MPI Users mailto:users@lists.open-mpi.org>>
Subject: Re: [OMPI users] MPI_WAIT hangs after a call to MPI_CANCEL
On Mon, Apr 3, 2017 at 4:47 PM, McGrattan, Kevin B. Dr. (Fed)
mailto:kevin.mcgrat...@nist.gov>> wrote:
Thanks, George.
Are persistent send/receives matched from the start of
PI library, including
> pending sends and receives. This will also print additional information
> (the status of the requests, the tag, the size, and so on) that can be
> understood by the developers. If you post the info here, we might be able
> to provide additional information on the
rg>>
Cc: McGrattan, Kevin B. Dr. (Fed)
mailto:kevin.mcgrat...@nist.gov>>
Subject: Re: [OMPI users] MPI_WAIT hangs after a call to MPI_CANCEL
Kevin,
In Open MPI we only support cancelling non-yet matched receives. So, you cannot
cancel sends nor receive requests that have already been
nt:* Monday, April 03, 2017 2:29 PM
> *To:* Open MPI Users
> *Cc:* McGrattan, Kevin B. Dr. (Fed)
> *Subject:* Re: [OMPI users] MPI_WAIT hangs after a call to MPI_CANCEL
>
>
>
> Kevin,
>
>
>
> In Open MPI we only support cancelling non-yet matched receives. So, you
&g
Users
Cc: McGrattan, Kevin B. Dr. (Fed)
Subject: Re: [OMPI users] MPI_WAIT hangs after a call to MPI_CANCEL
Kevin,
In Open MPI we only support cancelling non-yet matched receives. So, you cannot
cancel sends nor receive requests that have already been matched. While the
latter are supposed to
Kevin,
In Open MPI we only support cancelling non-yet matched receives. So, you
cannot cancel sends nor receive requests that have already been matched.
While the latter are supposed to complete (otherwise they would not have
been matched), the former are trickier to complete if the corresponding
I am running a large computational fluid dynamics code on a linux cluster
(Centos 6.8, Open MPI 1.8.4). The code is written in Fortran and compiled with
Intel Fortran 16.0.3. The cluster has 36 nodes, each node has two sockets, each
socket has six cores. I have noticed that the code hangs when t