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Algorithms and average time bounds of sorting on a mesh-connected computer

机译:网格连接计算机上的排序算法和平均时限

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We give three new parallel sorting algorithms on a mesh-connected computer with wraparound connections (i.e. a torus). These three algorithms, with the minimum queue size of 1, sort n/sup 2/ random input data items into a blocked snakelike row major order, a row major order, and a snakelike row major order, in 1.5n+o(n), 2n+o(n), and 2n+o(n) average steps, respectively. These results improve the previous results of 2n+o(n), 2.5n+o(n), and 2.5n+o(n), respectively. In addition, we prove that the distance bound n on a torus is an average-time lower bound independent of indexing schemes of sorting random input data items on it.
机译:我们在具有环绕连接(即圆环)的网状连接计算机上给出了三种新的并行排序算法。这三种算法的最小队列大小为1,将n / sup 2 /随机输入数据项按1.5n + o(n)分成阻塞的蛇状行主顺序,行主顺序和蛇状行主顺序。 ,2n + o(n)和2n + o(n)个平均步长。这些结果分别改善了先前的2n + o(n),2.5n + o(n)和2.5n + o(n)的结果。此外,我们证明了圆环上的距离限制n是平均时间下限,与对随机输入数据项进行排序的索引方案无关。

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