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Last update: Apr 1, 2000

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The Physical Design of the CDF Simulation and Reconstruction Software

Elizabeth Sexton-Kennedy1, Marge Shapiro2, Rick Snider1, Robert Kennedy1, Pasha Murat1
  1. Fermilab
  2. Lawrence Berkeley National Laboratory

Speaker: Elizabeth Sexton-Kennedy

  A good physical design is the only way to manage the complexity of a large software system. CDF's simulation and reconstruction software system is large, with about 1.3 million lines of code organized into 144 different packages in 4 different programming languages. The simulation and reconstruction applications must use a large fraction of this code in any one job. We have managed to develop guidelines for physicist-written code which keep the physical design manageable. Nevertheless we must monitor and correct mistakes in physical design daily. Proof of the success of this effort is that we are able to link all CDF offline applications statically in one pass, with no CDF libraries listed more then once. This was not possible in the Run I code system, in which users spent much of their time trying to understand how to link applications. In Run II, this process is largely automated.

Presentation:  Adobe Acrobat pdf Short Paper:  Adobe Acrobat pdf 

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