Design and Performance Evaluation of a Portable Parallel Library for Space-Time Adaptive Processing
IEEE Transactions on Parallel and Distributed Systems
ECO: Efficient Collective Operations for Communication on Heterogeneous Networks
IPPS '96 Proceedings of the 10th International Parallel Processing Symposium
Optimal bucket algorithms for large MPI collectives on torus interconnects
Proceedings of the 24th ACM International Conference on Supercomputing
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It has been recognized that many parallel numerical algorithms can be effectively implemented by formulating the required communication as collective communications. Nonetheless, the efficiency of such communications has been suboptimal in many communication library implementations. In this paper, we give a brief overview of techniques that can be used to implement a high performance collective communication library, the iCC library, developed for the Intel family of parallel supercomputers as part of the InterCom project at the University of Texas at Austin. We compare the achieved performance on the Intel Paragon to those of three widely available libraries: Intel''s NX collective communication library, the MPICH Message Passing Interface (MPI) implementation developed at Argonne and Mississippi State University and a Basic Linear Algebra Communication Subprograms (BLACS) implementation, developed at the University of Tennessee.