[mpich-discuss] Managing process distribution

Doha Ehab dohaehab at gmail.com
Fri Aug 12 10:43:19 CDT 2016


I am running mpi code on host1(quad core) and host2(dual core)

mpiexec -hosts host1,host2 -n 6 ./mytask
I want to assign 4 processes for host1 and 2 for host2. I tried --map-by
core but I found that the processes are distributed 3 for each.

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