Basic HTML version of Foils prepared 17 November 1998

Foil 95 Quantum ChromoDynamics (QCD) Special Purpose Machines

From Master Foilset for HPC Achitecture Overview CPS615 Basic Simulation Track for Computational Science -- Fall Semester 98. by Geoffrey C. Fox
Special Purpose Physics Machines for Foil 100
1 Here the case for special purpose machines is less compelling than for GRAPE as QCD is "just" regular (easy to parallelize; lowish communication) and extremely floating point intensive.
2 We illustrate with two machines which are classic MIMD distributed memory architecture with optimized nodes/communication networks
3 BNL/Columbia QCDSP 400 Megaflops
4 Univ. of CP-PACS (general physics) 600 Megaflops
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