The study and validation of the ATLAS Computing Model started three years ago and will continue for few years in the context of the so-called Data Challenges (DC). DC1 was conducted during 2002-03; the main goals achieved were to set up the simulation data production infrastructure in a real worldwide collaborative effort and to gain experience in exercising an ATLAS wide production model. DC2 (from May until December 2004) is divided into three phases: (i) generate Monte Carlo data using GEANT4 on three different Grid projects: LCG, GRID3 and NorduGrid; (ii) simulate the first pass reconstruction of real data expected in 2007, and (iii) test the Distributed Analysis model. Experience with the use of the system in world-wide DC2 production of ten million events will be presented. We also present how the three Grid flavours are operated. Finally we discuss the first prototypes of Distributed Analysis systems. © Springer-Verlag Berlin Heidelberg 2005.
CITATION STYLE
De La Hoz, S. G., Sánchez, J., Lozano, J., Salt, J., Fassi, F., March, L., … Goossens, L. (2005). ATLAS data challenge 2: A massive Monte Carlo production on the Grid. In Lecture Notes in Computer Science (Vol. 3470, pp. 30–39). Springer Verlag. https://doi.org/10.1007/11508380_5
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