Hi, Could we write MPI programs with only MPI_Reinit()? Skip MPI_Init()... Regards, Tony On Wed, Jun 21, 2017 at 2:44 PM, Aurelien Bouteiller <[email protected]> wrote:
The minutes of the call discussing the Init issue can be found here: https://github.com/mpiwg-ft/ft-issues/wiki/2017-06-21
On Jun 21, 2017, at 13:54, Bland, Wesley <[email protected]> wrote:
Sounds good. We'll go ahead and hold the call then.
On Jun 21, 2017, at 12:41 PM, Aurelien Bouteiller <[email protected]> wrote:
I am available today for discussion. I think we can use some time to discuss the MPI Init issue, and keep the FA-MPI presentation for next meeting if that’s ok with all.
We can use the Zoom room for the meeting today at 3pm EST : Aurelien Bouteiller is inviting you to a scheduled Zoom meeting.
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On Jun 21, 2017, at 13:29, Anthony Skjellum <[email protected]> wrote:
Hi all, I am OK if we cancel too, but at the next meeting we hold, I wanted to do an update about FA-MPI work and answer questions people have about our approach to it. Since this came up a couple calls ago. It would be fine to wait for next call slot to do this... We are actively extending FA-MPI at this time. Tony
Anthony Skjellum, PhD Professor of Computer Science and Software Engineering and Charles D. McCrary Eminent Scholar Endowed Chair Director of the Charles D. McCrary Institute Samuel Ginn College of Engineering Auburn University e-mail: [email protected] or [email protected] web sites: http://cyber.auburn.edu http://mccrary.auburn.edu cell: +1-205-807-4968 <(205)%20807-4968> ; office: +1-334-844-6360 <(334)%20844-6360>
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________________________________________ From: mpiwg-ft <[email protected]> on behalf of Ignacio Laguna <[email protected]> Sent: Wednesday, June 21, 2017 12:17 PM To: MPI WG Fault Tolerance and Dynamic Process Control working Group; Bland, Wesley Subject: Re: [mpiwg-ft] FTWG Call Topics?
I'm okay if we cancel.
On a different note, I wanted to ask the group about the error handler for MPI_Init. As I look into the problem of MPI re-initialization, I came across some questions, which I'm not been able to answer myself by reading the standard:
- Since one cannot set an error handler before MPI_Init, is is expected that MPI_ERRORS_ARE_FATAL is enabled when MPI_Init is called? If that is the case, one can assume that if an error occurs the first time MPI_Init is called (let's assume in the future we can call MPI_Init several times), MPI will abort?
- Is there any situation, in which MPI_Init could return an error code if a failure occurs?
- Is there a way to set MPI_ERROR_RETURN in COMM_WORLD before calling MPI_Init?
I realize this was discussed in 2010, but I'm not sure if the forum found a solution: https://lists.mpi-forum.org/pipermail/mpiwg-ft/2010-August/000500.html
Thanks!
-- Ignacio Laguna Center for Applied Scientific Computing (CASC) Lawrence Livermore National Laboratory Phone: 925-422-7308 <(925)%20422-7308>, Fax: 925-422-6287 <(925)%20422-6287>
On 6/21/17 9:40 AM, Bland, Wesley wrote:
I don't have any topics for today's FTWG con call. Does anyone have anything they want to discuss?
Should we cancel? _______________________________________________ mpiwg-ft mailing list [email protected] https://lists.mpi-forum.org/mailman/listinfo/mpiwg-ft
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-- Anthony Skjellum, PhD [email protected] Cell: +1-205-807-4968