Hello. I have a cluster (12 nodes, 24 cores on each). Also I've compiled mdrun with MPI. Now when I try to run a MD on this cluster, it takes near 20 hours to complete. But when I try the same simulation on a PC with 8 cores, it takes near 10 hours to complete. I thought that it will take less on cluster but I see the opposite. What I'm doing wrong?
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