Public minutes of 106th SB meeting on February 8th, 2018

Present: Makoto Asai, Gabriele Cosmo, Andrea Dotti, Dennis Wright, Koichi Murakami, Daren Sawkey,, Soon Yung Jun, Sébastien Incerti,, Alberto Ribon, Alexander Howard, Gunter Folger, Ivana Hrivnacova, Ben Morgan, Luciano Pandola, Vladimir Ivantchenko, Marc Verderi, Laurent Garnier

Excused: Hisaya Kurashige, John Allison (OB liaison)

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1. Regular items

• The open requirements, pending actions, status of long open bug reports, as well as physics and computing performance monitoring are reviewed.

1. 2018 Collaboration processes

• 2018 census result was reviewed.
• Election of WG coordinator / representative
  • Election method has to be agreed within each working group.
  • Election should start immediately and should be concluded by February 28th.
  • The next Steering Board meeting will be in early March and will be a transitional SB meeting
    • First part is composed by the current membership to endorse the elections
    • Second part is composed by the fresh membership.
• 2018 work plan
  • WG-level 2018 work plan has to be created during the WG election period.
    • Then work items will be discussed at early March SB meeting
    • Based on the discussion at the next SB meeting, collaboration-wide 2018 work plan will be created and announce.

1. Git migration​

• Efforts are undergoing.
• Two switchover options are anticipated:
  • March-April or end-of-June (post-Beta release)
    • ​Date will be fixed at the next SB meeting, based on the status of remaining work/test.
    • Note in particular that the switchover will be “hard”: i.e. SVN will be frozen.
    • A downtime of a few days is foreseen with Git access limited to Git migration task force to verify the correctness of the new system.
• Need volunteers to help with testing, documentation, etc.
  • Prototype repository: https://gitlab.cern.ch/geant4/geant4-git-prototype

1. Drupal-7 migration

• Propose to switch in the second half of February
• Short downtime is foreseen. Announcement will be made in advance.

1. AOB

5.1 Recent events

• 46th Geant4 Technical Forum, CERN, Geneva (Switzerland), 17 January 2018.
  • Minutes
• ​The next Technical Forum is targeted in the first half of April.

5.2 Near future events

• Joint WLCG & HSF Workshop 2018, Napoli (Italy), 26-29 March 2018.
• ICHEP 2018, Seoul (Korea), 4-11 July 2018.
  • One abstract submitted to publication board
• CHEP-2018, Sofia (Bulgaria), 9-13 July 2018.
  • ​Four abstracts are submitted to publication board
• 23rd Geant4 Collaboration Meeting, Lund University, Lund (Sweden), 27-31 August 2018.
• 2018 IEEE/NSS/MIC, Sydney (Australia), 10-17 November 2018.
  • ​Abstracts submission deadline May 9th.
• Tutorials
  • Training course at TUM-Munich https://indico.ph.tum.de/event/3955/ (16-20 Apr).
  • Geant4 Course at the 15th Seminar on Software for Nuclear, Sub-nuclear and Applied Physics, Porto Conte, Alghero (Italy), 27 May - 1 June, 2018.
    • This time, the course is dedicated to medical application.
  • Geant4 tutorial supported and organised by The Doctoral School PHENIICS, Université Paris-Saclay, LAL Orsay, 14-18 May.
    • Organized by doctoral school (not CNRS this time)
    • Announcement to be made soon
  • 7th International Geant4 Tutorial, KIRAMS, Seoul, July 9-13. Organised by KISTI, NCC and KIRAMS.
  • Tutorial in Oulan Baator, Mongolia, September 17-21
  • Geant4 short course at the next African School of Physics in Namibia

5.3 AOB

• Migration of Geant4 threading system to C++11
  • Adopting C++11 MT features instead of POSIX ones
    • Should allow porting of MT on Windows.
  • A quiet development period will be used to perform the migration
    • The SB will coordinate the dates of tags delivery, as no other tags will be allowed during the migration.

Meeting Date

Thursday, February 8, 2018 - 12:00