DD4hep Developers Meeting

Thursday 25 Mar 2021, 15:30 → 17:00 Europe/Zurich

2/1-034 (CERN)

Marko Petric (CERN)

Please Join DD4hep developer's meeting via Zoom

DD4hep meeting 25/03/2021

A.Sailer, C.Vuosalo, F.Gaede, M.Frank

1)   Pending problems
1.1) Pending problems reported by Sang Hyun Ko:
     - Cannot setup Birk's constant as material property.
     - No analogy to G4PVParametrized. Unclear if a solution is possible.
1.2) Coverity error in the Evaluator (to be verified by C.Jones)
       Carl will forward the screenshot to Chris.
1.3) CMS discovered race conditions when instantiating multiple dd4hep Detector
       instances. Protection will be done in cmssw code.

2)    Closed issues and fixed problems
2.1) Pending issue in CMS when running Geant4: random number sequences
       differ between builds, runs. Cause unknown, to be investigated.
       Fixed but not understood.

3) Round table
   Markus:     -
   Andre:       Lots of fun!
                     - Fixed compilation after changes in ROOT.
                     - Now having trouble with Geant4 prints, which look to be handled badly.
                     - Wants a new tag of dd4hep. Need to see however with Marko's PR.
   Carl:          See above
   Frank:       Nothing to report.
                     Question: zsh possible when using DD4hep?
                     Answer:   Need to know first which variables cause trouble.
   Valentin:    Question: geoConverter. Would be nice why not conversion to root file ?

5) AOB

 

Next meeting in 2 weeks: 8/04/2021

 

DD4hep meeting 25/03/2021

A.Sailer, C.Vuosalo, F.Gaede, M.Frank

1)   Pending problems
1.1) Pending problems reported by Sang Hyun Ko:
     - Cannot setup Birk's constant as material property.
     - No analogy to G4PVParametrized. Unclear if a solution is possible.
1.2) Coverity error in the Evaluator (to be verified by C.Jones)
       Carl will forward the screenshot to Chris.
1.3) CMS discovered race conditions when instantiating multiple dd4hep Detector
       instances. Protection will be done in cmssw code.

2)    Closed issues and fixed problems
2.1) Pending issue in CMS when running Geant4: random number sequences
       differ between builds, runs. Cause unknown, to be investigated.
       Fixed but not understood.

3) Round table
   Markus:     -
   Andre:       Lots of fun!
                     - Fixed compilation after changes in ROOT.
                     - Now having trouble with Geant4 prints, which look to be handled badly.
                     - Wants a new tag of dd4hep. Need to see however with Marko's PR.
   Carl:          See above
   Frank:       Nothing to report.
                     Question: zsh possible when using DD4hep?
                     Answer:   Need to know first which variables cause trouble.
   Valentin:    Question: geoConverter. Would be nice why not conversion to root file ?

5) AOB

 

Next meeting in 2 weeks: 8/04/2021

 

DD4hep meeting 25/03/2021

A.Sailer, C.Vuosalo, F.Gaede, M.Frank

1)   Pending problems
1.1) Pending problems reported by Sang Hyun Ko:
     - Cannot setup Birk's constant as material property.
     - No analogy to G4PVParametrized. Unclear if a solution is possible.
1.2) Coverity error in the Evaluator (to be verified by C.Jones)
       Carl will forward the screenshot to Chris.
1.3) CMS discovered race conditions when instantiating multiple dd4hep Detector
       instances. Protection will be done in cmssw code.

2)    Closed issues and fixed problems
2.1) Pending issue in CMS when running Geant4: random number sequences
       differ between builds, runs. Cause unknown, to be investigated.
       Fixed but not understood.

3) Round table
   Markus:     -
   Andre:       Lots of fun!
                     - Fixed compilation after changes in ROOT.
                     - Now having trouble with Geant4 prints, which look to be handled badly.
                     - Wants a new tag of dd4hep. Need to see however with Marko's PR.
   Carl:          See above
   Frank:       Nothing to report.
                     Question: zsh possible when using DD4hep?
                     Answer:   Need to know first which variables cause trouble.
   Valentin:    Question: geoConverter. Would be nice why not conversion to root file ?

5) AOB

 

Next meeting in 2 weeks: 8/04/2021