Evaluating the impact of simultaneous multithreading on network servers using real hardware
SIGMETRICS '05 Proceedings of the 2005 ACM SIGMETRICS international conference on Measurement and modeling of computer systems
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Three FORTRAN codes, each typical of a class of simulation problems at Los Alamos National Laboratory, have been converted to execute on the Denelcor HEP. The codes are (i) PIC, a particle-in-cell code; (ii) SIMPLE, a two-dimensional Lagrangian hydrodynamics program, and (iii) TRAC, a nuclear reactor simulation. The programming paradigm that was used and the algorithmic nature of the concurrency are discussed. Speedups as a function of number of processes are given.