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Parfor freeze after ~50/70% of iteration

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Andrea Stevanato
Andrea Stevanato el 29 de Jun. de 2018
Comentada: Andrea Stevanato el 29 de Jun. de 2018
I'm tring to run some code that executes parfor for some data, I notice that after a lot of iteration parfor "freeze" and it's executed run like single core. I can see via top command that for some time all run correctly but after some iteration like 70/100 or something else it's freeze and the loop go slowly. The code that i'm trying to execute is the following:
for it = 1:100
parfor ...
% something
end
end
Which could be cause of this freeze?
  1 comentario
Andrea Stevanato
Andrea Stevanato el 29 de Jun. de 2018
Sometimes it works correctly for all iteration.

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