Execution model of three parallel languages: OpenMP, UPC and CAF

Authors:
Ami Marowka
Affiliations:
Software Engineering Department, Shenkar College of Engineering and Design, 12 Anna Frank, Ramat-Gan, 52526, Israel. Tel.: +972 3 6110033/ Fax: +972 3 7521141/ E-mail: amimar2@yahoo.com
Venue:
Scientific Programming - International Symposium of Parallel and Distributed Computing & International Workshop on Algorithms, Models and Tools for Parallel Computing on Heterogenous Networks
Year:
2005

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Abstract

The aim of this paper is to present a qualitative evaluation of three state-of-the-art parallel languages: OpenMP, Unified Parallel C (UPC) and Co-Array Fortran (CAF). OpenMP and UPC are explicit parallel programming languages based on the ANSI standard. CAF is an implicit programming language. On the one hand, OpenMP designs for shared-memory architectures and extends the base-language by using compiler directives that annotate the original source-code. On the other hand, UPC and CAF designs for distribute-shared memory architectures and extends the base-language by new parallel constructs. We deconstruct each language into its basic components, show examples, make a detailed analysis, compare them, and finally draw some conclusions.