Difference: CoreSoftwareMeetingMinutes20151125 (1 vs. 2)

Revision 22015-11-25 - MarcoClemencic

Line: 1 to 1
 
META TOPICPARENT name="CoreSoftwareMeetingMinutes"

LHCb Core Software Meeting

Date and Location

2015-11-25
Changed:
<
<
10:30 - HH:MM
>
>
10:30 - 11:30
 CERN (2-R-030)

Attendees

Line: 33 to 33
 

Study on ROOT compression algorithms

Interesting results.
Changed:
<
<
To
>
>
To follow up, it would be very useful to propose the new compression algorithms to the ROOT team.

It's interesting that the lzma compression gives a penalty in reading time. The new results should be compared with Chris' findings and possibly repeated on DSTs.

 

Round Table

Marco

Line: 59 to 61
 

Illya

  • Interesting possibility of development on the scheduling machinery in GaudiHive.
Changed:
<
<
Gerhard: we should invite hpx
>
>
Gerhard: we should invite somebody from hpx to the Concurrency Forum.
 

Gerhad

Changed:
<
<
  • Trying to
>
>
  • Trying to fix a performance regression introduced with the consolidation of messaging function, but got a very weird segmentation fault.
 

Revision 12015-11-25 - MarcoClemencic

Line: 1 to 1
Added:
>
>
META TOPICPARENT name="CoreSoftwareMeetingMinutes"

LHCb Core Software Meeting

Date and Location

2015-11-25
10:30 - HH:MM
CERN (2-R-030)

Attendees

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

Subjects

News

  • 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.

To

Round Table

Marco

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

Joel

  • lxbuild119 retired
    • finalized the puppet templates

Gloria

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

Ben

  • 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.

Illya

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

Gerhard: we should invite hpx

Gerhad

  • Trying to


-- MarcoClemencic - 2015-11-25

 
This site is powered by the TWiki collaboration platform Powered by PerlCopyright & 2008-2019 by the contributing authors. All material on this collaboration platform is the property of the contributing authors.
Ideas, requests, problems regarding TWiki? Send feedback