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Erschienen in:
2013 | OriginalPaper | Buchkapitel
Paraphrasing: Generating Parallel Programs Using Refactoring
verfasst von : Christopher Brown, Kevin Hammond, Marco Danelutto, Peter Kilpatrick, Holger Schöner, Tino Breddin
Erschienen in: Formal Methods for Components and Objects
Verlag: Springer Berlin Heidelberg
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Refactoring is the process of changing the structure of a program without changing its behaviour. Refactoring has so far only really been deployed effectively for sequential programs. However, with the increased availability of multicore (and, soon,
manycore
) systems, refactoring can play an important role in helping both expert and non-expert parallel programmers structure and implement their parallel programs. This paper describes the design of a new refactoring tool that is aimed at increasing the programmability of parallel systems. To motivate our design, we refactor a number of examples in C, C++ and Erlang into good parallel implementations, using a set of formal pattern rewrite rules.