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Re: Compiling octave with MSVC

From: Alois Schloegl
Subject: Re: Compiling octave with MSVC
Date: Mon, 23 Oct 2006 11:40:45 +0200
User-agent: Mozilla Thunderbird 0.9 (Windows/20041103)

Hi Micheal,

your result is about speed. Could you also check the accuracy of the results?

I suggest this test:  http://www.dpmi.tu-graz.ac.at/~schloegl/matlab/fermat/
Download these files into a local directory
and run flttest and flttest1000. Please send the resulting  *.txt files.


address@hidden wrote:

Here are some numbers. I ran the benchmark script in regular cygwin
package (current version is 2.1.73) and in 2 MSVC-compiled 2.9.9+
(actually, CVS versions) packages. Results are attached.
Both MSVC versions do not rely on external libraries, like an optimized
ATLAS or so. One version is compiled with full debug, no optimization.
The other with no debug, full speed optimization (/O2 flag).


> Have you tried the Octave2.m benchmark from sciviews.org to
> see how an MSVC compiled Octave compares to a cygwin/gcc
> compiled one? Does this link against ATLAS, FFTW, etc?

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