Parallel prefetching and caching is hard

被引：0
|
作者：
Ambühl, C
Weber, B
机构：
[1] Inst Dalle Molle Studi Intelligenza Artificiale, CH-6928 Manno, Switzerland
[2] ETH, Inst Theoret Comp Sci, CH-8092 Zurich, Switzerland
来源：
STACS 2004, PROCEEDINGS | 2004年 / 2996卷
关键词：
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
In this paper we study integrated prefetching and caching in parallel disk systems. This topic has gained a lot of interest in the last years which manifests itself in numerous recent approximation algorithms. This paper provides the first negative result in this area by showing that optimizing the stall time is APX-hard. This also implies that computing the optimal processing time is NP-hard, which settles an open problem posed by Kimbrel and Karlin.
引用
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页码：211 / 221
页数：11
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