git: 5350f6a327 - main - Status/2025Q4/hpc-ports-modernization.adoc: Add report

The branch main has been updated by salvadore:

URL: https://cgit.FreeBSD.org/doc/commit/?id=5350f6a327b01f00d9eda6006c03a197bfd57921

commit 5350f6a327b01f00d9eda6006c03a197bfd57921
Author:     GenericRikka <rikka.goering@outlook.de>
AuthorDate: 2025-11-24 19:37:19 +0000
Commit:     Lorenzo Salvadore <salvadore@FreeBSD.org>
CommitDate: 2025-12-30 10:58:57 +0000

    Status/2025Q4/hpc-ports-modernization.adoc: Add report
    
    Pull Request:   https://github.com/freebsd/freebsd-doc/pull/570
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+=== FreeBSD HPC Ports Modernization: Slurm 25.11 and Unbundled PMIx/PRRTE
+
+Links: +
+link:https://cgit.freebsd.org/ports/commit/?id=1536bac0dd26d81e315652929b8bfaff9c136089[sysutils/slurm-wlm: 23.11.7 → 25.11.0] URL: link:https://cgit.freebsd.org/ports/commit/?id=1536bac0dd26d81e315652929b8bfaff9c136089[] +
+link:https://www.freshports.org/net/pmix/[net/pmix: Process Management Interface for Exascale (PMIx)] URL: link:https://www.freshports.org/net/pmix/[] +
+link:https://www.freshports.org/net/prrte/[net/prrte: PMIx Reference RunTime Environment (PRRTE)] URL: link:https://www.freshports.org/net/prrte/[] +
+link:https://www.freshports.org/sysutils/py-clustershell/[sysutils/py-clustershell: Python framework for efficient cluster administration] URL: link:https://www.freshports.org/sysutils/py-clustershell/[] +
+link:https://kavocado.net/reports/[Kavocado Monthly Status Reports – FreeBSD HPC notes] URL: link:https://kavocado.net/reports/[]
+
+Contact: Generic Rikka <rikka.goering@outlook.de>
+
+During this quarter, a significant amount of work has gone into making FreeBSD a more practical target for modern HPC clusters by bringing key components of the Slurm + PMIx + PRRTE stack up to date and available as first-class ports.
+
+==== Work completed
+
+* Updated package:sysutils/slurm-wlm[] from 23.11.7 to 25.11.0, tracking the latest upstream long-term series and drastically reducing the number of local patches required for FreeBSD.
+* Refreshed the Slurm rc.d scripts so that `slurmctld` and `slurmd` integrate better with a typical FreeBSD deployment (configurable config/log directories, pidfiles, status and cleanup helpers).
+* Introduced package:net/pmix[] and package:net/prrte[] as standalone ports, and switched package:net/openmpi[] to use these unbundled runtimes instead of the copies shipped inside the OpenMPI distfile.
+  This aligns FreeBSD more closely with how many Linux HPC distros package the MPI runtime stack.
+* Added package:sysutils/py-clustershell[], a Python framework widely used for scalable cluster administration, providing FreeBSD users with a familiar tool found on many production HPC systems.
+
+==== Work in progress
+
+* Iterating on additional Slurm integration improvements (plugins, defaults, documentation) to make it easier to deploy Slurm on FreeBSD in real clusters.
+* Extending the HPC userland stack with further tools such as test frameworks and job-oriented utilities, so that FreeBSD can serve as a realistic development and validation platform for HPC software.
+* Porting package:sysutils/mpifileutils[] and its dependencies (package:devel/libcircle[], package:devel/lwgrp[], package:devel/lwgrpd[]) to provide MPI-parallel file utilities commonly used on large HPC filesystems (currently under review).
+* Adding and refining HPC-oriented Python tooling, including package:benchmarks/py-reframe[] (HPC regression testing framework) and continued work around package:sysutils/py-clustershell[].
+* Initial work on bringing package:devel/spack[] to FreeBSD as a complementary tool for HPC software development and experimentation, with the goal of improving compatibility with existing HPC workflows.
+
+==== Future plans
+
+* Continue tracking upstream Slurm, PMIx and PRRTE releases closely so that FreeBSD remains a viable target for sites that expect a modern MPI/Slurm stack.
+* Document a “reference” Slurm + OpenMPI + PMIx + PRRTE setup on FreeBSD, to lower the barrier for new sites that want to experiment with FreeBSD in an HPC context.
+* Identify and address FreeBSD-specific gaps or regressions to ensure the software stack remains feature-complete and robust on FreeBSD.