Efficient parallel algorithms for computing all pair shortest paths in directed graphs

被引:23
|
作者
Han, YJ
Pan, VY
Reif, JH
机构
[1] UNIV KENTUCKY,DEPT COMP SCI,LEXINGTON,KY 40506
[2] CUNY HERBERT H LEHMAN COLL,DEPT MATH & COMP SCI,BRONX,NY 10468
[3] DUKE UNIV,DEPT COMP SCI,DURHAM,NC 27706
关键词
analysis of algorithms; design of algorithms; parallel algorithms; graph algorithms; shortest path;
D O I
10.1007/BF02523680
中图分类号
TP31 [计算机软件];
学科分类号
081202 ; 0835 ;
摘要
We present parallel algorithms for computing all pair shortest paths in directed graphs. Our algorithm has time complexity O(f(n)/p + I(n)log n) on the PRAM using p processors, where I(n) is log n on the EREW PRAM, log log n on the CCRW PRAM, f(n) is o(n(3)). On the randomized CRCW PRAM we are able to achieve time complexity O (n(3)/p + log n) using p processors.
引用
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页码:399 / 415
页数:17
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