62 lines
2.7 KiB
Markdown
62 lines
2.7 KiB
Markdown
---
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title: PSI HPC@CSCS
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#tags:
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#keywords:
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last_updated: 3 May 2024
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#summary: ""
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sidebar: CSCS_sidebar
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permalink: /CSCS/index.html
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---
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## PSI HPC@CSCS
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PSI has a long standing collaboration with CSCS for offering high end
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HPC resources to PSI projects. PSI had co-invested in CSCS' initial
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Cray XT3 supercomputer *Horizon* in 2005 and we continue to procure a share on the
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CSCS flagship systems.
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The share is mainly intended for projects that cannot profit from applying for regular
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[CSCS user lab allocation schemes.](https://www.cscs.ch/user-lab/allocation-schemes).
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We can also help PSI groups to procure additional resources based on the PSI
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conditions - please contact us in such a case.
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### Capacity of PSI resources at CSCS
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For 2024 PSI we have a share of 400'000 NH (Node Hours) on [Piz Daint](https://www.cscs.ch/computers/piz-daint), and 65 TB of storage.
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CSCS plans to decommission Piz Daint during 2024. All allocations
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will be converted to allocations on the new user lab on the CSCS Alps
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infrastructure. Users will be informed about the migration process.
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### How to request a PSI project
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A survey is sent out to subscribed users once per year, usually in the third quarter. It serves for collecting the CSCS resources requests for the upcoming year.
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Users registered in the **PSI HPC@CSCS mailing list** <psi-hpc-at-cscs@lists.psi.ch> will
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be contacted to take part in the yearly survey. Please [subscribe to the list](https://psilists.ethz.ch/sympa/subscribe/psi-hpc-at-cscs) if you are interested.
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Users need to specify in the survey the total resources they intend to
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use next year and also how this is to be split over the 4 quarters
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(e.g. 25%, 25%, 25%, 25%), since CSCS allocates recources on a
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quarterly basis. We provide the possibility to adapt the distribution
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over the course of the active year or shift unused resources to other
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projects (contact us on the mailing list).
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By default allocated nodes are on the CPU partition of PizDaint (36 cores per node).
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However, allocations to the GPU partition are also possible (1 x NVIDIA P100 and 12 cores per
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node).
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### CSCS Systems reference information
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* [CSCS User Portal](https://user.cscs.ch/)
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* [Piz Daint Information](https://www.cscs.ch/computers/piz-daint/)
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* [Piz Daint: One of the most powerful supercomputers in the world](https://www.cscs.ch/publications/news/2017/piz-daint-one-of-the-most-powerful-supercomputers-in-the-world)
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## Contact information
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* PSI Contacts:
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* Mailing list contact: <psi-hpc-at-cscs-admin@lists.psi.ch>
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* Marc Caubet Serrabou <marc.caubet@psi.ch>
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* Derek Feichtinger <derek.feichtinger@psi.ch>
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* Mailing list for receiving user notifications: psi-hpc-at-cscs@lists.psi.ch [(subscribe)](https://psilists.ethz.ch/sympa/subscribe/psi-hpc-at-cscs)
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