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

页码：659 / 668

页数：10

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