[GE users] tight integration with mvapich and openmpi

Reuti reuti at staff.uni-marburg.de
Tue Oct 21 13:46:59 BST 2008


Am 21.10.2008 um 03:42 schrieb Joseph Hargitai:

>> Not the system's rsh. SGE dynamically starts its own qrsh and
>> (modified) rshd pair. But you need to make sure that mpirun uses
>> qrsh/rsh from SGE.
>
> and you do that by creating a pe, which calls startmpi.sh and which  
> calls rsh ?
>
> pe_name           mvapich-8
> slots             16

With allocation rule 8 this means a max. of 2 jobs. Is this intented?

> user_lists        NONE
> xuser_lists       NONE
> start_proc_args   /opt/gridengine/mpi/startmpi.sh -catch_rsh  
> $pe_hostfile
> stop_proc_args    /opt/gridengine/mpi/stopmpi.sh
> allocation_rule   8
> control_slaves    TRUE
> job_is_first_task FALSE
> urgency_slots     min

Are other parallel applications which don't use InfiniBand are  
working on the ethernet network side fine and get access to the nodes?

-- Reuti


> according to tight integration rules - but that results in error to  
> get to hosts.
>
> j
>
>
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