A New Optimization Technique for the Inspector-Executor Method

D. Yokota, S. Chiba, and K. Itano (Japan)


distributed memory machine, compiler, optimizing communications, inspector-executor


This paper presents our HPF compiler using our modified inspector-executor method for implementing accesses to a distributed array. In our modified method, a compiler runs an inspector during compile time to obtain the information of data dependency among node processors, and it uses that information to optimize communication code included in the executor. This paper presents our idea, performance improvement shown by our prototype compiler, and limita tions of our method.

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