number of MPI processes can exceed number of logical processors on a node
I have a simple MPI code that print out the rank of process, compiled and
linked with Intel compiler and MPI library. Then I ran it on the master
node of a cluster interactively: mpiexec -n 50 ./a.out The node only have
12 cores and 24 logical processors (hyperthreading?). But I can ran it
with 50 and even more processes. What's the reason?
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