Gilles,
I tested your patch with our code and it fixed the problem. Thanks.
--Junchao Zhang
On Thu, Jun 27, 2019 at 11:46 PM Gilles Gouaillardet via users
mailto:users@lists.open-mpi.org>> wrote:
Thanks Junchao,
I issued https://github.com/open-mpi/ompi/pull/6782 in order to fix this
(and
Thanks Junchao,
I issued https://github.com/open-mpi/ompi/pull/6782 in order to fix this
(and the alltoallw variant as well)
Meanwhile, you can manually download and apply the patch at
https://github.com/open-mpi/ompi/pull/6782.patch
Cheers,
Gilles
On 6/28/2019 1:10 PM, Zhang,
Hello,
When I do MPI_Neighbor_alltoallv or MPI_Ineighbor_alltoallv, I find when
either outdegree or indegree is zero, OpenMPI will return an error. The
suspicious code is at pneighbor_alltoallv.c / pineighbor_alltoallv.c
101 } else if ((NULL == sendcounts) || (NULL == sdispls) ||
102
