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Subject: Re: [OMPI devel] Intercomm Merge
From: Ralph Castain (rhc_at_[hidden])
Date: 2013-09-13 11:39:46


It has been a low priority issue, and hence not resolved yet. I doubt it will make 1.7.3, though if you need it, I'll give it a try.

On Sep 13, 2013, at 7:21 AM, Suraj Prabhakaran <suraj.prabhakaran_at_[hidden]> wrote:

> Hello,
>
> Is there a plan to fix the problem with MPI_Intercomm_merge with 1.7.3 as stated in this ticket? We are really in need of this at the moment. Any hints?
>
> We face the following problem.
>
> Parents (x and y) spawn child (z). (all of them execute on separate nodes)
> x is the root.
> x,y and z do an MPI_Intercomm_merge.
> x and z are able to communicate properly.
> But y and z are not able to communicate after the merge.
>
> Is this bug in high priority for the next release?
>
> https://svn.open-mpi.org/trac/ompi/ticket/2904
>
> Best,
> Suraj
>
>
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