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Hi Jeff,<br>
<br>
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 ?<br>
<br>
<div class="moz-cite-prefix">On 10/08/2015 08:11 AM, Jeff Hammond
wrote:<br>
</div>
<blockquote cite="mid:CAGKz=uJ2t1L0emiBgpGrLSAgj9PeHUMfS=1i+0LAXSAGY8sM+g@mail.gmail.com" type="cite">See MPI_Comm_spawn(_multiple).
<div><br>
</div>
<div>Jeff <span></span><br>
<br>
On Wednesday, October 7, 2015, Zhao, Xin <<a moz-do-not-send="true" href="mailto:xinzhao3@illinois.edu"><a class="moz-txt-link-abbreviated" href="mailto:xinzhao3@illinois.edu">xinzhao3@illinois.edu</a></a>>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Wahi,<br>
<br>
Do you mean you want to change number of hosts during one MPI
execution? If so, we think that is not possible.<br>
<br>
Xin<br>
________________________________________<br>
From: wahi [<a moz-do-not-send="true" href="javascript:;" onclick="_e(event, 'cvml', 'wahi@sci.am')">wahi@sci.am</a>]<br>
Sent: Wednesday, October 07, 2015 2:43 AM<br>
To: <a moz-do-not-send="true" href="javascript:;" onclick="_e(event, 'cvml', 'discuss@mpich.org')">discuss@mpich.org</a><br>
Subject: [mpich-discuss] Can the MPICH job pause and resumed<br>
<br>
Hi,<br>
<br>
I would like to know if there is possibility to pause the
MPICH job and<br>
restart it with more node numbers ?<br>
<br>
<br>
<br>
Thanks in advance for any help or suggestion.<br>
<br>
<br>
<br>
<br>
<br>
Regards,<br>
Wahi<br>
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<br>
<br>
-- <br>
Jeff Hammond<br>
<a moz-do-not-send="true" href="mailto:jeff.science@gmail.com" target="_blank">jeff.science@gmail.com</a><br>
<a moz-do-not-send="true" href="http://jeffhammond.github.io/" target="_blank">http://jeffhammond.github.io/</a><br>
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