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doku:multimpi [2019/03/12 12:47] – created jzdoku:multimpi [2021/04/01 07:03] – markus
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 Sample job script to run two MPI tasks within one job script concurrently: Sample job script to run two MPI tasks within one job script concurrently:
  
-== With srun: ==+==== VSC-4 ===== 
 + 
 +Sample Job when for running multiple mpi jobs on a VSC-4 node. Note: 
 + 
 +<code> 
 +#!/bin/bash 
 +#SBATCH -J many 
 +#SBATCH -N 1 
 + 
 +export SLURM_STEP_GRES=none 
 + 
 +mytasks=4 
 +cmd="stress -c 24" 
 +mem_per_task=10G 
 + 
 +for i in `seq 1 $mytasks` 
 +do 
 +        srun --mem=$mem_per_task --cpus-per-task=2 --ntasks=1 $cmd & 
 +done 
 +wait 
 + 
 +</code> 
 + 
 +==== VSC-3 ===== 
 + 
 +=== With srun: ===
 <code> <code>
 #!/bin/bash #!/bin/bash
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 </code> </code>
  
-== With mpirun (Intel MPI): ==+=== With mpirun (Intel MPI): ===
  
 <code> <code>
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 </code> </code>
  
-You can download the C code example here: +You can download the C code example here: {{ :doku:hello_world.c |hello_world.c}} 
 + 
 +Compile it e.g. with: 
 + 
 +<code> 
 +# module load intel/18 intel-mpi/2018 
 +# mpiicc -lhwloc hello_world.c -o hello_world_intelmpi2018 
 +</code>
  
  
  • doku/multimpi.txt
  • Last modified: 2023/03/14 12:53
  • by goldenberg