Problems, Workarounds and Possible Solutions Implementing the Singleton Pattern with C++ and OpenMP

Authors:
Michael Suess;Claudia Leopold
Affiliations:
Research Group Programming Languages / Methodologies, University of Kassel, Kassel, Germany D-34121;Research Group Programming Languages / Methodologies, University of Kassel, Kassel, Germany D-34121
Venue:
IWOMP '07 Proceedings of the 3rd international workshop on OpenMP: A Practical Programming Model for the Multi-Core Era
Year:
2007

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Abstract

Programs written in C++ and OpenMP are still relatively rare. This paper shows some problems with the current state of the OpenMP specification regarding C++. We illustrate the problems with various implementations of the singleton pattern, measure their performance and describe workarounds and possible changes to the specification. The singletons are available in the AthenaMP open-source project.