Using parfor on a single quad-core?

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Bart Boesman
Bart Boesman 2012-12-19
Hi all,
Does anyone have an idea whether its advantageous to use a parforloop on a single quadcore? I have some code that calculates in each iteration a set of integrals (a few with infinite boundaries) which can take up some time. However, matlab uses already functions that are multithreaded on their own. I tested it quickly, but it was slower dan ever (probably I still have to adapt my code a little bit to optimize it). However, I'd like to have an idea whether I should put some work in it or not. To give you an idea of the computation time, some integrals take more than one minute to calculate.
Thanks!
Bart
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Matt J
Matt J 2012-12-19
It would depend a lot on the processing being done and how much of your computation is actually just data transfer to the parallel workers.

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