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Univ. Turin and I.N.F.N. Dept. of General Physics “A.Avogadro”. Usage of GRID for DY Monte Carlo simulation. Antonio Amoroso. JDL. CE. CE. CE. SE. SE. SE. WNs. WNs. WNs. Output .root. GRID Infrastructure. RB. UI. FARM 1. Submit List match Get-output. MIDDLEWARE.
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Univ. Turin and I.N.F.N. Dept. of General Physics “A.Avogadro” Usage of GRID for DY Monte Carlo simulation Antonio Amoroso
JDL CE CE CE SE SE SE WNs WNs WNs Output .root GRID Infrastructure RB UI FARM 1 Submit List match Get-output MIDDLEWARE UI: User Interface CE: Computing Element SE: Storage Element WN: Worker Node RB: Resource Broker JDL: Job Description Language FARM 2 JOB SUBMISSION FARM 3 The experiment software is installed by “VO-sgm” user in the /opt/exp_software directory of the CE Software HEP
LCG2 INFN-Production GRID TIER 2 TIER 1 TIER 0 Taipei Padova Torino Milano LNL Napoli CERN Pisa Lione CNAF Trieste RAL LCG2 and INFN Production GRID Release LCG2 Release INFN-Production GRID (Superset LCG2)
FARM LCG and INFN-GRID TORINO BIPROCESSOR HOST (P4 XEON 2,4 GHz – 1 GB RAM)
COMPASS Farm TORINO 2CPU P4 XEON 3.2 GHz – 2 GB RAM) 2CPU PIII 1GHz – 512MB 60 CPU now available +12 CPU DC during 2007
COMGEANT Simulation hit production GHEISA Event Generator 104 events/job Total: ~ 108 CORAL Digitalization Reconstruction ~ 36 Mb mDST in ~6h. (CPU PIII 1 GHz) PHAST Analysis (mDST) Simulation chain for DY Background A complete simulation of background events (~ 108) takes ~60.000 h/CPU
The whole INFN Prod. GRID provides 1300 CPU in 38 sites
COMPASS@GRIDIT - mDST Production 2004Transverse configuration Cagliari 9% - 423 Ferrara 6% - 276 LNL 41% - 1918 Torino 44% - 2406 Job distribution:5356 jobs submitted on GRIDIT resources • CPU used: 126 max simultaneous • CPU Time :~63900 h/cpu (P4 2,4 GHz) • Events produced: ~108lambda generated • Disk usage: ~320 GB on SE grid009.to.infn.it • RB: CNAF, Catania, Padova
Conclusions WORK DONE: • Installation and management of the grid farm on the Torino site • Development of the software for job running control and remote installation on GRID resources • Setup and test of the COMPASS software on the grid farm TO DO: • Installation and management COMPASS VO Server • Test of the simulation codes for DY into GRID environment • Production of DY events