Quantum #91

Issue #91 of the weekly HPC newsletter by HMx Labs. Things don’t appear to have slowed down for the holiday season at all, the news is mostly dominated by all things Slurm.

Quantum #91

Last week was still running on all cores with no signs of letting up in HPC. The news was dominated by, rather unusually, by a fairly unglamorous (yet critical) bit of software that originates from a US national laboratory, Lawrence Livermore National Lab to be precise. I am talking, of course, about Slurm.

I’ve already written a little (see below) about its acquisition by Nvidia, but the other important Slurm related news was Google making releasing Cluster Director, a new Slurm based managed HPC offering to run on Google Cloud. This means that the three largest hyperscalers now all have a managed HPC offering based on Slurm with AWS Parallel Computing Service, Azure Cycle Cloud Workspace for Slurm and now Google’s Cluster Director. Just as Slurm itself becomes owned by one of their largest suppliers, Nvidia.

For the first time, in possibly a decade, the HPC scheduler market just got interesting again. I have more thoughts one this, but I will try and put finger to keyboard later in the week with another dedicated post. 

And to cap it all off SchedMD (the company behind Slurm since 2010) also released a new version last week.


In The News

Updates from the big three clouds on all things HPC.

HPC Cloud Updates WE 21 Dec 2025
Updates to AWS, Azure & GCP in the last week relevant for HPC practitioners. It might be the week before Christmas but it doesn’t look like anyone is slowing down! Google gives us an alternative to PCS, we have some new VMs from AWS and Azure NetApp gets some upgrades.

Next Platform provide a good history of Nvidia’s AI Enterprise stack in their story on the acquisition of Slurm but have no more answer about the future of Slurm than I did (see below for my take).

Nvidia Nearly Completes Its Control Freakery With Slurm Acquisition
It has always been funny to us that anyone can acquire control of an open source project. But it definitely happens because, in the final analysis, people

Nvidia’s announcement about the Slurm acquisition

NVIDIA Acquires Open-Source Workload Management Provider SchedMD
NVIDIA will continue to distribute SchedMD’s open-source, vendor-neutral Slurm software, ensuring wide availability for high-performance computing and AI.

SchedMD released a new minor version of Slurm too: 25.11

Slurm Version 25.11.1 is Now Available - SchedMD
Slurm Version 25.11.1 is Now Available SchedMD News Release: December 16, 2025 We are pleased to announce the availability of Slurm version 25.11.1. This release fixes two critical bugs when…

It reads more like a review of AI not HPC in 2025 but here’s HPC Wire’s year in review:

https://www.hpcwire.com/2025/12/17/2025-an-hpc-year-in-review/


From HMx Labs

What does Nvidia’s acquisition of Slurm mean for HPC and AI

Nvidia Drinks (Acquires) Slurm
Some thoughts and questions on what Nvidia’s acquisition of Slurm means for both AI and traditional HPC.

A few experiences of AI assisted coding in HPC

Can AI Tell You If You’re Reinventing the Wheel?
Is our AI code assistant quietly telling us more than just what the next line of code should be?

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