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The Computer Journal 1995 38(8):658-669; doi:10.1093/comjnl/38.8.658
© 1995 by British Computer Society
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Visputer—A Graphical Visualization Tool for Parallel Programming

K. Zhang1 and G. Marwaha2 *

1 Department of Computing, Macquarie University, Sydney, NSW 2109, Australia, 2 Logica Australia, 76 Berry Street, North Sydney, NSW 2060, Australia

Designing parallel programs for message-passing systems is not an easy task. Difficulties arise largely due to human limitations in identifying relationships between simultaneously executed program components, or processes, and between the data computed by these processes. This paper presents a parallel program visualization tool, Visputer, that provides the ability to graphically design and edit message-passing programs written in Occam2, configure parallel processes onto a multi-transputer network and visualize the execution of programs. The textual versions of programs and network configurations are automatically generated by Visputer based on program and network graphs, and then statically analysed for their performance and communication patterns. Animation of program execution is achieved by instrumenting the original program with event collecting code. The event collection method maintains program behaviour and imposes little performance impact on the original program.

Received November 24 1994. accepted August 8 1995.

* Logica Australia, 76 Berry Street, North Sydney, NSW 2060, Australia Email: kang{at}mpce.mq.edu.au

§ Department of Computing, Macquarie University, Sydney, NSW 2109, Australia


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