Authors:
L.V. Kale and Sanjeev Krishnan
Parallel Programming Laboratory, Department of Computer Science, University of Illinois at Urbana-Champaign

Proceedings of the Conference on Object Oriented Programming Systems, Languages and Applications, Sept-Oct 1993. ACM Sigplan Notes, Vol. 28, No. 10, pp. 91-108. (Also: Technical Report UIUCDCS-R-93-1796, March 1993, University of Illinois, Urbana, IL.) [Internal Report #93-2, March 93]

>We describe Charm++, an object oriented portable parallel programming language based on C++. Its design philosophy, implementation, sample applications and their performance on various parallel machines are described. Charm++ is an explicitly parallel language consisting of C++ with a few extensions. It provides a clear separation between sequential and parallel objects. The execution model of Charm++ is message driven, thus helping one write programs that are latency-tolerant. The language supports multiple inheritance, dynamic binding, overloading, strong typing, and reuse for parallel objects. Charm++ provides specific modes for sharing information between parallel objects. Extensive dynamic load balancing strategies are provided. It is based on the Charm parallel programming system, and its runtime system implementation reuses most of the runtime system for Charm.

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