[mpich-discuss] rank 0 on one node

Pavan Balaji balaji at mcs.anl.gov
Sun Sep 16 19:10:23 CDT 2012


FYI, Intel MPI is based on a slightly older version of MPICH2 (1.4.1p1), 
so some features listed on the below wiki might be missing in that.

  -- Pavan

On 09/16/2012 04:22 PM, Mahesh Doijade wrote:
> Hi,
>      Initially you need to form the cluster by doing the ssh
> passwordless login amongst the node in your cluster, then you have to
> create a machinefile consisting of process to node mapping and pass it
> to mpiexec while launching your MPI job. all the details about the
> creation of machinefile and job launching is given in link below.
> http://wiki.mcs.anl.gov/mpich2/index.php/Using_the_Hydra_Process_Manager
>      So in your case of launching of the master process on the separate
> desired node can be achieved through mentioning the same in the
> machinefile and rest as required.
>
> Regards,
> -- Mahesh Doijade
> MTech - II (CSE) ,
> Walchand College of Engineering, Sangli
>
>
>
>
>
> On Mon, Sep 17, 2012 at 1:51 AM, rigved sharma
> <rigved.sharma123 at gmail.com <mailto:rigved.sharma123 at gmail.com>> wrote:
>
>     hi,
>
>     i have intel mpi configured on our cluster where we are running the
>     job in which it is required that only master process should execute
>     on 1 node (1 seperate node of 8 procs) and rest 63 processes on 63
>     procs (8 nodes of 8 proc each). how it can be acieved.
>
>     -ruchir b.
>
>
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-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji


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