A study of mapping of locally message exchanging algorithms on a loosely-coupled multiprocessor:

Abstract: "Good load balance is the key to get the most from the processing power of parallel computers. Dynamic load balancing techniques have been developed and proved successful for tightly-coupled multiprocessors, and for loosely-coupled multiprocessors when the problem is composed of indep...

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Bibliographische Detailangaben
Hauptverfasser: Wada, Kumiko (VerfasserIn), Ichiyoshi, Nobuyuki (VerfasserIn)
Format: Buch
Sprache:English
Veröffentlicht: Tokyo, Japan 1990
Schriftenreihe:Shin-Sedai-Konpyūta-Gijutsu-Kaihatsu-Kikō <Tōkyō>: ICOT technical report 587
Schlagworte:
Zusammenfassung:Abstract: "Good load balance is the key to get the most from the processing power of parallel computers. Dynamic load balancing techniques have been developed and proved successful for tightly-coupled multiprocessors, and for loosely-coupled multiprocessors when the problem is composed of independent tasks with large granularity. But the problem of mapping intercommunicating processes on loosely-coupled multiprocessors has not been well explored. In this paper, we consider the problem when there is locality in message communication (locally message exchanging algorithms)
As an example, we developed a distributed algorithm for a single- source shortest path problem and tested three different static mappings of a large grid graph onto a mesh-connected multiprocessor, Multi-PSI. Two of them resulted in relatively good performance, and were shown to be a good compromise between communication localization and load balance.
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