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Re: octave in multiprocessor cpu
From: |
Benjamin Lindner |
Subject: |
Re: octave in multiprocessor cpu |
Date: |
Fri, 08 Jan 2010 15:10:31 +0100 |
User-agent: |
Thunderbird 2.0.0.23 (Windows/20090812) |
Carlo Sartori wrote:
> Hi
> I like to know if octave can use multiprocessor cpu. I have a Intel i7
> 720 CPU, Ubuntu see the 8 core correctly (4 real core with double
> processing for each one) but octave use only one at time. For me it is
> like if I have a cpu with only 800 MHz.
> thank for your answer
> Carlo
Octave itself is a single-thread application, however some numeric
libraries it uses can take advantage of parallel execution.
Two come to my mind: atlas and fftw. However, IIRC they must be built
as threaded libraries to utilize a multi-core cpu.
You can also take a look at parcellfun() - take a look at the
octave-forge mailing list.
There has also been some discussion about a MPI binding package.
Benjamin