OWG Meeting 29-Feb-2012

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Agenda

  • Announcements
  • Review of minutes from 1-Feb-2012 meeting
  • Software review 7,8-Jun - Mark, David, Elliott
  • Inventory database - Elliott
    • IRMIS3 - control, power, housing hierarchies
    • CED
    • CLAS
  • New TS - William G.
  • SCONS in CLAS12 - Johann G.
  • Counting house - Hovanes
  • Scaler design and management - Dave, Hovanes, Elliott
  • 12GeV planning lines - David, Hovanes, Elliott
  • Elog and Accelerator division projects - Graham
  • DAQ group - Bryan, Dave A, Graham
    • CODA3, ECS/CSS, raw event file, disentangler, readout list
  • EPICS - Hovanes, Nerses
  • Controls
    • Solenoid Controls Redesign - Yi, Elliott
      • Magnet cold by Nov-2012
      • Fast/slow DAQ, FMEA results
    • Test stand, equipment purchases - Hovanes
  • Beam tests - Alex
  • FDC cosmic ray test - Beni
  • Electronics, trigger and DAQ status reports - Chris, Alex, Dave, Fernando, Ben, Ed, William, Bryan
  • Mantis Task Tracker
  • Midas Elog


Time/Location

1:30 PM Wed 29-Feb-2012 CC F326


Announcements

Next Meeting

1:30 PM Wed 14-Mar-2012 CC F326


Minutes

Present: Elliott W, Chris C, Bryan M, Carl T, Graham H, Dave L, Hovanes E, William G, Johann G, Simon T, Vardan G, Eugene C, Vanik K.


Software Readiness Review

Current thinking is that the halls will not make presentations on online systems at the review. Instead Graham will give an overview covering all four halls.


Inventory Database

Elliott reported on the status of reviewing IRMIS3, CED (from Accelerator) and the CLAS6 systems. IRMIS3 is still not ready and graphics in CED is fairly primitive based on our requirements, so the CLAS6 system seems to be the best choice. Elliott will write a report and install the CLAS6 system on halldweb1 next week.


Trigger Supervisor

William described the new Trigger Supervisor module. See his talk for many details.


SCONS in CLAS6

Johann described how CLAS6 is using SCONS to build production software. He layered a few thousand lines of Python on top of an early version SCONS, but noted that some of what he wrote duplicates what is available in recent SCONS versions. He notes that a rewrite of his code might be a good idea given improvements to SCONS.

Most CLAS6 SConstruct files are just a few lines long and appear in every directory in the code hierarchy. He uses build dirs to hide intermediate files. He writes: 

Hi Elliot,
I probably should have mentioned the extensive documentation we have for the build_system. Most of it is CLAS specific, but there are whole sections that are not:

Not CLAS specific:
[http://clasweb.jlab.org/wiki/index.php/Build_System_Tutorial http://clasweb.jlab.org/wiki/index.php/Build_System_Tutorial\

Here is a first attempt at a webpage that helps to create new sconstruct files:
http://clasweb.jlab.org/sconsgen/

CLAS specific and very detailed instructions:
http://clasweb.jlab.org/wiki/index.php/CLAS_SCons_build_system
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