We have figured this out. It turns out that the first call to each
MPI_Isend/Irecv is staged through the host but subsequent calls are not.
Thanks,
Justin
From: Justin Luitjens
Sent: Wednesday, March 30, 2016 9:37 AM
To: us...@open-mpi.org
Subject: CUDA IPC/RDMA Not Working
Hello,
I have inst
Hello,
I have installed OpenMPI 1.10.2 with cuda support:
[jluitjens@dt03 repro]$ ompi_info --parsable --all | grep
mpi_built_with_cuda_support:value
mca:mpi:base:param:mpi_built_with_cuda_support:value:true
I'm trying to verify that GPU direct is working and that messages aren't
traversing t
