Changes

OpenMPI

120 bytes added, 21:35, 28 May 2015

= Use mpirun with ssh hostfile =

See # https://www.open-mpi.org/faq/?category=running#mpirun-hostfile# https://www.open-mpi.org/faq/?category=rsh# https://docs.oracle.com/cd/E19923-01/820-6793-10/ExecutingBatchPrograms.html

We have the 3 machines '''bax minima elvis'''.<br>

cat << EOF > relax_hosts

~~localhost slots=3 max-slots=4~~

bax slots=3 max-slots=4

minima slots=3 max-slots=4

mpirun --report-bindings -np 1 --host localhost uptime

mpirun --report-bindings -np 2 --host tomat uptime

mpirun --report-bindings -np 4 -mca plm_rsh_agent ssh --hostfile relax_hosts uptime

</source>

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