# 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