Determine energy-saving potential in wait-states of large-scale parallel programs

被引：7
|
作者：
Knobloch, Michael [1 ]
Mohr, Bernd [1 ]
Minartz, Timo [2 ]
机构：
[1] JSC, Forschungszentrum Julich, D-52425 Julich, Germany
[2] Univ Hamburg, Dept Informat, D-22527 Hamburg, Germany
来源：
COMPUTER SCIENCE-RESEARCH AND DEVELOPMENT | 2012年 / 27卷 / 04期
关键词：
Power consumption; Energy efficiency; Energy; Performance; Analysis; Scalasca; MPI;
D O I：
10.1007/s00450-011-0196-7
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Energy consumption is one of the major topics in high performance computing (HPC) in the last years. However, little effort is put into energy analysis by developers of HPC applications. We present our approach of combined performance and energy analysis using the performance analysis tool-set Scalasca. Scalascas parallel wait-state analysis is extended by a calculation of the energy-saving potential if a lower power-state can be used.
引用
收藏
页码：255 / 263
页数：9
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