November 18, 2008 Software

From GlueXWiki
Revision as of 17:13, 24 February 2017 by Marki (Talk | contribs) (Text replacement - "" to "")

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search


  1. Review minutes from October 8, 2008 Software meeting
  2. Announcements
    • JLab wireless network
  3. Start Counter MC Studies (Seema D.)
  4. Report on ACAT08 Workshop (David L.)
  5. Action Items



The meeting will be at 12:00pm in Cebaf Center F326.


To connect by telephone: 1.) dial:

800-377-8846 : US
888-276-7715 : Canada
302-709-8424 : International

2.) enter participant code: 39527048# (remember the "#")

Video Conferencing

We will attempt an EVO connection for this meeting. We have a reasonable expectation that this will work.


Attendees: David L. (chair), Elke A., Simon T., Alex S., Beni Z., Elliott W., Mark I., Jim S.

Phone: Seema D., Blake L.

Start Counter

Seema gave a brief update on the current simulation studies being done for the start counter (S.C.) Highlights from the discussion are:

  • 25 staves currently in svn. Should be 40.
  • ~ 2.8 MHz in all S.C. for 10^8 gamma/sec
  • Seema will make geometry changes in repository
  • There was a question about BEAM objects in the data stream and for what generators they are available. This will be checked on
  • It was suggested that the Seema look into the ability of the S.C. to identify protons

ACAT Workshop report

David reported on the ACAT workshop in Erice, Sicily Dec. 3-7. There, he reported on the multi-threaded event processing capability of JANA. There were numerous talks/discussions on moving to a parallel programming techniques including multi-threading and SIMD (single instruction, multiple data) functions. The main points were:

  • Vectorization of code via SIMD
  • Parallelism in general
  • Virtualization
  • Multivariate Analysis
  • the LLVM compiler system
  • Java in HEAP (High Energy and Astrophysics)
  • Cell broadband Engine

Action items

No action items were discussed

Next Meeting

December 3, 2008 Software