Hybrid programming with MPI & OpenMP - Prace Training Portal
Hybrid programming with MPI & OpenMP - Prace Training Portal
Hybrid programming with MPI & OpenMP - Prace Training Portal
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Multithread libraries (mkl, acml, essl)• No explicit <strong>OpenMP</strong> directive• Very efficient (in most cases)• No possibility to mix multithread and non multithreadversion of the same library (selective call)• Workaround using omp_set_num_threads()omp_get_max_threads() max threads() not always possible21