Hi Ralph,

The allocation looks fine,  but why it show number of slots as 1. The
executions host has 4 processor, in nodes file also defined np=4.

======================   ALLOCATED NODES   ======================

 Data for node: Name: node56.beowulf.cluster    Num slots: 1    Max slots: 0

=================================================================

 ========================   JOB MAP   ========================

 Data for node: Name: node56.beowulf.cluster    Num procs: 4
        Process OMPI jobid: [17538,1] Process rank: 0
        Process OMPI jobid: [17538,1] Process rank: 1
        Process OMPI jobid: [17538,1] Process rank: 2
        Process OMPI jobid: [17538,1] Process rank: 3

 =============================================================
Hello World! from process 0 out of 4 on node56.beowulf.cluster
Hello World! from process 2 out of 4 on node56.beowulf.cluster
Hello World! from process 1 out of 4 on node56.beowulf.cluster
Hello World! from process 3 out of 4 on node56.beowulf.cluster



On 9 June 2010 17:31, Ralph Castain <r...@open-mpi.org> wrote:

> mpirun --display-allocation --display-map -np 4

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