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Open MPI main development repository
Hey, guys. A question came up about how the OMPI OFI MTL and BTL handle ensuring that CUDA/HMEM buffers are completely in sync at the end of a data transfer....
Set the iov length to target buffer size while unpacking the data to result buffer to avoid data corruption. (cherry picked from commit 8803837098dd392e91a3e33aab0c8fa6349d5f5a) Signed-off-by: Aboorva Devarajan
Hi all, I'm running a Xubuntu 20.04.5 LTS with an OpenMPI 4.0.3, which was installed via the package manager. I also used a the 5.0.x branch of OpenMPI, which I...
There's an incoming PR https://github.com/open-mpi/ompi/pull/8132 that makes more MCAs get built into the main library, and that brings more potential symbol name pollution. My testcase https://github.com/open-mpi/ompi-tests-public/pull/3 identified a bunch of...
### Reproducer ```python from mpi4py import MPI SELF = MPI.COMM_SELF group = SELF.Get_group() comm = MPI.Intracomm.Create_from_group(group) print(f"{(comm == SELF) = }") print(f"{MPI.Comm.Compare(comm, SELF) = }") comm.Free() group.Free() print() WORLD =...
Thank you for taking the time to submit an issue! ## Background information Distributor ID: Ubuntu Description: Ubuntu 20.04.3 LTS Release: 20.04 Codename: focal ### What version of Open MPI...
Provide support for dynamically adding and removing the progress function for OB1 and CUDA. This will provide a fix for #4650. Signed-off-by: George Bosilca
Add the new mpi_poll_when_idle and mpi_poll_threhold MCA parameters to control if and when the progress loop should poll() when idle and when polling should start. The default is not to...
In OpenMPI 4.1.4 there was some questionable behavior when `HOME` was not set, namely it tried to open `\0/.openmpi/mca-params.conf`. ```shell $ env -i PATH=/usr/bin:/bin strace -f mpicc --version |& grep...
On main HEAD (5571dbabec232a5135ebdf62265b9ffe3522c6f9), with ``` $ git submodule status ac7abc6e432cd3fe2d5a72809a987f180133d668 3rd-party/openpmix (v1.1.3-3604-gac7abc6e) 0a7547330050854f8164c4805fafd8e32a2786cd 3rd-party/prrte (psrvr-v2.0.0rc1-4420-g0a75473300) ``` A simple configure on MacOS fails to complete because it can't find libevent....
