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I am using Mathematica 10.4 in GUI mode on stampede supercomputer. I am using a single node on this machine and each node has two 8 core chips. Whenever I try to parallelize my code on 16 cores(using only one node) by launching kernels, it does not allow me and continue to compute the solution on a single core. The $ProcessorCount command showed me that there is only one processor. If on each node there are two 8 core chips that it should show me 8 or 16. I cannot figure out a way to connect all cores on one node. If anyone knows about it, please let me know asap. Thanks ashu

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    $\begingroup$ Have you tried LaunchKernels[16] in a new Mathematica session and seeing if you get 16 concurrent processes? Mathematica parallelizes simply by launching processes and depends on the operating system to distribute those processes to cores appropriately. $\endgroup$ – grigjd3 Sep 26 '16 at 21:19
  • $\begingroup$ Yes, I tried that. I didn't work. $\endgroup$ – ashu sharma Sep 26 '16 at 22:40

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