LHCb Core Software Meeting

Date and Location

November 14, 2007
10:30 - 11:55
CERN (2-R-030)


Gloria, Hubert, Marco Ca., Marco Cl. (minutes), Markus, Patrick (EVO),





  • LCG 53f almost ready
  • CCRC preparation meeting on Monday
  • (Marco Ca.) A.F. on Thursday. The AF is asking to move to the new LCG (LCG_54+ROOT5.16.x).

Software Releases

Gaudi (Hubert, Marco Cl.)

  • Freeze of Gaudi v19r6 on Friday. A pre-release will be available as usual in the dev2 slot of the nightlies.
    • SerializeSTL.h has been included
    • New externals for LHCb: QMTest, PyQt, CppUnit
    • Markus' implementation of XML File Catalog. Marco Ca.: do we really need to have in Gaudi a replacement for something that is already in POOL?
  • Atlas installs scripts in a different location than LHCb (InstallArea/share/bin). Hubert modified the install_script fragment to be usable in both cases.

LHCb, Boole, Brunel (Marco Ca.)

  • New version (v23r1) almost ready
    • Problem with Brunel on windows because of a static variable
    • This is meant to be a baseline version: same functionalities as DC06 versions, but with the new T.F.
  • Built Brunel on OSX: the results are the same as the other versions (except a couple of tracks that didn't pass a cut).
    • Agreed to have regular builds on OSX (dbg+opt)

Gauss (Gloria)

  • Basic Gauss works with gaudirun.py (head of GaudiPython etc.) and old options after some fixes (Marco Cl.):
    • when setting a vector property to empty, use '[]' instead of '{}' (backward-compatible)
    • configuration of EventClockSvc had problems when using the units "ns", because the units are floats and the properties are int (long long).
  • Will try all generators with gaudirun.py
  • We should add QMTest test to produce 10 events for each generator.
  • A backward incompatible change in the particle property table is in the pipe-line.
    • It would be good to get the particle properties from the conditions database instead of a plain file. Marco Cl. will prepare something to allow the storage of non-XML files in the database (low-priority).
  • Mark Tobin has a new geometry for the Velo.
  • Preparing the package Vis/XmlVis to contain the XML files for visualization that were in XmlDDDB.

HLT and Moore (Patrick)

  • Branching for the benchmark
  • A memory leak has been fixed

DaVinci (Patrick)

Shall we have a version of DaVinci based on the same versions used by the HLT for benchmarks? Yes. Now released as v19r8.

OnLine (Markus)

  • New release on top of LCG_53f ASAP.

Release and Deployment (Hubert)

  • DaVinci v19r1 done.
  • Panoramix v158 (LHCb v22r10) done.
  • To be decided what to do with DAVID and DAWN.

Round Table

  • Working on the configuration of the terminal server lhcbts.
  • Preparing a reorganization of LHCb scripts (lhcbsetup, etc.). Gloria: we should take into account the fixes needed by the Cambridge people.

-- MarcoClemencic - 21 Nov 2007

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Topic revision: r3 - 2008-02-01 - MarcoClemencic
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