Lossless Fault-Tolerant Data Structures with Additive Overhead

被引：0
|
作者：
Christiano, Paul [1 ]
Demaine, Erik D. [1 ]
Kishore, Shaunak [1 ]
机构：
[1] MIT, Comp Sci & Artificial Intelligence Lab, 32 Vassar St, Cambridge, MA 02139 USA
来源：
ALGORITHMS AND DATA STRUCTURES | 2011年 / 6844卷
基金：
新加坡国家研究基金会;
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We develop the first dynamic data structures that tolerate delta memory faults, lose no data, and incur only an (O) over tilde(delta) additive overhead in overall space and time per operation. We obtain such data structures for arrays, linked lists, binary search trees, interval trees, predecessor search, and suffix trees. Like previous data structures, delta must be known in advance, but we show how to restore pristine state in linear time, in parallel with queries, making delta just a bound on the rate of memory faults. Our data structures require Theta(delta) words of safe memory during an operation, which may not be theoretically necessary but seems a practical assumption.
引用
收藏
页码：243 / +
页数：3
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