Bryce Himebaugh

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Lee A. Rubel defined the extended analog computer to avoid the limitations of Shannon's general purpose analog computer. Partial differential equation solvers were a "quintessential" part of Rubel's theoretical machine. These components have been implemented with "empty space," or VLSI circuits without transistors, as well as conductive plastic. For the(More)
Process arrival times at MPI collective operations differ significantly. Addressing this fact with special handling for popular collective communication algorithms can yield performance improvements. The recursive doubling algorithm is one of the most efficient techniques for implementing collectives in MPI, especially for short messages and when the number(More)
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