[Halld-offline] Offline Software Meeting Minutes, January 23, 2013

Mark M. Ito marki at jlab.org
Wed Jan 30 13:01:23 EST 2013

Find the minutes at 
and below

GlueX Offline Meeting, January 23, 2013

      * CMU: Paul Mattione, Curtis Meyer
      * FSU: Nathan Sparks
      * IU: Kei Moriya, Matt Shepherd
      * JLab: Mark Ito (chair), David Lawrence, Yi Qiang, Dmitry Romanov,
        Simon Taylor, Elliott Wolin, Beni Zihlmann
      * UConn: Alex Barnes


    Elliott told us that the Online group is putting together online
    computing cluster. If there are requirements or suggestions for their
    plans, please contact Elliott.

Collaboration Meeting

    We discussed the agenda for the offline session at the up-coming
    collaboration meeting. A tentative agenda:
      * Overview: Mark
      * CCDB: Dmitry
      * Tracking: Simon
      * TBD: David

Data Challenge Status

    Curtis has started writing a [28]report on the recently completed data
    challenge. There are still a lot of sections to be filled in.

CCDB Status

    Dmitry gave a report:
      * The DANA library of sim-recon now requires CCDB to build. CCDB is
        still optional however.
      * David has updated HDGeant and mcsmear use the new DANA (the
        DApplication class in particular).
      * The code has been tested on MacOs
      * It has also been tested with the clang compiler.
      * The next release, ccdb-0.07, is in preparation.
           + It will include the use of Resources to handle large files
             like the magnetic field.
      * There is still a problem on CentOS 5 that Mark and Dmitry are
        chasing down.

New CPU architecture from Intel

    David gave us an introduction to a new technology from Intel, the Xeon
    Phi MIC. This is Intel's answer to the recent popularity of GPU's for
    large-scale computations. See [29]his talk for details. The outline:
      * Terminology
      * Some System Details
      * Performance using JANA TestSpeed Plugin
      * Results
      * Summary

    Study of the board is just starting.

JANA Resources update

    David gave us and update on the work he presented [30]last November.
    See [31]his slides for details. He has incorporated features that we
    discussed at the initial presentation.

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