Observations on optimal parallelizations of two-list algorithm

被引：2

作者：

Alonso Sanches, Carlos Alberto ^{[1
]}

Soma, Nei Yoshihiro ^{[1
]}

Yanasse, Horacio Hideki ^{[2
]}

机构：

[1] CTA ITA IEC, Inst Tecnol Aeronaut, BR-12228900 Sao Jose Dos Campos, SP, Brazil

[2] INPE LAC, Inst Nacl Pesquisas Espaciais, BR-12227010 Sao Jose Dos Campos, SP, Brazil

来源：

PARALLEL COMPUTING | 2010年 / 36卷 / 01期

基金：

巴西圣保罗研究基金会;

关键词：

Knapsack problem; Subset-sum problem; Parallel algorithm; Two-list algorithm;

D O I：

10.1016/j.parco.2009.09.005

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

For more than three decades, the very well known and famous two-list Horowitz and Sahni algorithm [3] remains the serial upper-bound for the 0-1 Knapsack problem with n items (KP01) in a time bounded by O(2(n/2)). Recently, Chedid [2] Suggested an optimal parallelization for that algorithm to a KP01 variation - the subset-sum problem - in a PRAM CREW with p = 2(n/8) processors. It is presented here that, in addition to be incomplete, the Chedid result is a particular case given by Sanches et al. [6]. (c) 2009 Elsevier B.V. All rights reserved.

引用

页码：65 / 67

页数：3

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