> Then, where does the overhead come from ? -- > The call to omp_set_dynamic(dynamic); > Or the > #pragma omp parallel for private(j, i,ax,ay, dif_x, dif_y) >
It may be this. You initialize a thread pool, even if it has only one thread, and there is the dynamic part, so OpenMP may create several chunks instead of one big chunk. Matthieu -- Information System Engineer, Ph.D. Blog: http://matt.eifelle.com LinkedIn: http://www.linkedin.com/in/matthieubrucher
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