Public minutes of 116th SB meeting on September 27th, 2019

Present: Makoto Asai, Marc Verderi, Susanna Guatelli, Daren Sawkey, Soon Yung Jun, Dennis Wright, Koichi Murakami, Takashi Sasaki, Gabriele Cosmo, Gunter Folger, Ben Morgan, Ivana Hrivnacova, Alberto Ribon, Mihaly Novak, Vladimir Ivanchenko, Laurent Garnier, John Allison (OB Liaison), Luciano Pandola

Excused: Hisaya Kurashige, Alex Howard, Witek Pokorski

1. Regular items

• The open requirements, pending actions, status of long open bug reports, as well as physics and computing performance monitoring are reviewed.
• The latest development release (Sep.02) showed sizable (3-5% with FTFP/QGSP_BERT, especially at high energy (50GeV)) performance improvements in both CPU and memory w.r.t the previous development release (Aug.14)

2. 10.6 release

• See presentation of closing session at the Collaboration Meeting
• MacOS High-Sierra might be dropped from testing in 2020.
• Final release date: 6 December 2019
  • October 25th - GROUP-1 categories deadline
    • configuration, analysis, global, materials, graphics_reps, intercoms, geometry/management, particles, track
  • November 1st - GROUP-2 categories deadline
    • rest of geometry, processes (management, transportation, electromagnetic, scoring), digits_hits, tracking
  • November 8th - GROUP-3 categories deadline
    • the rest of processes, parameterisations, event, run, readout, persistency, physics_lists, visualization, interfaces, g3tog4, error_propagation, examples, environments

3. New requirements

• There are several new requirements identified at the collaboration meeting and associated technical forum.
  • Collaboration Meeting requirements talks
  • Technical Forum agenda
• We will evaluate them and update the requirements tracking system.

4. AOB

4.1 Recent events

• UK HEP Community Meeting: https://conference.ippp.dur.ac.uk/event/826/
  • Lots of interest in Geant4/Simulation towards HPC/GPU

4.2 Near future events

• 14th Geant4 Space Users Workshop, Korinthia (Greece), 20-23 October 2019
• IEEE NSS/MIC, Manchester (UK), 28 October - 1 November 2019
• Calorimetry for the High Energy Frontier (CHEF) 2019, Fukuoka (Japan), 25-29 November 2019
• Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020, Chiba (Japan), 18-22 May 2020
• Tutorials
  • Geant4 Japanese tutorial for Detector Simulation, Kyoto University, 5-7 November 2019
  • VIII International Geant4 School, Belgrade, 17-22 November 2019
  • Geant4 School (beginners and advanced users) and Monte Carlo workshop for medical physics, University of Wollongong, 2-8 December 2019

4.3 AOB

• Shaping Geant4 version 11
  • Starting identifying the major developments of next year.
  • Also mandatory to identify what will be deprecated, so to add appropriate deprecation warning messages altready in this year release 10.6.

Meeting Date

Friday, September 27, 2019 - 12:00