[MPICH] mpich and pbs

wgy at altair.com.cn wgy at altair.com.cn
Thu Jun 21 11:08:49 CDT 2007

Hello, Steve:
This is Wu from AGT.
Which version of PBS you are using?
Have you noticed the integration between PBS and MPICH2?
Guangyu Wu.
| Hello everyone,
| 	I still seem to be having an issue with getting mpich to work properly.
| I have version mpich2-1.0.5 compiled. This works as expected when I use
| mpiexec or mpirun. However, the nodes that jobs run on aren't in sync
| with the nodes that PBS allocates to the job. In posting to the list
| before I was informed to use the mpiexec from OSC that works with PBS. I
| installed that and jobs now get started on the proper nodes that PBS
| allocates. However, now it appears that the program being run is in
| serial. For example, an 8 cpu job gets stared on two nodes (each node
| has 4 cpu's - 2 dual core opterons). We see all 8 processes running on
| the nodes. But in looking at the output it appears like a serial job. I
| get the same results trying to use vasp and amber. So I'm not sure what
| I could do to correct this. Any ideas?
| -Steve

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