Abstract
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.
| Original language | English |
|---|---|
| Pages (from-to) | 191-195 |
| Number of pages | 5 |
| Journal | Computer Physics Communications |
| Volume | 142 |
| Issue number | 1-3 |
| DOIs | |
| Publication status | Published - 15 Dec 2001 |
| Event | Conference on Computational Physics (CCP'2000) - Gold Coast, Qld., Australia Duration: 3 Dec 2000 → 8 Dec 2000 |
Keywords
- Multithreaded programming
- Parallel algorithms
- Performance optimization
- SMP systems
ASJC Scopus subject areas
- Hardware and Architecture
- General Physics and Astronomy
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