LHCb Core Software Meeting

Date and Location

10:30 - HH:MM
CERN (2-R-030)


Ben Couturier, Gerhard Raven (Vidyo), Gloria Corti, Illya Shapoval, Joel Closier, Liang Sun, Marco Cattaneo, Marco Clemencic (minutes), Markus Frank, Paul Seyfert (Vidyo)



  • LCG 81 being prepared
  • Marco Cl. will prepare presentations on git use and workflows
    • a first meeting on Wednesday (Core Software slot) with git mini tutorial and workflows proposals
    • at the Tuesday meeting on the 15th of December more focused on the workflows

Ben started collecting use cases that will help us defining practical workflows: LbSoftUseCases.

Study on ROOT compression algorithms

Interesting results.


Round Table


  • Nightlies
    • another (more successful) attempt to ccache
    • one slc5 machine can be moved to slc6
    • to review the use of lhcb-trigger* slots


  • lxbuild119 retired
    • finalized the puppet templates


  • Presentation next week on the simulation FSR
  • Some work on fast simulation, to be followed up how to integrate it in Gaudi


  • Started working on the new chain for LHCbPR2
  • Mika prepared some test jobs that will run in the old LHCbPR
  • Security issue with automatically created .rhost files. New release of LbScript to remove the
  • Started trying the build of Geant4.10.


  • Interesting possibility of development on the scheduling machinery in GaudiHive.

Gerhard: we should invite hpx


  • Trying to

-- MarcoClemencic - 2015-11-25

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