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A scalable OpenMPI runtime container for Docker

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sjdonado/docker.openmpi

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Build cluster and connect to head

  ./connect

Run script inside head

  bash
  mpiexec -n $CORES --hostfile ~/scripts/hosts python $1 $n

Build openmpi image

  docker build -t openmpi .

Create hosts file

  • From /etc/hosts to scripts/hosts (copy only the IP adresses, nothing else)
  docker inspect -f "{{ .NetworkSettings.IPAddress }}" $NODE_CONTAINER_NAME

Compile mpi binary

  mpicc primes.v2.c -o primes -lm

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A scalable OpenMPI runtime container for Docker

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  • Python 83.3%
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  • Makefile 4.6%
  • Shell 2.6%