Improving the energy efficiency of MPI applications by means of malleability

被引：5
|
作者：
Rodriguez-Gonzalo, Manuel [1 ]
Singh, David E. [1 ]
Garcia Blas, Javier [1 ]
Carretero, Jesus [1 ]
机构：
[1] Univ Carlos III Madrid, Dept Comp Sci, Madrid 28911, Spain
来源：
2016 24TH EUROMICRO INTERNATIONAL CONFERENCE ON PARALLEL, DISTRIBUTED, AND NETWORK-BASED PROCESSING (PDP) | 2016年
关键词：
Malleability; energy-aware; MPI; PERFORMANCE;
D O I：
10.1109/PDP.2016.98
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
This work presents two novel techniques for increasing the energy efficiency of parallel applications by means of malleability. These techniques are implemented as an extension of Flex-MPI, a library implemented on top of MPI, which provides performance-aware dynamic reconfiguration for MPI-based applications. During the application execution, Flex-MPI performs energy and performance monitoring by means of energy and performance counters. It leverages this information in order to adapt the program performance using two energy policies: energy minimization and performance-per-watt maximization. The evaluation results show that these new energy-aware capabilities permit MPI applications to be executed in an optimized way both in terms of performance and energy efficiency.
引用
收藏
页码：627 / 634
页数：8
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