Have a look at the "no schedule" features of lamboot -- check out the
"lamboot" command in the LAM/MPI User's Guide ("Avoiding Running on
Specific Nodes"). You can designate n0 to be "non schedulable" node,
but then explicitly run the master on n0. All the other processes will
then avoid n0 when scheduling in a round-robin fashion.
On May 18, 2005, at 6:45 AM, alind_sap wrote:
> hi 2 all,
> i am trying to execute round robbin technique in a restricted
> fasion. i want that the process with task id 0 should execute only on
> master and the remaining process should execute on other nodes i.e.
> slave nodes in round robin fashion .while executing in round robin
> fashion ( if taskid is > no. of slave nodes) then it should not be
> executed on master. Suppose i have 6 tasks(0-5) and 3 nodes(0-2) then
> the scenario should be:
> task id 0 shuld be executed only on node 0 ; taskid 1, 2, 3, 4, 5,
> on node 1, 2, 1, 2, 1 respectively.
> can somebody help
> thanks in advance.
>
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{+} Jeff Squyres
{+} jsquyres_at_[hidden]
{+} http://www.lam-mpi.org/
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