LOCALITY

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An Improved Algorithm for Optimizing MapReduce Based on Locality and Overlapping被引量：5
《Tsinghua Science and Technology》2018年第6期744-753,共10页Jianjiang Li Jie Wang Bin Lyu Jie Wu Xiaolei Yang 
supported by the National Key R&D Program of China(Nos.2017YFB0202104 and 2017YFB0202003)
MapReduce is currently the most popular programming model for big data processing, and Hadoop is a weU-known MapReduce implementation platform. However, Hadoop jobs suffer from imbalanced workloads during the reduce p...
关键词：MAPREDUCE OVERLAPPING load balance data locality 
Exploitation of Locality for Energy Efficiency for Breadth First Search in Fine-Grain Execution Models被引量：1
《Tsinghua Science and Technology》2013年第6期636-646,共11页Chen Chen Souad Koliai Guang Gao 
National Science Foundation of USA(Nos.CCF-0833122,CCF-0925863,CCF-0937907,CNS-0720531,and OCI-0904534);supported by the Department of Energy(National Nuclear Security Administration)under the Award Number DE-SC0008717.Moreover;partly supported by European FP7 project TERAFLUX,id.249013
In the upcoming exa-scale era, the exploitation of data locality in parallel programs is very important because it benefits both program performance and energy efficiency. However, this is a hard topic for graph algor...
关键词：breadth first search LOCALITY fine grain execution model 
PMU Guided Structure Data-Layout Optimization
《Tsinghua Science and Technology》2011年第2期145-150,共6页闫家年 陈文光 郑纬民 
Existing methods of obtaining runtime feedback for structure data-layout optimization have several drawbacks, such as large overhead and difficulty composing training sets. As a result, structure data-layout optimizat...
关键词：structure data layout performance monitoring unit （PMU） compiler optimization program locality 
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