From panda at cse.ohio-state.edu Mon Apr 20 11:04:37 2026 From: panda at cse.ohio-state.edu (Panda, Dhabaleswar) Date: Mon, 20 Apr 2026 15:04:37 +0000 Subject: [Mvapich-discuss] Announcing the release of MVAPICH-Plus 5.0rc In-Reply-To: References: Message-ID: The MVAPICH team is pleased to announce the release of MVAPICH-Plus 5.0rc. The new MVAPICH-Plus series is an advanced version of the MVAPICH MPI library. It is targeted to support unified MVAPICH2-GDR and MVAPICH2-X features. It is also targeted to provide optimized support for modern platforms (CPU, GPU, and interconnects) for HPC, Deep Learning, Machine Learning, Big Data and Data Science applications. The major features and enhancements available in MVAPICH-Plus 5.0rc are as follows: * Features and Enhancements (since 4.1) - Based on MPICH 5.0.0 - Added new algorithms for alltoall - Added multi-leader and push/pull alltoall - Added support GPU on-the-fly compression with default tuning - Can be enabled for all communicators with CVAR - Can be enabled for select communicators using hints - Enabled enhanced collective support on AMD systems with XNACK support * Bug Fixes (since 4.1) - Resolved performance degradation in Alltoall compression - Resolved error with HIP based compression in certain applications - Thanks to Natalie Beams @UTK for the report For downloading MVAPICH-Plus 5.0rc library and associated user guide, please visit the following URL: http://mvapich.cse.ohio-state.edu All questions, feedback, bug reports, hints for performance tuning, patches, and enhancements are welcome. Please post it to the mvapich-discuss mailing list (mvapich-discuss at lists.osu.edu). Thanks, The MVAPICH Team PS: We are also happy to announce that the number of organizations using MVAPICH libraries (and registered at the MVAPICH site) has crossed 3,500 worldwide (in 94 countries). The number of downloads from the MVAPICH site has crossed 2,000,000 (2.0 million). The MVAPICH team would like to thank all its users and organizations!!