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doku:tight_integration [2014/05/28 11:27] – created ir | doku:tight_integration [2014/08/12 13:56] – markus | ||
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===== Tight integration ===== | ===== Tight integration ===== | ||
- | Some MPI implementations have a tight integration to SGE. In this case, providing a machinefile could/will be ignored by mpirun. | + | 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 | For disabling this behaviour one can | ||
- | * unset the variable PE_HOSTFILE within the job script with: | + | * unset the variable PE_HOSTFILE within the job script with:< |
- | < | + | |
unset PE_HOSTFILE | unset PE_HOSTFILE | ||
</ | </ | ||
* recompile the MPI libraries with disabled tight integration support | * recompile the MPI libraries with disabled tight integration support | ||
- | | + | Correct usage for tight integrated MPI versions: |
- | < | + | |
mpirun -npernode < | mpirun -npernode < | ||
+ | </ | ||
+ | |||
+ | |||
+ | Available MPI version can be requested using the following command: | ||
+ | < | ||
+ | mpi-selector --list | ||
</ | </ | ||