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HSF Detector Simulation on GPU Community Meeting

3–6 May 2022
Zoom
Europe/Zurich timezone

Contribution List

19 out of 19 displayed
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  1. 1. Introduction
    Witold Pokorski (CERN)
    03/05/2022, 15:00
  2. 2. AdePT project overview, current status and perfomance
    Andrei Gheata (CERN), Guilherme Amadio (CERN), Jonas Hahnfeld (CERN), Stephan Hageboeck (CERN), Witold Pokorski (CERN)
    03/05/2022, 15:10

    Functionality overview:
    - project structure, components, library organization
    - targeted/achieved functionalities

    Implementation overview:
    - components internals, basic data structures host/device
    - random number handling and reproducibility
    - workflow(s), scheduling and event loop implementations
    - scoring and data transfers

    Performance overview
    - Current performance...

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  3. 4. Coffee break
    03/05/2022, 16:10
  4. 3. Celeritas project overview, current status and performance
    Amanda Lund, Seth Johnson (Oak Ridge National Laboratory), Tom Evans (Oak Ridge National Laboratory)
    03/05/2022, 16:30

    Code overview:
    - background and motivation
    - codebase overview, including dependencies
    - components overview

    Performance:
    - Metrics
    - OLCF Summit results
    - Profiling

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  5. 9. Discussion
    03/05/2022, 17:30
  6. 5. AdePT geometry and magnetic field
    Andrei Gheata (CERN), Benjamin Morgan (University of Warwick (GB)), Guilherme Amadio (CERN), John Apostolakis (CERN), Stephan Hageboeck (CERN)
    04/05/2022, 15:00

    VecGeom overview and experience

    Current VecGeom GPU support
    - data model on host/device and dependency on CUDA
    - model data transfer and initialization on GPU
    - geometry optimizations (navigation states, single-precision, BVH)
    - navigation and current fundamental problems on GPU
    - evolution path for VecGeom GPU support: surface models

    Magnetic field handling

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  7. 6. Coffee break
    04/05/2022, 16:00
  8. 7. Celeritas geometry and magnetic field
    Guilherme Lima (FermiLab (US)), Seth Johnson (Oak Ridge National Laboratory), Soon Yung Jun (Fermi National Accelerator Lab. (US))
    04/05/2022, 16:20

    Celeritas/VecGeom integration

    ORANGE: Oak Ridge geometry engine
    - background
    - features, status, goals
    - code examples

    Magnetic field in Celeritas
    - background and methods
    - standalone field performance

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  9. 8. Discussion
    04/05/2022, 17:20
  10. 12. AdePT physics
    Jonas Hahnfeld (CERN), Mihaly Novak (CERN)
    05/05/2022, 15:00
    • general design and interface with transport
    • available processes
    • physics validation
    • GPU vs CPU performance and issues
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  11. 11. Coffee break
    05/05/2022, 16:00
  12. 10. Celeritas physics
    Seth Johnson (Oak Ridge National Laboratory), Soon Yung Jun (Fermi National Accelerator Lab. (US)), Stefano Tognini
    05/05/2022, 16:20

    Physics interface
    - transport loop and control flow
    - physics kernels

    Physics "perspectives"
    - available processes
    - data management and components

    Physics verification/validation
    - geant4 helper app
    - current test problems

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  13. 13. Discussion
    05/05/2022, 17:20
  14. 14. AdePT integration ideas
    Andrei Gheata (CERN), Witold Pokorski (CERN)
    06/05/2022, 15:00
    • key integration goals
    • constraints from external frameworks
    • Geant4 interfacing approach
    • current workflow limitatations
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  15. 15. Celeritas integration ideas
    Soon Yung Jun (Fermi National Accelerator Lab. (US)), Stefano Tognini
    06/05/2022, 15:30

    Experiment integration
    - potential workflows
    - challenges

    Acceleritas: Celeritas/Geant4 integration
    - offloading strategy and integration details
    - theoretical and actual performance
    - future work

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  16. 16. Coffee break
    06/05/2022, 16:00
  17. 17. AdePT perspectives
    Andrei Gheata (CERN), Benjamin Morgan (University of Warwick (GB)), Witold Pokorski (CERN)
    06/05/2022, 16:20
    • summary of performance assessment and main bottlenecks
    • further development ideas
    • strategies, follow-ups and collaboration
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  18. 18. Celeritas perspectives
    Seth Johnson (Oak Ridge National Laboratory)
    06/05/2022, 16:50
    • summary of performance assessment and main bottlenecks
    • further development ideas
    • strategies, follow-ups and collaboration
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  19. 19. Final discussion
    06/05/2022, 17:20

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