A parallel scheme using the divide-and-conquer method

被引：0
|
作者：
Yang, Q
Dao, S
Yu, C
Rishe, NA
机构：
[1] UNIV ILLINOIS, DEPT ELECT ENGN & COMP SCI, CHICAGO, IL 60607 USA
[2] FLORIDA INT UNIV, MIAMI, FL 33199 USA
来源：
DISTRIBUTED AND PARALLEL DATABASES | 1997年 / 5卷 / 04期
基金：
美国国家航空航天局;
关键词：
D O I：
10.1023/A:1008688512013
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A parallel scheme using the divide-and-conquer method is developed. This partitions the input set of a problem into subsets, computes a partial result from each subset, and finally employs a merging function to obtain the final answer. Based on a linear recursive program as a tool for formalism, a precise characterization for problems to be parallelized by the divide-and-conquer method is obtained. The performance of the parallel scheme is analyzed, and a necessary and sufficient condition to achieve linear speedup is obtained. The parallel scheme is generalized to include parameters, and a real application, the fuzzy join problem, is discussed in detail using the generalized scheme.
引用
收藏
页码：405 / 438
页数：34
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