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META TOPICPARENT name="CoreSoftwareMeetingMinutes"

LHCb Core Software Meeting

Date and Location

12 Nov 2008
10:30 - 11:40
CERN (2-R-030)

Attendees

Gloria, Hubert, Joel, Marco Ca., Marco Cl. (minutes), Olivier, Thomas

Apologies

Patrick

Subjects

News

Software Releases

Gaudi (Marco Cl.)

  • Pre-release tag GAUD_v20r3-pre applied and built in the slot dev2 of the LCG nightly builds. To be released on Friday.
  • In the last week:
    • Many changes in the ConfigurableUser sector. Mainly the automatic application of the configuration and the possibility to get them from the standard configurables database.
    • Modified the behavior of the option "--option" of gaudirun.py, now executed in the position it appears on the command line.
    • Added a script to simplify the production of patches for Gaudi.

LHCb, Boole, Brunel (Marco Ca.)

  • Working to get the configurables working again.
  • It should be ready by Friday, to be released next week.
  • Slot lhcb3 of the nightlies built against LCG slot dev (HEAD of ROOT) almost working. Successfully built with gcc 4.3 too.

Gauss (Gloria)

  • Ready for the next version of LHCb. Linking problem with Gauss.exe, but we can get rid of it and use Gaudi.exe if needed.
  • On Friday, Vanya will present a proposal for the new Particle Property Service of LHCb
    • remove obsolete code
    • use LHCb::ParicleId
    • use HepPDT particle id?

Round Table

Thomas
Where can we find the new files produced? -> they are in the new B.K. database, to be copied to the old one
The new B.K. can be accessed only via the Qt interface.
Hubert
  • Fix in install_project.py to produce relative links to LbLogin instead of absolute ones.
  • The LHCb specialization of the nightly build system is not integrated in LbScripts and run from the release area.
Olivier
Resurrecting the code for packed DST to evaluate speed up and size reduction. We gain about 30% on both, with something like 70kB/evt for DST (including raw buffer).
Joel
  • Installed DIRAC in the release area (to be used by Ganga)
  • Preparing lhcb-proxy-init/info for DIRAC3
  • The requested Windows machine has been finally delivered. Will soon request the second one and the SLC5 build machines.

-- MarcoClemencic - 12 Nov 2008

 
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