Name: WLCG/HSF Workshop 2025
Start: 2025-05-05T12:00:00+02:00
End: 2025-05-09T14:35:00+02:00
Location: IJCLab, Paris

WLCG/HSF Workshop 2025

from Monday, May 5, 2025 (12:00 PM) to Friday, May 9, 2025 (2:35 PM)

Monday, May 5, 2025

12:00 PM Registration + Welcome Drink
Registration + Welcome Drink
12:00 PM - 1:30 PM
Room: Auditorium P. Lehmann, Building 200
1:30 PM Opening
Opening
1:30 PM - 2:35 PM
Room: Auditorium P. Lehmann, Building 200
Contributions

1:30 PM Welcome in Orsay - Michel Jouvin (Université Paris-Saclay (FR)) Valerie CHAMBERT

1:45 PM Introduction - WLCG - David Britton (University of Glasgow (GB)) Simone Campana (CERN) Tommaso Boccali

2:10 PM Introduction - HSF - Eduardo Rodrigues (University of Liverpool (GB)) Paul James Laycock (Universite de Geneve (CH))
2:35 PM AI and WLCG/HSF
AI and WLCG/HSF
2:35 PM - 5:40 PM
Room: Auditorium P. Lehmann, Building 200
Contributions

2:35 PM AI & WLCG/HSF - scope of the session - Alessandro Di Girolamo (CERN) Paul James Laycock (Universite de Geneve (CH))

2:40 PM AI and Facilities - Ilija Vukotic (University of Chicago (US))

3:45 PM AI/ML for Physics use cases - Tommaso Boccali

4:20 PM Heterogeneous resources and experiment software - Paolo Calafiura (Lawrence Berkeley National Lab. (US))

4:55 PM Facilitiy view: Heterogenous resources deployment and usage - Ben Jones (CERN) Rodney Walker (Ludwig Maximilians Universitat (DE))

5:20 PM Discussion
6:15 PM Welcome reception
Welcome reception
6:15 PM - 7:45 PM
Room: Cafeteria, building 200
Tuesday, May 6, 2025

8:30 AM Welcome coffee
Welcome coffee
8:30 AM - 9:00 AM
Room: Cafeteria, building 200
9:00 AM Common software and Software Projects
Common software and Software Projects
9:00 AM - 12:30 PM
Room: Auditorium Joliot Curie, Building 100
Contributions

9:00 AM ROOT: Taking stock of the Run 3 experience towards ROOT7 - Danilo Piparo (CERN)

9:30 AM Latest Developments in RooFit and Plans - Jonas Rembser (CERN)

10:00 AM Introduction to the Virtual Research Environment: an end-user perspective - Sukanya Sinha (The University of Manchester (GB))

11:00 AM Accelerating HEP detector simulations using G4HepEm - Mihaly Novak (CERN)

11:20 AM AdePT - Offloading electromagnetic showers in Geant4 simulations to GPU - Severin Diederichs (CERN)
Facilities
Facilities
9:00 AM - 10:30 AM
Room: Auditorium P. Lehmann, Building 200
Contributions

9:00 AM Summary of the HEPiX Spring 2025 Workshop - Jose Flix Molina (CIEMAT - Centro de Investigaciones Energéticas Medioambientales y Tec. (ES))

9:20 AM Status and evolution of French sites - Laurent Duflot (CNRS (FR))

9:40 AM Storage relocation: INFN-CNAF experience - Andrea Rendina
10:30 AM Coffee break
Coffee break
10:30 AM - 11:00 AM
Room: Cafeteria, building 200
11:00 AM Token Migration Plan
Token Migration Plan
11:00 AM - 12:30 PM
Room: Auditorium P. Lehmann, Building 200
Contributions

11:00 AM Token Transition Overview - Maarten Litmaath (CERN)

11:30 AM Tape REST API, Tokens & FTS: A Unified Proposal - Mihai Patrascoiu (CERN)

12:00 PM Discussion
12:30 PM Lunch
Lunch
12:30 PM - 1:45 PM
Room: Cafeteria, building 200
1:45 PM Analysis at scale and analysis challenges
Analysis at scale and analysis challenges
1:45 PM - 6:25 PM
Room: Auditorium P. Lehmann, Building 200
Contributions

1:45 PM Responding Faster: Lessons from a security incident - Jose Carlos Luna Duran (CERN)

2:15 PM User experience - Albert Gyorgy Borbely (University of Glasgow (GB))

2:30 PM CMS analysis facility contribution - Oksana Shadura (University of Nebraska Lincoln (US))

2:45 PM ATLAS analysis facility contribution - Emma Torro Pastor (Univ. of Valencia and CSIC (ES))

3:00 PM Understanding the scale of HL-LHC physics analyses - Alexander Held (University of Wisconsin Madison (US)) Oksana Shadura (University of Nebraska Lincoln (US))

4:00 PM LHCb analysis facility contribution - Nicole Skidmore (University of Warwick)

4:15 PM ALICE analysis facility contribution - Maarten Litmaath (CERN)

4:30 PM Exploiting extremely-parallel technologies for future large-scale physics analyses demands - Jonas Rembser (CERN)

4:50 PM Proposal for Interdisciplinary Analysis Facilities - Thomas Hartmann (Deutsches Elektronen-Synchrotron (DE))

5:05 PM Analysis at the HL-LHC: Data Delivery, ServiceX, and Addressing Our Analysis Challenges - Gordon Watts (University of Washington (US))
Wednesday, May 7, 2025

8:30 AM Welcome coffee
Welcome coffee
8:30 AM - 9:00 AM
Room: Cafeteria, building 200
9:00 AM Sustainable Software
Sustainable Software
9:00 AM - 12:30 PM
Room: Auditorium Joliot Curie, Building 100
Contributions

9:00 AM The European Virtual Institute for Research Software Excellence (EVERSE) - Graeme A Stewart (CERN)

9:20 AM The EVERSE/ESCAPE use cases: evaluating and improving the quality of HEP software - James Smith (The University of Manchester (GB)) Michael Philip Sparks (The University of Manchester (GB)) Tobias Fitschen (The University of Manchester (GB))

9:40 AM The EVERSE Research Software Quality Toolkit - Michael Philip Sparks (The University of Manchester (GB))

11:00 AM Scikit-HEP project news and future directions - Eduardo Rodrigues (University of Liverpool (GB))

11:20 AM Marionette: Data Structure Description and Management for Heterogeneous Computing - Nuno Dos Santos Fernandes (Laboratory of Instrumentation and Experimental Particle Physics (PT))

11:40 AM Julia: Sustainability and Efficiency - Graeme A Stewart (CERN)
Open Technical Coordination Board (TCB#4)
Open Technical Coordination Board (TCB#4)
9:00 AM - 12:30 PM
Room: Auditorium P. Lehmann, Building 200
Contributions

9:00 AM WLCG Technical Roadmap - introduction - Alessandro Di Girolamo (CERN) James Letts (Univ. of California San Diego (US))

9:25 AM Technical Roadmap - setting the scene - estimates of requirements for Run4 and Run5 - Ben Couturier (CERN)

9:45 AM Technical Roadmap - setting the scene - estimates on capacity increase at flat budget scenario - Andrea Sciabà (CERN)

10:00 AM Discussions on the structure and the content of the chapters - Alessandro Di Girolamo (CERN) James Letts (Univ. of California San Diego (US))

11:00 AM Discussions on the structure and content of the chapters - Alessandro Di Girolamo (CERN) James Letts (Univ. of California San Diego (US))
12:30 PM Lunch
Lunch
12:30 PM - 2:15 PM
Room: Cafeteria, building 200
2:15 PM Training Working Group
Training Working Group
2:15 PM - 6:05 PM
Room: Auditorium Joliot Curie, Building 100
Contributions

2:15 PM Overview, goals - Michel Hernandez Villanueva (Brookhaven National Laboratory (US))

2:30 PM The EVERSE training and recognition plan - Kenneth Brian Rioja (IT-FTI)

3:00 PM GWOSC and gravitational-wave data analysis training - Massimiliano Razzano Stefano Bagnasco (Istituto Nazionale di Fisica Nucleare, Torino)

4:00 PM Training on sustainable computing at DESY - Christoph Wissing (Deutsches Elektronen-Synchrotron (DE))

4:30 PM User Learning for ePIC - Holly Szumila-Vance (Florida International University)

5:00 PM HOWTO Train: the HSF Training experience - Michel Hernandez Villanueva (Brookhaven National Laboratory (US))
Operations
Operations
2:15 PM - 6:00 PM
Room: Auditorium P. Lehmann, Building 200
Contributions

2:15 PM Introduction to the OPS session - Julia Andreeva (CERN)

2:20 PM AUDITOR. First results of the assessment by the WLCG sites - Alessandro Pascolini (Universita e INFN, Bologna (IT)) Alexander Raphael Kleinemuhl (Bergische Universitaet Wuppertal (DE)) Maria Alandes Pradillo (CERN) Max Fischer (Karlsruhe Institute of Technology) Michael Boehler (University of Freiburg (DE)) Michael Boehler (Deutsches Elektronen-Synchrotron (DE)) Thomas Hartmann (Deutsches Elektronen-Synchrotron (DE))

4:10 PM Accounting of jobs submitted with tokens and changes required in the WLCG accounting infrastructure. - Tom Dack

4:25 PM GGUS: past, present, future - Aliaksei Hrynevich (Karlsruher Institut für Technologie) Aliaksei Hrynevich (Karlsruhe Institute of Technology (KIT)) Guenter Grein Pavel Weber

5:10 PM Job Allocation and Handling, status report from the WG - Antonio Perez-Calero Yzquierdo (Centro de Investigaciones Energéticas Medioambientales y Tecnológicas)

5:30 PM Security training opportunities - David Crooks
Thursday, May 8, 2025

8:30 AM Welcome coffee
Welcome coffee
8:30 AM - 9:00 AM
Room: Cafeteria, building 200
9:00 AM Environmental Sustainability
Environmental Sustainability
9:00 AM - 12:30 PM
Room: Auditorium P. Lehmann, Building 200
Contributions

9:00 AM Introduction - Caterina Doglioni (The University of Manchester (GB)) David Britton (University of Glasgow (GB))

9:18 AM Power Accounting in Heterogeneous Compute Clusters - Emanuele Simili

9:36 AM Enhancing Job Monitoring with Power Consumption Metrics - Domenico Giordano (CERN) Natalia Diana Szczepanek (CERN)

9:54 AM Energy saving measures during peak summer at DESY - Thomas Hartmann (Deutsches Elektronen-Synchrotron (DE))

10:07 AM GreenDIGIT: updates from the WLCG Environmental Sustainability Workshop - Gergely Sipos

10:20 AM Discussion on power accounting benchmarks part 1: sites perspective

11:10 AM Green software in HEP: benchmarks and studies on MC generators - Luis Villar (University of Manchester) Tobias Fitschen (The University of Manchester (GB))

11:30 AM Environmental impact, carbon and sustainability of computing in the ATLAS experiment - Rodney Walker (Ludwig Maximilians Universitat (DE))

11:45 AM Environmental impact of computing in LHCb - Francesco Sborzacchi (CERN) Henryk Giemza (National Centre for Nuclear Research (PL)) Henryk Giemza (National Centre for Nuclear Research (PL))

11:55 AM Discussion on power accounting and beyond part 2: inputs from sites, users and experimental collaborations
12:30 PM Lunch
Lunch
12:30 PM - 2:15 PM
Room: Cafeteria, building 200

2:15 PM BOF (Birds Of a Feather)
BOF (Birds Of a Feather)
2:15 PM - 5:30 PM
Room: Auditorium Joliot Curie, Building 100
DOMA - Working Groups and Data Challenges
DOMA - Working Groups and Data Challenges
2:15 PM - 5:30 PM
Room: Auditorium P. Lehmann, Building 200
Contributions

2:15 PM Introduction and Status of DOMA - Katy Ellis (Science and Technology Facilities Council STFC (GB)) Johannes Elmsheuser (Brookhaven National Laboratory (US))

2:35 PM Rucio in DOMA - Martin Barisits (CERN)

2:55 PM FTS evolution towards DC27 - Mihai Patrascoiu (CERN) Steven Murray (CERN)

3:45 PM Status of Monitoring of DOMA components - Borja Garrido Bear (CERN)

4:05 PM Status of DOMA BDT activity - Mihai Patrascoiu (CERN) Petr Vokac (Czech Technical University in Prague (CZ))

4:30 PM Mini data challenges - Johannes Elmsheuser (Brookhaven National Laboratory (US)) Katy Ellis (Science and Technology Facilities Council STFC (GB))
3:00 PM Collaboration Board - by invitation only
Collaboration Board - by invitation only
3:00 PM - 5:00 PM
Room: Salle 139, Building 200

8:00 PM Social Dinner
Social Dinner
8:00 PM - 10:30 PM
in [La Mère Catherine][1] [1]: https://lamerecatherine.com/
Friday, May 9, 2025

8:30 AM Welcome coffee
Welcome coffee
8:30 AM - 9:30 AM
Room: Cafeteria, building 200
9:30 AM Closing
Closing
9:30 AM - 12:00 PM
Room: Auditorium P. Lehmann, Building 200
Contributions

9:30 AM Computing Challenges for the Einstein Telescope - Paul James Laycock (Universite de Geneve (CH))

9:50 AM Recap and next steps - DOMA and WLCG Ops - Katy Ellis (Science and Technology Facilities Council STFC (GB)) Panos Paparrigopoulos (CERN)

10:05 AM Recap and next steps - WLCG/HSF Sustainability - Caterina Doglioni (The University of Manchester (GB)) David Britton (University of Glasgow (GB))

10:50 AM Recap and next steps - HSF - Graeme A Stewart (CERN)

11:05 AM Recap and next steps - WLCG Technical Coordination

11:20 AM Recap and next steps - Analysis at scale - Alessandra Forti (The University of Manchester (GB)) Nicole Skidmore (University of Warwick)

11:35 AM Some final words ...
12:00 PM Lunch
Lunch
12:00 PM - 2:00 PM
Room: Cafeteria, building 200

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