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The compare and branch sequences required in a traditional sort algorithm can not efficiently exploit multiple execution units present in currently available high performance RISC processors. This is because of the long latency of the compare instructions and the sequential algorithm used in sorting. With the increased level of integration on a chip, this trend is expected to continue. The paper has developed new sort algorithms which eliminate almost all the compares, provide functional parallelism which can be exploited by multiple execution units, significantly reduce the number of passes through keys, and improve data locality. These new algorithms outperform traditional sort algorithms by a large factor.

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Format:PDFSize:139 KB
Date:Nov 2007
Pages:7

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