Hi Jeff,

Thank you for your reply, I think the MPI_COMM_Spawn is for generating new processes but I need to add more node or cores after pausing the job, am I right ?

On 10/08/2015 08:11 AM, Jeff Hammond wrote:

See MPI_Comm_spawn(_multiple).

Jeff 

On Wednesday, October 7, 2015, Zhao, Xin <xinzhao3@illinois.edu> wrote:

Hi Wahi,

Do you mean you want to change number of hosts during one MPI execution? If so, we think that is not possible.

Xin
________________________________________
From: wahi [wahi@sci.am]
Sent: Wednesday, October 07, 2015 2:43 AM
To: discuss@mpich.org
Subject: [mpich-discuss] Can the MPICH job pause and resumed

Hi,

I would like to know if there is possibility to pause the MPICH job and
restart it with more node numbers ?



Thanks in advance for any help or suggestion.





Regards,
  Wahi
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--
Jeff Hammond
jeff.science@gmail.com
http://jeffhammond.github.io/

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