[Scilab-users] Parallel execution on Mac

Arvid Rosén arvid at softube.com
Sun Feb 15 16:07:54 CET 2015


Yeah, I know about that bug. Does anyone know if it is difficult to fix?

I have used a custom solution for parallel processing previously (using fork), but it crashes now in libBLAS.

/Arvid

> 15 feb 2015 kl. 15:46 skrev Stéphane Mottelet <stephane.mottelet at utc.fr>:
> 
> Le 15/02/2015 12:01, Arvid Rosén a écrit :
>> Anyone out there who is using any successful ways of running heavy scilab jobs in parallel across several cores on Mac OS?
>> 
>> 8 cores, with 1 in use is, is a bit annoying when you are sitting there waiting for the processing to finish.
>> 
>> Cheers,
>> Arvid
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> Hello,
> 
> The problem is that parallel_run is still broken under MacOSX (see http://bugzilla.scilab.org/show_bug.cgi?id=13158). For some applications, such as Monte-Carlo estimations, this is not a big problem, since you just have to submit more tasks that expected. But for other tasks, such as partionning a big domain for independant computations (e.g. computing the Mandelbrot Set), this prohibits its usage. Under Linux, I have no problem using simultaneously 40 cores.
> 
> S.
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