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<p>(SM)/sup 2/-II is a large-scale parallel machine dedicated to scientific computation which includes sparse matrix calculations. In order to connect thousands of microprocessors and utilize a high degree of parallelism, the whole (SM)/sup 2/-II system is designed based on a simple computational model called the node and connecting-line (NC) model. The concept and the architecture of (SM)/sup 2/-II are described. The NC-model and a language called node oriented concurrent C (NCC) are derived. The concurrent process controller is briefly introduced. Receiver selectable multicast (RSM) is proposed, and the structure which allows connection of a large number of processing units is described. The performance of the RSM is analyzed. Some connection structures for clusters are evaluated. An operational prototype is introduced.</p>
node and connecting-line model; receiver selectable multicast; large-scale multiprocessor; sparse matrix calculations; parallel machine; scientific computation; computational model; node oriented concurrent C; concurrent process controller; clusters; operational prototype; multiprocessing systems; parallel machines.
T. Kudoh, T. Boku, H. Amano, "(SM)/sup 2/-II: A Large-Scale Multiprocessor for Sparse Matrix Calculations", IEEE Transactions on Computers, vol. 39, no. , pp. 889-905, July 1990, doi:10.1109/12.55691
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