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EP R&D Software Working Group Meeting

Europe/Zurich
32/1-A24 (CERN)

32/1-A24

CERN

40
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Videoconference
EP R&D Software Working Group Meeting
Zoom Meeting ID
62893115044
Host
Graeme A Stewart
Alternative host
Andre Sailer
Useful links
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Zoom URL

Software R&D Working Meeting Minutes

2024-10-16

Room: Graeme, Leonhard, Alberto, Juan, Joanna, Peter, Florine, Mateusz, Andi, André, Anna

Remote: Swathi, Joshua, Peter Hristov

News

  • Seminar Presentations: Mid of '25, presentation by Tracking Reco

Slides for EP-Retreat

  • Please check today or tomorrow.

Machine Learning Faster Simulation

How long does it take to do the first training?

Speed cf. Geant4?

What happened to GANs?

  • Andi - DDFastShowerML, re. ATLAS ISF, this was overdesigned and the trigger step had far too many options (topology, for example). Lots of consistency problems. In practice now only geometry is used, and a little bit of a particle triggering. Code complexity is hard to manage. Ask what is it that we really need?

  • Juan - Are other detectors than ILD supported for the di-photon benchmark. Yes.

  • Graeme - are diffusion models hitting the mark for physics performance?

    • Representation of data is very good in these models
    • Bring fastsim to the level where it can use the same systematics as full sim - then you hit the metric of success (reduces human load to not have to do two validations)
  • Graeme - for training, eventually the "traning from scratch" model would converge? And the training is always on the full reverse diffusion (un-distilled)

    • Yes and yes
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