The Open MPI community is pleased to announce the start of the Open MPI 4.1 release series with the release of Open MPI 4.1.0rc1. The 4.1 release series builds on the 4.0 release series and will include enhancements to OFI and UCX communication channels, as well as collectives performance improvements. 4.1.0rc1 is very early in the release process; a number of our planned performance enhancements are not yet included in the release candidate.
The Open MPI 4.1 release series can be downloaded from the Open MPI website: https://www.open-mpi.org/software/ompi/v4.1/ Changes in 4.1.0 compared to 4.0.4: - runtime: fix situation where rank-by argument does not work - Portals4: Clean up error handling corner cases - runtime: Remove --enable-install-libpmix option, which has not worked since it was added - UCX: Allow UCX 1.8 to be used with the btl uct - OMPIO: Add support for the IME file system - OFI/libfabric: Added support for multiple NICs - OFI/libfabric: Added support for Scalable Endpoints - OFI/libfabric: Added btl for one-sided support - libnbc: Adding numerous performance-improving algorithms _______________________________________________ announce mailing list announce@lists.open-mpi.org https://lists.open-mpi.org/mailman/listinfo/announce
