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#!/bin/bash
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# compile
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mpicc -o /project/mpi_hello_world ../examples/mpi_hello_world.c
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# scp hello wrold to all clients. sudo -u mpi for auto scp connect. see /home/mpi/.ssh
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while read -r line;
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do
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sudo -u mpi scp /project/mpi_hello_world mpi@$line:/project/mpi_hello_world
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done < /project/hosts
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# cd to work dir
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cd /project
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# run it!
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sudo -u mpi mpirun -n 10 -f /project/hosts /project/mpi_hello_world 2>&1 | tee /tmp/output.log
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