Communication Efficient Algorithms for Top-k Selection Problems

被引：6
|
作者：
Huebschle-Schneider, Lorenz [1 ]
Sanders, Peter [1 ]
机构：
[1] Karlsruhe Inst Technol, Inst Theoret Informat, Karlsruhe, Germany
来源：
2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) | 2016年
关键词：
frequent elements; sampling; selection; sum aggregation; priority queue;
D O I：
10.1109/IPDPS.2016.45
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
We present scalable parallel algorithms with sublinear per-processor communication volume and low latency for several fundamental problems related to finding the most relevant elements in a set, for various notions of relevance: We begin with the classical selection problem with unsorted input. We present generalizations with sorted inputs, dynamic content (bulk-parallel priority queues), and multiple criteria. Then we move on to finding frequent objects and top-k sum aggregation.
引用
收藏
页码：659 / 668
页数：10
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