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Liviu Gugu

at Univ Politehnica din Bucuresti

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Proceedings Article | 31 December 2020 Paper

Parallel machine simulator using racket/scheme functional programming language

Calin Bîră, Liviu Gugu

Proceedings Volume 11718, 117182N (2020) https://doi.org/10.1117/12.2572096

KEYWORDS: Computer programming languages, Computer simulations, Computer architecture, C++

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In this paper we investigate writing and using of a functional parallel-machine simulator, in a functional programming language as opposed to an imperative programming language, in terms of code-size, versatility and performance. As a use-case we chose a SIMD-type machine, and the Racket/Scheme programming language,. The main advantages over the use of imperative programming languages for creating architectural simulators are (i): the loose coupling to the architecture and (ii) the lack of an explicit compiler. By attempting two common software implementations and some changes to the base architecture we argue that the simulator is better in terms of algorithm-code size and system versatility (number of required changes for extending functionality) but not in execution speed (as it is running on a von Neumann machine, where C++ code is compiled into native machine code, not interpreted)

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