> Firts test with Tatsuro's 3.6.0 and OpenBLAS MultiArch
> (number of threads controlled with GOTO_NUM_THREADS)
>
> Threads    Linux 64 bit/ATLAS      Win7 32bit/OpenBLAS
> 1               19.3                            21.3
> 2               NA                              11.8
> 4               8.3                              7.5
>
> dual core atom (HT) all numbers in seconds.
> With the example A=randn(n); B=randn(n);tic; C=A*B; t=toc,
>
> This also shows a significant speedup for the multithreading (scales
> even better than ATLAS).
>
> I failed so far to install the 3.6.1 (somehow the download files seem to
> be corrupt) and to test the other BLAS libs, will try this another day.

Thanks, Martin. It seems that your CPU is better than mine at HT
(P4-HT prescott). That's good to know.

Michael.


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