[Halld-offline] HDGeant4 Meeting Minutes, June 18, 2019

[Mark Ito]

Folks,

Please find the minutes here 
<https://halldweb.jlab.org/wiki/index.php/HDGeant4_Meeting,_June_18,_2019#Minutes> 
and below.

   -- Mark

_________________________________________________________


    HDGeant4 Meeting, June 18, 2019, Minutes

Present:

  * *CMU: * Naomi Jarvis
  * *JLab: * Alex Austregesilo, Thomas Britton, Mark Dalton, Sean Dobbs,
    Hovanes Egiyan, Stuart Fegan, Mark Ito (chair), Justin Stevens,
    Simon Taylor, Beni Zihlmann
  * *UConn: * Richard Jones

There is a recording of this meeting <https://bluejeans.com/s/9vrMA/> on 
the BlueJeans site. Use your JLab credentials to get access.


      Review of minutes from the last meeting

We went over the minutes from June 4 
<https://halldweb.jlab.org/wiki/index.php/HDGeant4_Meeting,_June_4,_2019#Minutes>. 
Thomas reported that the test of the JLab-resident XROOTD server was 
done by forcing use of scosg16 in the jobs. Usually JLab is the fall 
back for streaming random trigger files. The first choice is UConn.


      Issues on GitHub

We went over the list of issues 
<https://github.com/JeffersonLab/HDGeant4/issues>.

  * Overall BCAL energy shift? #113
    <https://github.com/JeffersonLab/HDGeant4/issues/113>.
      o Richard noted that there is a fudge factor of 1.015 applied to
        energies from HDG4, HDG3 has no factor. This was introduced to
        allow HDG3 based calibrations to be used without modification.
      o Mark D. will re-do his study with a recent version of the software.
  * Difference in Acceptance between G3 and G4 #111
    <https://github.com/JeffersonLab/HDGeant4/issues/111> Thomas will
    re-raise the issue with Colin Gleason.
  * Segfault #110 <https://github.com/JeffersonLab/HDGeant4/issues/110>.
    The crash comes in G4Navigator::ComputeStep. We decided to close
    this one for now; it only happened once.
  * G4Exception crash after Curve length mis-match #109
    <https://github.com/JeffersonLab/HDGeant4/issues/109>. Naomi reports
    that this error occurs all of the time. She is running a
    single-threaded job currently and will try to capture the error when
    it happens.
  * Crash after GetHadronicInteraction no model found #108
    <https://github.com/JeffersonLab/HDGeant4/issues/108>. We decided to
    close this one as an isolated incident. Sean noted that there may be
    some issue with the multi-threaded configuration (~40 threads) that
    Naomi is running.
  * https://github.com/JeffersonLab/HDGeant4/issues/107. This is on
    Richard's list.
  * Reading in # events and source #105
    <https://github.com/JeffersonLab/HDGeant4/issues/105>. Also on
    Richard's list.
  * Run number read in from two places is confusing #104
    <https://github.com/JeffersonLab/HDGeant4/issues/104>. Richard will
    put the explanation on how the run number is chosen into control.in.
  * Skip (in control.in) is ignored #103
    <https://github.com/JeffersonLab/HDGeant4/issues/103> Richard fixed
    this one. We closed it.
  * Terminal cleanup? #102
    <https://github.com/JeffersonLab/HDGeant4/issues/102>. On the list.
  * Calorimeter timing mismatch between g3 and g4 #93
    <https://github.com/JeffersonLab/HDGeant4/issues/93> Alex will
    repeat the study with a recent version of the software.
  * Hit Energy Agreement #89
    <https://github.com/JeffersonLab/HDGeant4/issues/89>. This is
    probably an issue for mcsmear. If so, it should be migrated to the
    halld_sim issue list. Rebecca Barsotti's work on mcsmear may resolve
    this.


      Pull Requests on GitHub

We went over list <https://github.com/JeffersonLab/HDGeant4/pulls>, but 
there were no new requests and therefore no comments.

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  * This page was last modified on 18 June 2019, at 17:43.

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