pC++/streams: a library for I/O on complex distributed data sources

Authors:
Jacob Gotwals;Suresh Srinivas;Dennis Gannon
Affiliations:
Department of Computer Science, Lindley Hall 215, Indiana University, Bloomington, IN;Department of Computer Science, Lindley Hall 215, Indiana University, Bloomington, IN;Department of Computer Science, Lindley Hall 215, Indiana University, Bloomington, IN
Venue:
PPOPP '95 Proceedings of the fifth ACM SIGPLAN symposium on Principles and practice of parallel programming
Year:
1995

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Abstract

The design and implementation of portable, efficient, and expressive mechanisms for I/O on complex distributed data structures—such as found in adaptive parallel applications—is a challenging problem that we address in this paper.We describe the design, programmer interface, implementation, and performance of pC++/streams, a library that provides an expressive mechanism for I/O on distributed arrays of variable-sized objects in pC++, an object-parallel language. pC++/streams is intended for developers of parallel programs requiring efficient high-level I/O abstractions for checkpointing, scientific visualization, and debugging.pC++/streams is an implementation of d/streams, a language-independent abstraction for buffered I/O on distributed data structures. We describe the d/streams abstraction and present performance results on the Intel Paragon and SGI Challenge showing that d/streams can be implemented efficiently and portably.