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Copy file name to clipboardExpand all lines: docs/clusters/daint.md
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@@ -10,6 +10,7 @@ Daint is the main [HPC Platform][ref-platform-hpcp] cluster that provides comput
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Daint consists of around 800-1000 [Grace-Hopper nodes][ref-alps-gh200-node].
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The number of nodes can vary as nodes are added or removed from other clusters on Alps.
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See the [Slurm documentation][ref-slurm-partitions-nodecount] for information on how to check the number of nodes.
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There are four login nodes, `daint-ln00[1-4]`.
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You will be assigned to one of the four login nodes when you ssh onto the system, from where you can edit files, compile applications and launch batch jobs.
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* the `xfer` partition is for [internal data transfer][ref-data-xfer-internal].
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* the `low` partition is a low-priority partition, which may be enabled for specific projects at specific times.
Copy file name to clipboardExpand all lines: docs/clusters/eiger.md
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Eiger is an Alps cluster that provides compute nodes and file systems designed to meet the needs of CPU-only workloads for the [HPC Platform][ref-platform-hpcp].
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!!! under-construction
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This documentation is for the updated cluster `Eiger.Alps` reachable at `eiger.alps.cscs.ch`, that has replaced the former cluster as of June 30 2025.
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The previous [Eiger User Guide](https://confluence.cscs.ch/spaces/KB/pages/284426490/Alps+Eiger+User+Guide) is still available on the legacy Knowledge Base.
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!!! note
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This documentation is for the updated cluster `Eiger.Alps` reachable at `eiger.alps.cscs.ch`, that replaced the former cluster as on July 1 2025.
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!!! change "Important changes"
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??? change "Important changes from Eiger"
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The redeployment of `eiger.cscs.ch` as `eiger.alps.cscs.ch` has introduced changes that may affect some users.
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### Breaking changes
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### Unimplemented features
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!!! under-construction "Jupyter and FirecREST is not yet available"
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[Jupyter and FirecREST][ref-firecrest] have not been configured on `Eiger.Alps`.
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!!! under-construction "Jupyter is not yet available"
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[Jupyter][ref-jupyter] has not yet been configured on `Eiger.Alps`.
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**They will be deployed as soon as possible and this documentation will be updated accordingly**
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**It will be deployed as soon as possible and this documentation will be updated accordingly**
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### Minor changes
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### Compute nodes
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Eiger consists of multicore [AMD Epyc Rome][ref-alps-zen2-node] compute nodes: please note that the total number of available compute nodes on the system might vary over time, therefore you might want to check them with the Slurm command `sinfo -s`.
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```
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PARTITION AVAIL TIMELIMIT NODES(A/I/O/T) NODELIST
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debug up 30:00 0/12/0/12 nid[002236-002247]
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xfer up 1-00:00:00 0/4/0/4 nid[002232-002235]
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prepost up 30:00 0/560/0/560 nid[001000-001023,001028-001031,001064-001127,001160-001191,001256-001267,001272-001287,001320-001447,001504-001539,001541-001543,001573-001599,001640-001767,001797-001799,001829-001831,002152-002231]
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normal* up 1-00:00:00 0/560/0/560 nid[001000-001023,001028-001031,001064-001127,001160-001191,001256-001267,001272-001287,001320-001447,001504-001539,001541-001543,001573-001599,001640-001767,001797-001799,001829-001831,002152-002231]
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low up 1-00:00:00 0/560/0/560 nid[001000-001023,001028-001031,001064-001127,001160-001191,001256-001267,001272-001287,001320-001447,001504-001539,001541-001543,001573-001599,001640-001767,001797-001799,001829-001831,002152-002231]
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```
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Additionally, there are four login nodes with hostnames `eiger-ln00[1-4]`: .
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Eiger consists of multicore [AMD Epyc Rome][ref-alps-zen2-node] compute nodes: please note that the total number of available compute nodes on the system might vary over time.
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See the [Slurm documentation][ref-slurm-partitions-nodecount] for information on how to check the number of nodes.
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Additionally, there are four login nodes with hostnames `eiger-ln00[1-4]`.
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### Storage and file systems
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### Jupyter and FirecREST
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!!! under-construction "FirecREST is not yet available"
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[Jupyter and FirecREST][ref-firecrest] have not been configured on `Eiger.Alps`.
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[Jupyter][ref-jupyter] has not yet been configured on `Eiger.Alps`.
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**They will be deployed as soon as possible and this documentation will be updated accordingly**
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**It will be deployed as soon as possible and this documentation will be updated accordingly**
The flags `--account` and `-Cmc` that were required on the old Eiger cluster are no longer required.
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The flags `--account` and `-Cmc` that were required on the old [Eiger][ref-cluster-eiger] cluster are no longer required.
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## Prioritization and scheduling
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For example, CPU-only nodes may have configurations optimized for multi-threaded CPU workloads, while GPU nodes require additional parameters to allocate GPU resources efficiently.
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Slurm ensures that user jobs request and receive the appropriate resources while preventing conflicts or inefficient utilization.
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[](){#ref-slurm-partitions-nodecount}
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!!! example "How to check the partitions and number of nodes therein?"
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You can check the size of the system by running the following command in the terminal:
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