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- W2166351100 abstract "A three-dimensional computational aerodynamics algorithm has been multitasked for efficient parallel execution on the Cray-2. It provides a means for examining the multitasking performance of a complete computational fluid dynamics (CFD) application code. An embedded zonal multigrid scheme is used to solve the Reynolds-averaged Navier-Stokes equations for an internal flow model problem. The explicit nature of each component of the method allows a spatial partitioning of the computational domain to achieve a well-balanced task load for multiple-instruction, multiple-data-stream (MIMD) computers with vector-processing capability. Experiments have been conducted with both two- and three-dimensional multitasked cases. The best speedup attained by an individual task group was 3.54 on four processors of the Cray-2, while the entire solver yielded a speedup of 2.67 on four processors for the three-dimensional case. The multiprocessing efficiency of various types of computational tasks is examined, performance on two Cray-2s with different memory access speeds is compared, and extrapolation to larger problems is discussed. >" @default.
- W2166351100 created "2016-06-24" @default.
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- W2166351100 date "2003-01-06" @default.
- W2166351100 modified "2023-09-26" @default.
- W2166351100 title "Multitasking a three-dimensional Navier-Stokes algorithm on the Cray-2" @default.
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- W2166351100 doi "https://doi.org/10.1109/superc.1988.74128" @default.
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