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2025-09-29: New GPUs and Partitions

The HPC Gateway initiative of the Helmholtz society aims to opens access to the Helmholtz Association's world-leading HPC infrastructure for businesses and connects them with AI experts. The initiative particularly supports projects in the areas of AI, digital twins, and HPC-based innovations. See Helmholtz press release for more information.

New GPU hardware has been funded by HPC Gateway, and became now part of the Maxwell cluster. The hardware is specifically serving industry to support and initiate AI activities. The hardware comprises 8 nodes with 4xH200-NVL and 1.5TB of ram each. Have a look at the page for the hpcgwgpu partition for more details. The hpcgwgpu partition is dedicated to co-operations with industry and not available otherwise.

The partition comgpu makes the precious hardware available to all Maxwell users. Jobs in the comgpu partition are (not suprisingly) subject to preemption (by jobs in the hpcgwgpu partition). However, we expect the preemption-rate to be much lower than in the allgpu-partition, particularly in the early phase of the HPC Gateway project.

Please note: due to the nature of the HPC Gateway project, only software allowing commercial use is available in on HPC Gateway hardware. Tools like Matlab, Mathematica, Ansys, IDL or similar are not available in partitions hpcgwgpu or comgpu.

Acknowledgements of the Maxwell cluster and - if appropriate - the HPC Gateway project in your publications would be greatly appreciated.

2025-09-01: Solaris subcluster in Maxwell

the solaris sub-cluster in Maxwell serves in particular non-demanding batch and interactive jobs.

We have recently added a bit of hardware and a number of services to solaris.

Hardware

solaris is kind of a retirement home for old hardware. Selected pieces of hardware have been retired in Maxwell, but can still serve some purpose in the solaris subcluster. We habe recently added P100 GPU nodes to solaris, as well as ARM-processors.

The P100 GPUs are ancient, and not supported with CUDA 13, but can still be used for developments and graphical applications suffering from memory and core limitations on the display nodes.

The ARM cpus are of type ARM ampere Neoverse-N1. The ARM processor has an entirely different architecture, and x86-software will hence not work. However, the ARM processors might still be useful for developments and tests.

Services

solaris meanwhile also comes with a portal exposing the same services as the Maxwell portal. It offers in particular a dedicated jupyterhub supporting all hardware platforms (cpus, gpus, arm).

2025-07-13: pixi

pixi has been added. pixi is a powerfull package manage and an excelent alternative to conda, pip et al.. It's particularly great to package and deploy complete environments in arbitrary locations. Added a thin container around a self-extracting pixi package allows to manage and version environments through the container registry.

2025-06-25: power-saving until 2025-07-31

Update: powersaving measures have finished

The maxwell cluster is running at reduced capacities Due to power-saving requirements. Until end of July, about 250 compute nodes are reserved daily for the time 11:00-15:00, and are being powered off for the duration.

The reserved nodes will not accept any long running jobs colliding with the reservations. Jobs fitting inbetween daily reservations will not be impacted.