Session 2: Parallelization

Proceedings. Euromicro International Conference on Parallel, Distributed, and Network-based Processing Pub Date : 1994-01-26 DOI:10.1109/EMPDP.1994.592464

A. Tyrrell

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Abstract

The design of parallel systems requires care and accuracy if the results obtained from the system are to be useful. This requirement means that an accurate model of the system to be implemented must be derived and this model carefully mapped onto the final hardware architecture. Many systems have concurrency inherent in their operation and this concurrency should be used to the full in any implementation of the final system. However, concurrency introduces a number of complications which could cause errors in the final system to occur. A careful choice must therefore be made to describe and implement such requirements. The design of software intended for a parallel implementation is demanding, requiring the understanding and application of proper design methods including techniques which exploit and control the parallel nature of the system. The software will comprise a set of processes in asynchronous concurrent execution where coordination is provided by synchronising interprocess communications. The designer is therefore presented with three interrelated problems:

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会话2:并行化

如果从系统得到的结果是有用的，那么并行系统的设计需要谨慎和精确。这一要求意味着必须推导出要实现的系统的精确模型，并将该模型仔细地映射到最终的硬件体系结构上。许多系统在其操作中具有固有的并发性，在最终系统的任何实现中都应充分利用这种并发性。然而，并发性引入了许多复杂性，这些复杂性可能导致最终系统出现错误。因此，必须仔细选择来描述和执行这些要求。为并行实现而设计的软件要求很高，需要理解和应用适当的设计方法，包括利用和控制系统并行特性的技术。该软件将包括一组异步并发执行的进程，其中通过同步进程间通信提供协调。因此，设计师面临着三个相互关联的问题:

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Proceedings. Euromicro International Conference on Parallel, Distributed, and Network-based Processing

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