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# System prepended metadata

title: EasyBuild User Meeting 2025 (EUM'25)

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# EasyBuild User Meeting 2025 (EUM'25)

## Dates & venue

* Tue-Thu 25-27 March 2025
* Rotunda meeting room at Jülich Supercomputing Centre, Jülich (Germany)
* https://easybuild.io/eum25
* registration open since 14 Jan 2025
    * (20250213) 51 registrations
        * incl. 8 remote ones (12 unclear on in-person vs remote)
        * incl. 9 from JSC (in-person)
        * 10 EasyBuild maintainers (1 + retired maintainer)
        * 6 from companies (Do IT Now, E4, INUITS, Red Oak Consulting, Fraunhofer, Meteomatics AG, NVIDIA)
        * 2(+1) in-person from outside Europe
        * not registered yet but coming in-person: Robert McLay (TACC)

## Things to discuss

- ...

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## Next sync meeting

- Wed 5 Mar 16:00 CET (except Damian)

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## Sync meeting (20250305)

- program
    - (Kenneth) fix speaker for JUPITER talk to Damian
    - (Kenneth) confirm talk with Michael Klemm
    - (Kenneth) confirm remote talk on Waldur
- DC tour
- (Kenneth) re-open register for online attendance via event.ugent.be
- let Markus Wagner register for in-person
- dinners
    - Mon dinner @ https://cafe-extrablatt.de/standorte/details/cafe-extrablatt-juelich/ (self-funded, walkable)
    - Tue dinner (JSC)
    - Wed dinner (INUITS) reserved => ok to pay by invoice, requires confirmation letter
    - Thu dinner (INUITS) reserved => awaiting feedback on paying by invoice
- social event
    - kart center: still awaiting confirmation letter from Do IT Now
        - should be using `@doitnowgroup.com` email
- event catering: all good
- (Kenneth) name tags
    - incl. logos/sponsors/GitHub handle
- (Kenneth) cars puzzle
    - separate for Julich to JSC + social event
- (Bernd,Kenneth) email with practical info
    - informan dinner Monday @ Extrablatt
    - get badge on Monday if possible (until what time? 17:00?)
    - badge on Tue morning early enough (by 9am at least)
    - mobile phone numbers for last-minute info
- (Alan) recording/streaming
    - standard HDMI OK for speakers
    - watermark EB easybuild.io/eum25
    - Zoom session via Univ. of Birmingham
    - stream/record via OBS (Alan)

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## Sync meeting (20250214)

- 50 max w.r.t in-person registrations + group dinners
    - 40 max with tables for everyone
    - 45 would be optimal for group dinner + social event
    - registration closed now, need to check if we still have seats
- social event
    - can we work it out without renting a bus?
    - ask Eli to provide "written promise of payment"
- sponsoring
    - JSC: catering (coffee/lunch) + 1 group dinner (Tue Jougoslavian)
    - Do IT Now: social event (Wed)
    - INUITS/Azure: 2 group dinners (Wed Italian + Thu smaller group)
        - via invoice
- restaurants
    - booked for Tuesday + Thursday at 19:30 => 19:00
    - not yet for Wednesday
    - Tue: https://www.hotel-hexenturm.de/restaurant/ => JSC
    - Wed (to book): https://lapiazza-kerpen.de/ => INUITS (invoice)
    - Thu: https://einhorn-juelich.de/ => INUITS (invoice)
- closing party on Thursday?
    - via Alexandre
- questions on missing information to people who registered => Kenneth
    - in-person or remote per day
    - will you join dinner Tue/Wed/Thu
    - closing party
    - attend social event
    - car available + how many free seats
- are all speakers registered? => Kenneth

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## Sync meeting (20250121)

### Sponsoring

- JSC
    - lunch + coffee breaks?
- [Kenneth] Microsoft/INUITS combo sponsoring: for what (dinner, social event, ...)?
    - not sure this is going to fall through, TBD
- HPCNow has confirmed they will sponsor \o/
    - group dinner
- maybe AMD via JP?
- ~~INUITS?~~

### Practical

- live streaming of talks (Sebastian/Alan will take care of this)
    - Rotunda streaming setup is not super-stable...
    - Sebastian can look into solutions/other options that
    - Alan has good setup he can bring
    - wired connection possible?
- social event on Wed afternoon (Bernd?)
    - bus (how many seats)?
    - who has a car to take people?
    - book indoor for 1h?
        - 2x 10min race per person?

### Agenda

- Tue
    - (10:00) keynote 1h
    - (11:00) state of the union
    - 13:00) EB5
    - 13:30-14:30) 2 talks
    - 14:30) coffee break
    - 15:00) 1h => 2 talks
    - 16:00) JUPITER (Damian/Benedikt + Sebastian software)
    - (17:00-18:00) tour of JUPITER (?)
- Wed
    - (09:00) keynote
    - (10:00) 1/2 talks + coffee break
    - (11:00) 1h (2-3 talks)
    - (13:00) 2h (4-6 talks)
    - (15:00) end Wed
    - (15:00-18:00) social event
        - bus?
- Thu
    - (09:00) 1h keynote
    - (10:00) coffee
    - (10:30) 3-4 talks
    - (12:00) lunch
    - (13:00-14:30) 1.5h => 4 talks on testing & CI
    - 14:30) coffee
    - (15:00) 1h => 2 talks
    - (16:00) end Thu

- keynote(s)?
	- x [Kenneth] EFP (Henrik Nortamo, CSC?)
	    - Thu morning?
	- x [Kenneth] JP Lehr (AMD) on ROCm?
	    - Tue morning?
	- x [Kenneth] Jeff Hammond (NVIDIA) on common MPI API?
		- https://dl.acm.org/doi/fullHtml/10.1145/3615318.3615319
		- Wed morning first talk
- EasyBuild related
	- x State of the Union - 1h [Kenneth]
	- x EasyBuild 5.0 - 30min [Simon?]
	- Clang vs GCC (compiler in foss) - 30min [Davide (CECAM)?]
	- OpenGL - 30min (Jens-Henrik, JSC)
	- Getting Started as EasyBuild Contributor - 15-30min (Jan, JSC)
	- site talks (~15min):
		- (attendees)
- EESSI-related (Thu)
	- INUITS: improving GPU support in EESSI (Pavel G.) ???
	- EESSI intro/update (who?) (Lara, UGent)
	- ~~Thomas' FOSDEM talk: RDM on top of EESSI~~ (Thomas is not attending EUM)
	- SURF Research Cloud (via Ivar) - 15min
	- EESSI test suite 15min (Caspar, SURF)
	- Magic Castle (Alan) - 20min
	- MultiXscale - 15min (Alan)
	- LEXIS (Martin @ IT4I, REMOTE?) - 20min
	- 1h30min Thu after lunch
	    - EESSI CI/CD (GitHub/GitLab CI, dev.eessi.io) - 15min (Pedro, RUG)
	    - ReFrame (Vasileios?) [remote?]
	    - ~~Ramble (Doug Jacobsen @ Google) [remote] - 20min?~~ (nobody can make it to give a remote talk, so scratched)
	    - Continuous Benchmarking (Dirk Brömmel), see https://zenodo.org/records/14500262
	    - also extra talk via Jayesh Badwaik on Cont. Benchmarking (see DM Kenneth in EasyBuild Slack)
- non-EasyBuild talk ideas (to invite) [Tue-Wed]:
	- Brian Wylie (JSC): POP3 - Jan can invite
	- Bernd Mohr: How to retire in HPC - Jan can invite (last talk)
	- Markus Geimer: Scalasca - Jan can invite
    - x JUPITER (Benedikt or Damian, JSC) - 1h
        - also covering software stack (maybe by Sebastian)
	- Do IT Now (Helena, sponsor talk)
	- Lmod: Robert McLay/Matt [in person] - 30min?
	- Environment Modules: Xavier
	- Open OnDemand? [remote?]
	- Spack update (Todd) [remote] - 20min?
	- Blablador + state of (open) LLMs (Alexandre Strube) - 20min

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## Kickoff meeting (20241011)

* in Jülich
    * somewhat connected to JUPITER
    * actual tour of JUPITER may be difficult in April'25
    * 
* when?
    * usually ~April
    * Easter: 20 April 2025
        * 14-25 April is Easter holidays in Germany
        * in Belgium: 7-18 April
    * other events
        * ISC'25 in Hamburg: 10-13 June 2025
        * EuroHPC Summit in Poland: 18-20 March
    * Tue-Thu 1-3 April or Tue-Thu 8-10 April 2025
        * Rotunda meeting room is booked for these weeks
    * **Mon-Fri 24-28 March 2025: Rotunda is free**
        * max. capacity: 60 => 50 seats max.
        * with tables: ~40
    * Mon-Wed 28-30 April 2025: Rotunda is free
        * Thu 1 May is public holiday
        * less ideal option
* logistics
    * https://www.fz-juelich.de/en/about-us/contact-visitor-information/how-to-reach-us
    * hotels in Jülich are limited, so people NEED to book early!!!
        * In Jülich (with Bus connection to Lab)
            * Stadthotel Jülich, https://www.stadthotel-juelich.de/ 
            * Hotel am Hexenturm, https://www.hotel-hexenturm.de/
        * In Jülich (BUT 1.5km/20min walk to bus)
            * JUFA Hotel im Brückenkopfpark/Jülich, https://www.jufahotels.com/hotel/juelich/ 
        * In villages close to Jülich (BUT need car, 10min drive)
            * Gut Alte Burg Hotel, https://www.gut-alte-burg.de/	
            * Hotel Royal, https://www.a-hotel.com/	
            * Burg Obbendorf, https://www.burgobbendorf.de/ 
        * In Düren (45min on-way trip combined walk+train)
            * Hotel Dorint, https://hotel-dueren.dorint.com/de/


    * hybrid meeting: on-site + Zoom/YouTube
        * Alan can take care of hybrid aspect (if he's attending)
    * built-in Zoom (Polycom) in Rotunde
        * sometimes unreliable, so maybe avoid it
    * registration
        * preferably at JSC (via Indico), for visitor pass
        * should be both in-person or remote
        * group dinners, etc.
* sponsoring
    * catering
        * JSC can cover lunches / coffee breaks (drinks only)
            * 3 lunches, 6 coffee breaks (+ 1 dinner)
        * JSC could cover 1 group dinner
            * at least 50% should be external, ideally 2/3rd external
    * external sponsors (for dinner, or ...)
        * possibly INUITS, Microsoft, ...
* agenda
    * JUPITER
    * History of EasyBuild @ JSC
    * Performance tools (POP, etc.)
    * keynote?
        * NVIDIA?
        * AI?
* social event
    * M. Schumacher kart center (https://www.ms-kartcenter.de)
        * actual racing karts!
        * 1h => 70 euro/kart (indoor: 18 karts, outdoor: 23 karts)
        * can handle 40-50 people
        + bus to get there (~40min)
        + afternoon event
        * restaurant afterwards
        * external sponsor?
    * alternatives:
        * local mining operations tour
        * dinner in Aachen + city tour