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CM document discussion. Clarifications, e.g. on trigger simulation. Made changes to text to hopefully clarify some of the questions How to iterate?. Work in Progress – e.g. Data Placement. Difficult to be precise about work in progress, prefer to stay vague than make false promises. MDST.DST.

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Clarifications e g on trigger simulation
Clarifications, e.g. on trigger simulation

Made changes to text to hopefully clarify some of the questionsHow to iterate?

Work in progress e g data placement
Work in Progress – e.g. Data Placement

Difficult to be precise aboutwork in progress, prefer tostay vague than make falsepromises

Mdst dst

  • MDST.DST (was ALL.DST) intended to facilitate migration to MDST

    • This is work in progress

    • Cost is temporary, will be removed when migration is complete

      • Calling it “indifference” seems harsh


  • Two questions:

    • What are ideas for reducing LHCb simulation time

      • Answer is improved use of transport cuts, adapt granularity of detector to precision required, do not simulate spillover events in detectors that are insensitive to it (Calo, Muon)

      • Work in progress, and details too technical to be described briefly

    • Common improvements in G4, vectorisation etc.

      • Indeed. Already described in common chapter. Does it need to be expanded?

Resources estimates
Resources estimates

  • Estimates foe 2015 are now different from request just made to C-RSG

    • How do we ensure consistency?