EPSCI Group Meeting Jan. 4, 2021

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The meeting time is 10:00am.

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Meeting URL
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Meeting ID
253 300 597

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Agenda:

  1. Previous meeting
  2. Announcements
  3. Ongoing Activities
    • DAQ systems
      • SRO
      • CODA (CODA3 support, EVIO-6)
    • Offline frameworks
      • CLARA
      • JANA2
    • Experiment Software Support
      • EIC
      • CPP
      • SOLID
    • A.I.
      • Hydra
      • A.I.I.
      • Experimental Controls (David)
    • Offsite Computing
      • NERSC, PSC, IU
      • OSG (Thomas)
    • JLab Common Environment (CE) + SPACK
  4. Publications
  5. AOT


Minutes:

Attendees: David L., Carl T., Nathan B., Kishan R., Vardan G., Thomas B., Graham H.

  • DAQ
    • SRO
      • INDRA Lab test bed pulser data rate doubled to 600MB/s per stream
      • Able to process 1.3GB/s of data w/ 100% livetime
      • Chris L. now has access to properly formatted payload data that can be used for software source
    • CODA
      • Reset, Pause, Resume user script feature added
    • EVIO-6
      • C implementation done. Development was done on Mac so compilation/testing needs to be done on Linux.
      • uses high-performance ring-buffers from disruppter-cpp package (C++ port of LMAX disruptor)
  • Frameworks
    • CLARA - nothing to report
    • JANA2 - janadot now working
  • A.I.
    • Hydra benchmarking is done. Currently able to process images on single GPU system at ~3Hz
    • some potential areas of optimization, but current rate is sufficient for any current needs
    • A.I. institute proposal still needs work
  • Offsite Computing
    • Bridges-2 Early User Program allocation granted for GlueX
  • JLab Common Environment (CE) + SPACK
    • David showed slides on current work on the epsci SPACK implementation
    • Singularity containers for 3 OSes now exist
    • CVMFS directory is now set up and functional, though packages are not all built and configured
    • Website gives access to buildcache, though it is unclear how viable of an option this will be.
    • Need to coordinate with EIC group (Wouter and Dmitry)
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