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CM document discussion

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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CM document discussion

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  1. CM document discussion

  2. Clarifications, e.g. on trigger simulation Made changes to text to hopefully clarify some of the questionsHow to iterate?

  3. Work in Progress – e.g. Data Placement Difficult to be precise aboutwork in progress, prefer tostay vague than make falsepromises

  4. 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

  5. Cost of data preservation

  6. Simulation

  7. Simulation • 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?

  8. Resources estimates • Estimates foe 2015 are now different from request just made to C-RSG • How do we ensure consistency?

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