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# System prepended metadata

title: EESSI/AWS sync meetings

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# EESSI/AWS sync meetings

- link to AWS project doc: https://docs.google.com/document/d/1CHG9fCh2LkfJ-EI8J-_Wr5NpHL5iwm8Wu6syfK9h7-c

## Next meeting

- Every 2 months on 2nd Thursday, 13:00 GMT/BST a.k.a. 14:00 CE(S)T
    - Thu 14 Mar 2024
    - Thu 9 May 2024 => move to June?

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## Notes 28 Aug 2025 (11:00 UTC)

attending:
- Brendan (AWS)
- Alan (CECAM/EESSI)
- Kenneth (HPC-UGent/EESSI)
- Bob (RUG/EESSI)

### Notes

- adoption of EESSI
    - 40+ systems (see https://www.eessi.io/docs/systems)
    - some looking into using EESSI as a base software stack
        - like MUSICA @ Austria
    - mandate for EuroHPC systems via EuroHPC Federation Platform
- status on sponsored AWS credits
    - ~28k left (with end date of 31 Oct'25)
        - => extended to 31 Dec'25
    - current burn rate ~7k
    - schedule meeting with Brendan mid Nov'25
        - reInvent week (1-5 Dec) will be quiet for Brendan
    - one-page summary, just text => in next 2 weeks
        - what is EESSI
        - spread (adoption in EFP)
            - award: https://www.eessi.io/docs/blog/2024/11/18/hpcwire-readers-choice-awards-2024-for-eessi/
        - progress made curtosy of the AWS credits
        - future plans
- GPU support matrix
    - https://www.eessi.io/docs/software_layer/gpu_targets
    - single-GPU instance now possible in AWS?
- presence at Supercomputing'25
    - EESSI BoF proposal was rejected
    - could consider tutorial submission on CI/CD in HPC context
    - EFP related activity at EuroHPC booth at SC'26?
- MPI injection w/ EFA
    - EESSI recipe for ParallelCluster
    - EESSI in Parallel Computing Service (PCS)
        - UI in AWS Console to create clusters
        - Slurm operated/updated by AWS
            - after confirmation for major Slurm updates
        - post-install script to add EESSI (Packer script)
        - https://github.com/aws-samples/aws-hpc-recipes/tree/main/recipes/pcs
        - https://github.com/aws-samples/aws-hpc-recipes/blob/main/recipes/env/eessi/assets/postinstall.sh
        - Squid caching aspect => on PCS login node
            - could be via auto-discovery thing in CernVM-FS
        - (additional) AWS-specific mirrors
            - run by EESSI through sponsored credits
            - CDN services may also be useful here
        - status of MPI libraries in those images?
            - docs refer to EFA docs
            - Matt Vaugn tutorial videos
                - like https://www.youtube.com/watch?v=3ysMkZrDlGI
- AWS blog post on EESSI in PCS
    - ingested by ChatGPT/Claude & co
    - aim for "active voice" format
    - see HPC blog channel
    - send draft to Brendan
    - keep scripts in Git repo, easier to maintain
- SC/reInvent attract a lot of attention

## Notes 24 Oct 2024 (11:00 UTC)

attending:
- Brendan (AWS)
- Pedro (HPCNow!)
- Alan (CECAM/EESSI)
- Kenneth (HPC-UGent/EESSI)

- PR open to AWS Recipes to make EESSI available
    - see https://github.com/aws-samples/aws-hpc-recipes/pull/40
    - post-install script for ParallelCluster
    - Alan spent some time on looking into performance comparison with Spack, but took a long time
- new AWS service: PCS (sort of a managed ParallelCluster service)
    - waiting on CloudFormation support to fully automate it, 1-click launch of a cluster
- support architectures
    - Graviton 4 is quite close to NVIDIA Grace
    - significant speedup with Graviton 4 
- credits
    - Brendan will top up sponsored credits for next year
- SC24
    - no customer talks at AWS booth
- Tech Short with update on EESSI
    - scheduled for Thu 28 Nov
- HPSF

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## Notes previous meetings

- 24 Oct 2024: https://github.com/EESSI/meetings/wiki/AWS-meeting-2024-10-24
- 14 Mar 2024: https://github.com/EESSI/meetings/wiki/AWS-meeting-2024-03-14
- 12 Oct 2023: https://github.com/EESSI/meetings/wiki/AWS-meeting-2023-10-12
- 14 Sept 2023: no notes were taken :(
- 10 Aug 2023: https://github.com/EESSI/meetings/wiki/AWS-meeting-2023-08-10
- July 2023: (skipped)
- 8 June 2023: https://github.com/EESSI/meetings/wiki/AWS-meeting-2023-06-08
- 11 May 2023: https://github.com/EESSI/meetings/wiki/AWS-meeting-2023-05-11
- 13 April 2023: https://github.com/EESSI/meetings/wiki/AWS-meeting-2023-04-13
- 9 Mar 2023: https://github.com/EESSI/meetings/wiki/AWS-meeting-2023-03-09
- 11 Jan 2023: https://github.com/EESSI/meetings/wiki/AWS-meeting-2023-01-11