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A structured SADT approach to the support of a parallel adaptive 3D CFD code

机译:支持并行自适应3D CFD代码的结构化SADT方法

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The parallel implementation of unstructured adaptive tetrahedral meshes for the solution of transient flows requires many complex stages of communication.This is due to the irregular data sets and their dynamically changing distribution.This paper describes the use of Shared Abstract Data Types(SADTs) in the restructuring of such a code,called PTETRAD. SADTs are an extension of an ADT with the notion of concurrent access.The potential for increased performance and simplicity of code is demonstrated,while maintaining software portability.It is shown how SADTs can raise the programmer's level of abstraction away from the details of how data sharing is supported.Performance results are provided for the SGI Origin 2000 and the Cray T3E machines.
机译:非结构化自适应四面体网格用于瞬态流解的并行实现需要许多复杂的通信阶段,这是由于不规则数据集及其动态变化的分布所引起的。本文介绍了共享抽象数据类型(SADT)在网络中的使用这种代码的重组,称为PTETRAD。 SADT是ADT的并发访问概念的扩展。它展示了在保持软件可移植性的同时提高性能和简化代码的潜力,并显示了SADT如何提高程序员对数据的抽象程度,而不再涉及数据的细节。支持共享。为SGI Origin 2000和Cray T3E机器提供了性能结果。

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