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HPCN Europe '99 Proceedings of the 7th International Conference on High-Performance Computing and Networking
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ICCS '01 Proceedings of the International Conference on Computational Sciences-Part I
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Proceedings of the 7th European PVM/MPI Users' Group Meeting on Recent Advances in Parallel Virtual Machine and Message Passing Interface
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ISPA'05 Proceedings of the Third international conference on Parallel and Distributed Processing and Applications
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Fast scalable collective operations are very important for achieving good application performance for highly parallel systems. This paper discusses scalability and absolute performance of various algorithms for collective communication. Performance is measured on the world largest SCI cluster, a machine with 96 dual Pentium II nodes interconnected with SCI, showing good scalability and performance.