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E255

Designing a PC Farm to Simultaneously Process Separate Computations Through Different Network Topologies

Patrick Dreher
 Laboratory for Nuclear Science Massachusetts Institute of Technology

Speaker: Patrick Dreher

  This is a short report on a demonstration project at the MIT Laboratory for Nuclear Science to develop multiple types of network hardware interconnections among the individual PC processors in a single PC farm. The goal of the project was to develop a flexible system that would only require the hardware from one PC farm to provide the capabilities of handling specialized computations optimized for different types of PC farm hardware configurations. High energy and nuclear theorists frequently design the interconnections among the processors on a PC farm to be either a 2, 3, or 4 dimensional torus network topology. Experimentalists frequently prefer the PC farm processors to be simply connected to allow many processors to work independently on data analysis. This report will describe the network hardware modifications and system software needed to allow one PC farm to simultaneously handle both the lattice gauge theory calculations with an embedded torus network topology and the single independent processor PC farm to analyze experimental data.

Presentation:  PowerPoint Short Paper:  Adobe Acrobat pdf 



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