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 [[email protected]] Sent: Wednesday, October 07, 2015 2:43 AM To: [email protected] 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 _______________________________________________ discuss mailing list [email protected] To manage subscription options or unsubscribe: https://lists.mpich.org/mailman/listinfo/discuss _______________________________________________ discuss mailing list [email protected] To manage subscription options or unsubscribe: https://lists.mpich.org/mailman/listinfo/discuss