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doku:tight_integration [2014/05/28 11:27] – created irdoku: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:<code>
-<code>+
 unset PE_HOSTFILE unset PE_HOSTFILE
 </code> </code>
   * recompile the MPI libraries with disabled tight integration support   * recompile the MPI libraries with disabled tight integration support
  
-  * use the mpirun command with following options, '-machinefile' option has to be omitted: +Correct usage for tight integrated MPI versions: 
-<code>+  * use the mpirun command with following options, '-machinefile' option has to be omitted:<code>
     mpirun -npernode <number_of_processes_on_one_node> -np <number_of_total_processes> <command>     mpirun -npernode <number_of_processes_on_one_node> -np <number_of_total_processes> <command>
 +</code>
 +
 +
 +Available MPI version can be requested using the following command:
 +<code>
 +mpi-selector --list
 </code> </code>