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July 2025

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GCS Regular Projects: Call 2025/2 – Application for computing time and extension of expiring projects
by FM-gcs-coordination-office 07 Jul '25

07 Jul '25

Please save the call closing date. Dear Madam/Sir, The Gauss Centre for Supercomputing (GCS) provides computing power and services of the highest performance class for computational sciences and engineering. JSC provides resources on JUWELS (Jülich Wizard for European Leadership Science). Its 2511 nodes on the Cluster Module are equipped with dual-socket Intel-Skylake Platinum 8168 CPUs. Furthermore, the JUWELS Booster Module comprises 936 nodes each equipped with two AMD EPYC Rome 7402 CPUs with 512 GB DDR memory each and 4 NVIDIA Ampere A100 GPUs resulting in an overall computing power of 87 PF/s. The deployment of JUPITER is progressing steadily. However, a full production start is not yet determined. As is to be expected with a system of this complexity, some technical challenges still need to be addressed. Therefore, JUPITER is expected to be available as a GCS production system for computing time applications starting with the 2026/1 call. Please note that the JUWELS Cluster Module might be replaced by a successor cluster system during the upcoming granting period. Granted projects will then be migrated to the new system. Details about the migration process will be announced in due time. Additionally, since the availability of the JUWELS Booster will end in early June 2026, successful project applications will be granted a runtime of only 7 months, starting on 1 November 2025. If you decide to apply for computing time for your project on the JUWELS Booster, you will exceptionally have the opportunity to apply for computing time for the same project on JUPITER in the following call (2026/1). This will allow you to seamlessly continue your project for an additional year beyond the initial six months if needed. The option to request a project extension remains unaffected by this arrangement. Computing time periods have a duration of one year with the possibility of applying twice a year for JUWELS resources. These periods begin on 1 May and on 1 November of each year, respectively. The current call for computing time allocations opens on 7 July 2025 and you are hereby invited to apply for the upcoming period 1 November 2025 – 31 October 2026 The committees of the John von Neumann-Institute (NIC) and the Gauss Centre for Supercomputing (GCS) are responsible for the comparative peer review process. The reviews of the applications are carried out by national and international experts in their respective scientific fields. Applications can be submitted between 7 July 2025 and 11 August 2025, 17:00 CEST Eligible for applications are members of German universities and publicly funded German research institutions, e.g., Max-Planck Society, and Helmholtz Association. Applications for GCS Regular Projects must be submitted electronically via the GCS-JARDS form at https://jards.gauss-centre.eu/gcshome/application/ Late applications will not be considered. Further information can be found on our web page: https://www.fz-juelich.de/en/ias/jsc/systems/supercomputers/apply-for-compu… Moreover, all important information with respect to the application procedure is presented in the following fact sheet: https://jards.gauss-centre.eu/PublicFiles/FactSheets/FactSheet-GCS-NIC-JUWE… GCS also offers the possibility to submit so called “Large Scale” (LS)-projects. Further information on this was sent to you in a separate e-mail. Computing time applications must not overlap, for example if a project has been granted computing time for the period 1 May 2025 – 30 April 2026 it is not possible to apply for additional computing time for this project in this call. Please note, that computing and data resources, as well as access to the JSC HPC infrastructure, are provided to the best of our ability. However, approved resources are not guaranteed. We reserve the right to limit the availability of resources if external conditions such as force majeure, obligations to save electricity, or other circumstances make this necessary. Resources lost in such cases will not be refunded. If you have any questions, please do not hesitate to contact our coordination office: coordination-office(a)gauss-centre.eu. Kind regards, Alexander Trautmann -- Dr. Alexander Trautmann GCS Coordination Office for the Allocation of Computing Time c/o Juelich Supercomputing Centre (JSC) Forschungszentrum Juelich 52425 Juelich, Germany Phone: +49 2461 61 2200 Web : http://www.fz-juelich.de/ias/jsc --------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------- Forschungszentrum Jülich GmbH 52425 Jülich Sitz der Gesellschaft: Jülich Eingetragen im Handelsregister des Amtsgerichts Düren Nr. HR B 3498 Vorsitzender des Aufsichtsrats: MinDir Stefan Müller Geschäftsführung: Prof. Dr. Astrid Lambrecht (Vorsitzende), Dr. Stephanie Bauer (stellvertretende Vorsitzende), Prof. Dr. Ir. Pieter Jansens, Prof. Dr. Laurens Kuipers --------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------

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GCS Call 2025-2 for Large-Scale Projects on Hunter, JUWELS und SUPERMUC-NG (Call 34)
by FM-gcs-coordination-office 07 Jul '25

07 Jul '25

Please save the call closing date. Dear Madam/Sir, The Gauss Centre for Supercomputing (GCS) provides computing power and services of the highest performance class for computational sciences and engineering at its three member sites in Garching (Leibniz Supercomputing Centre, LRZ), Jülich (Jülich Supercomputing Centre, JSC), and Stuttgart (High Performance Computing Center Stuttgart, HLRS). Projects are classified as “Large-Scale”, if they request >= 25.000 Hunter-node-hours per year on Hunter or >= 45 million core-hours per year on SuperMUC-NG Phase 1 or >= 140,000 GPU-h on SuperMUC-NG Phase 2 or >= 45x10^21 FLOP per year on JUWELS Please note that SuperMUC-NG Phase 1 is currently the last large CPU-only deployment within GCS and will be operated at most for two more years. The compute power of forthcoming machines will be largely provided by accelerators in the foreseeable future. Accordingly, code porting to GPUs will be required to use these machines. Please check out training offers and contact the local application support teams of the centres. The deployment of JUPITER is progressing steadily. However, a full production start is not yet determined. As is to be expected with a system of this complexity, some technical challenges still need to be addressed. Therefore, JUPITER is expected to be available as a GCS production system for computing time applications starting with the 2026/1 call. For these large-scale projects, a competitive review and resource allocation process is established by the GCS. A "Call for Large-Scale Projects" is published by GCS twice a year: https://jards.gauss-centre.eu/PublicFiles/GCS-LS-Call/GaussCall.pdf The current call 2025-2 will be open July 7th to August 11th 2025, 17:00 CEST (strict deadline). The current call covers the period from November 1, 2025, to October 31, 2026. Eligible for applications are members of German universities and publicly funded German research institutions, e.g., Max-Planck Society, and Helmholtz Association. Applications for large-scale projects must be submitted electronically via the GCS-JARDS form at https://jards.gauss-centre.eu/gcshome/application/ All important information with respect to the application procedure is presented here: HUNTER: https://jards.gauss-centre.eu/PublicFiles/FactSheets/FactSheet-GCS-HUNTER.p… https://www.gauss-centre.eu/for-users/hpc-access/instructions-for-hunter JUWELS: https://jards.gauss-centre.eu/PublicFiles/FactSheets/FactSheet-GCS-NIC-JUWE… https://www.gauss-centre.eu/for-users/hpc-access/instructions-for-juwels SUPERMUC-NG: https://jards.gauss-centre.eu/PublicFiles/FactSheets/FactSheet-GCS-SUPERMUC… https://www.gauss-centre.eu/for-users/hpc-access/instructions-for-supermuc-… For more details and template files, please visit the GCS website: https://www.gauss-centre.eu/for-users/hpc-access If you have any questions, please do not hesitate to contact our coordination office: coordination-office(a)gauss-centre.eu. Kind regards, Alexander Trautmann -- Dr. Alexander Trautmann GCS Coordination Office for the Allocation of Computing Time c/o Juelich Supercomputing Centre (JSC) Forschungszentrum Juelich 52425 Juelich, Germany Phone: +49 2461 61 2200 Web : http://www.fz-juelich.de/ias/jsc --------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------- Forschungszentrum Jülich GmbH 52425 Jülich Sitz der Gesellschaft: Jülich Eingetragen im Handelsregister des Amtsgerichts Düren Nr. HR B 3498 Vorsitzender des Aufsichtsrats: MinDir Stefan Müller Geschäftsführung: Prof. Dr. Astrid Lambrecht (Vorsitzende), Dr. Stephanie Bauer (stellvertretende Vorsitzende), Prof. Dr. Ir. Pieter Jansens, Prof. Dr. Laurens Kuipers --------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------

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