Event-Based Study of the Effect of Execution Environments on Parallel Program Performance

Authors:
Sekhar R. Sarukkai;Jerry C. Yan
Affiliations:
-;-
Venue:
MASCOTS '96 Proceedings of the 4th International Workshop on Modeling, Analysis, and Simulation of Computer and Telecommunications Systems
Year:
1996

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Abstract

In this paper we seek to demonstrate the importance of studying the effect of changes in execution environment parameters, on parallel applications executed on state-of-the-art multiprocessors. A comprehensive methodology for event-based analysis of program behavior is introduced. This methodology is used to study the performance significance of various system parameters such as processor speed, message-buffer size, buffer copy speed, network bandwidth, communication latency, interrupt overheads and other system parameters. With the help of a few CFD examples, we illustrate the use of our technique in deter-mining suitable parameter values of the execution environment for three applications.