There was work done in ompio in that direction, but the code wasn’t actually committed into the main repository. It probably exists somewhere in a branch somewhere. If you are interested, please ping me directly and I can put you in contact with the person that wrote the code and to clarify the precise status.
Thanks Edgar From: users <users-boun...@lists.open-mpi.org> On Behalf Of Jim Edwards via users Sent: Monday, December 5, 2022 8:16 AM To: Open MPI Users <users@lists.open-mpi.org> Cc: Jim Edwards <jedwa...@ucar.edu> Subject: [OMPI users] GPU direct in OMPIO? Greetings, Does the OMPIO library support GPU-Direct IO? NVIDIA seems to suggest that it does<https://developer.nvidia.com/blog/accelerating-io-in-the-modern-data-center-magnum-io-storage-partnerships/>, but I can't find details or examples. -- Jim Edwards CESM Software Engineer National Center for Atmospheric Research Boulder, CO
