[OMPI users] Silent hangs with MPI_Ssend and MPI_Irecv

2020-07-24 Thread Lewis,Sean via users
Hi all, I am encountering a silent hang involving MPI_Ssend and MPI_Irecv. The subroutine in question is called by each processor and is structured similar to the pseudo code below. The subroutine is successfully called several thousand times before the silent hang behavior manifests and never

Re: [OMPI users] Silent hangs with MPI_Ssend and MPI_Irecv

2020-07-25 Thread Lewis,Sean via users
bs and --with-ucx)? 3) If that does not help, can you boil your code down to a minimum working example? That would make it easier for people to try to reproduce what happens. Cheers Joseph On 7/24/20 11:34 PM, Lewis,Sean via users wrote: > Hi all,