The OpenHPC community is pleased to announce the release of version 3.5, built on RHEL 9.8 and latest Leap 15.5. This release brings a major Slurm version upgrade along with substantial updates across the HPC software stack.
Key Highlights in OpenHPC v3.5
Major Slurm Upgrade: Slurm has been updated from the 24.11.x series to 25.11.x. Users running slurmdbd (Slurm DataBase Daemon) must update that component first. Please refer to the Slurm release notes for full details on the upgrade path.
Major Library Upgrades: This release includes significant version jumps for core HPC libraries: HDF5 2.x, MPICH 5.x, MVAPICH2 4.x, Lmod 9.2.x, and Python ecosystem tools including Cython 3.x and mpi4py 4.x. Scientific computing libraries PETSc 3.25.1, SLEPc 3.25.1, and Trilinos 17.0.0 were also updated.
Documentation Modernization: The project completed its transition from LaTeX to a Markdown-based documentation system, making contributions more accessible to community members.
Provisioning Updates: Warewulf has been upgraded to version 4.7.0. Please refer to the Warewulf 4.7.x documentation for details about new features.
Extensive Validation: The release was validated with over 94,400 tests across 153 hours of testing.
Getting Started
- Release Details: OpenHPC v3.5 Release Notes
- Installation Guide: OpenHPC 3.x Wiki
- Downloads: RPM packages are available through the OpenHPC repositories
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