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| doku:tight_integration [2014/05/28 11:27] – created ir | doku:tight_integration [2021/05/13 17:48] (current) – removed goldenberg | ||
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| - | ===== Tight integration ===== | ||
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| - | Some MPI implementations have a tight integration to SGE. In this case, providing a machinefile could/will be ignored by mpirun. | ||
| - | For disabling this behaviour one can | ||
| - | |||
| - | |||
| - | * unset the variable PE_HOSTFILE within the job script with: | ||
| - | < | ||
| - | unset PE_HOSTFILE | ||
| - | </ | ||
| - | * recompile the MPI libraries with disabled tight integration support | ||
| - | |||
| - | * use the mpirun command with following options, ' | ||
| - | < | ||
| - | mpirun -npernode < | ||
| - | </ | ||