In computing, a parallel programming model is an abstraction of parallel computer architecture, with which it is convenient to express algorithms and their composition in programs. The value of a programming model can be judged on its generality: how well a range of different problems can be expressed for a variety of different architectures, and its performance: how efficiently the compiled programs can execute.[1] The implementation of a parallel programming model can take the form of a library invoked from a programming language, as an extension to an existing languages.
Consensus around a particular programming model is important because it leads to different parallel computers being built with support for the model, thereby facilitating portability of software. In this sense, programming models are referred to as bridging between hardware and software.[2]
^Skillicorn, David B., "Models for practical parallel computation", International Journal of Parallel Programming, 20.2 133–158 (1991), https://www.ida.liu.se/~chrke55/papers/modelsurvey.pdf
^Leslie G. Valiant, "A bridging model for parallel computation", Communications of the ACM, Volume 33, Issue 8, August, 1990, pages 103–111.
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