Suitability of Message Passing Computers for Implementing Production Systems
STANFORD UNIV CA DEPT OF COMPUTER SCIENCE
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Two important parallel architecture types are the shared-memory architectures and the message-passing architectures. In the past researchers working on the parallel implementations of production systems have focussed either on shared-memory multiprocessors or on special purpose architectures. Message-passing computers have not been studied. The main reasons have been the large message-passing latency as large as a few milliseconds and high message reception overheads several hundred microseconds exhibited by the first generation message-passing computers. These overheads are too large for the parallel implementation of production systems, where it is necessary to exploit parallelism at a very fine granularity to obtain significant speed-up subtasks execute about 100 machine instructions. Reprints.
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