Performance optimization for parallel processing on a multiple-CPU server

doi:10.1016/S0010-4655(01)00327-7

Performance optimization for parallel processing on a multiple-CPU server

2001-12-01

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DOI：10.1016/S0010-4655(01)00327-7

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Symmetric multi-processor (SMP) systems, or multiple-CPU servers, are suitable for implementing parallel algorithms because they employ dedicated communication devices to enhance the inter-processor communication bandwidth, so that a better performance can be obtained. However, the cost for a multiple-CPU server is high and therefore, the server is usually shared among many users. The work-load due to other users will certainly affect the performance of the parallel programs so it is desirable to derive a method to optimize parallel programs under different loading conditions. In this paper, we present a simple method, which can be applied in SPMD type parallel programs, to improve the speedup by controlling the number of threads within the programs. (C) 2001 Elsevier Science B.V. All rights reserved.

Keyword:

SMP systems

multithreaded programming

parallel algorithms

performance optimization

Performance optimization for parallel processing on a multiple-CPU server

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