[mpiwg-ft] FTWG Call Topics?

Aurelien Bouteiller bouteill at icl.utk.edu
Wed Jun 21 12:41:14 CDT 2017

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. 

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> On Jun 21, 2017, at 13:29, Anthony Skjellum <skjellum at auburn.edu> 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: skjellum at auburn.edu or skjellum at gmail.com
> web sites: http://cyber.auburn.edu     http://mccrary.auburn.edu
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> ________________________________________
> From: mpiwg-ft <mpiwg-ft-bounces at lists.mpi-forum.org> on behalf of Ignacio Laguna <lagunaperalt1 at llnl.gov>
> 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, Fax: 925-422-6287
> 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?
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