Strategies and implementation for translating OpenMP code for clusters

Authors:
Deepak Eachempati;Lei Huang;Barbara Chapman
Affiliations:
Department of Computer Science, University of Houston, Houston, TX;Department of Computer Science, University of Houston, Houston, TX;Department of Computer Science, University of Houston, Houston, TX
Venue:
HPCC'07 Proceedings of the Third international conference on High Performance Computing and Communications
Year:
2007

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Abstract

OpenMP is a portable shared memory programming interface that promises high programmer productivity for multithreaded applications. It is designed for small and middle sized shared memory systems. We have developed strategies to extend OpenMP to clusters via compiler translation to a Global Arrays program. In this paper, we describe our implementation of the translation in the Open64 compiler, and we focus on the strategies to improve sequential region translations. Our work is based upon the open source Open64 compiler suite for C, C++, and Fortran90/95.