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Question about compiling mex files


From: José Luis García Pallero
Subject: Question about compiling mex files
Date: Wed, 18 Jul 2018 21:34:27 +0200

Hello:

Which is the best way to tell the mex function to compile using
OpenMP? I have a mex function for Matlab and I can compile it for
Octave without problems using

mex -O3 myfunc.c

If I use

mex -O3 -fopenmp myfunc.c

I obtain no errors nor warnings and the mex function is generated, but
the code not runs in parallel as I can check using the htop utility.

How is the correct way to use OpenMP in mex files in Octave?

Thanks

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José Luis García Pallero
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