V-nested parallelism in C

M. Chakravarty, F. Schroer, M. Simons
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引用次数: 17

Abstract

This paper describes the integration of nested data parallelism into imperative languages using the example of C. Unlike flat data parallelism, nested data parallelism directly provides means for handling irregular data structures and certain forms of control parallelism, such as divide-and-conquer algorithms, thus enabling the programmer to express such algorithms far more naturally. Existing work deals with nested data parallelism in a functional environment, which does help avoid a set of problems, but makes efficient implementations more complicated. Moreover functional languages are not readily accepted by programmers used to languages, such as Fortran and C, which are currently predominant in programming parallel machines. In this paper, we introduce the imperative data-parallel language V and give an overview of its implementation.
C语言中的v嵌套并行
本文以c语言为例,描述了将嵌套数据并行集成到命使式语言中的方法。与平面数据并行不同,嵌套数据并行直接提供了处理不规则数据结构和某些形式的控制并行的方法,例如分治算法,从而使程序员能够更自然地表达这些算法。现有工作处理功能环境中的嵌套数据并行性,这确实有助于避免一组问题,但使高效实现变得更加复杂。此外,函数式语言不容易被习惯于使用Fortran和C等语言的程序员所接受,而这些语言目前在并行机器编程中占主导地位。本文介绍了命令式数据并行语言V,并对其实现进行了概述。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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