Frequency scaling and energy efficiency regarding the Gauss-Jordan elimination scheme with application to the matrix-sign-function on OpenPOWER 8

被引：1

作者：

Koehler, Martin ^{[1
]}

Saak, Jens ^{[1
]}

机构：

[1] Max Planck Inst Dynam Complex Tech Syst, Computat Methods Syst & Control Theory, D-39104 Magdeburg, Germany

来源：

CONCURRENCY AND COMPUTATION-PRACTICE & EXPERIENCE | 2019年 / 31卷 / 06期

关键词：

energy efficiency; Gauss-Jordan-elimination; GPU acceleration; matrix sign function; POLAR DECOMPOSITION;

D O I：

10.1002/cpe.4504

中图分类号：

TP31 [计算机软件];

学科分类号：

081202 ; 0835 ;

摘要：

The Gauss-Jordan Elimination scheme is an alternative to the LU decomposition for solving linear systems or computing the inverse of a matrix. We develop a multi-GPU aware implementation of this algorithm on an OpenPOWER 8 system with application to the Matrix Sign Function. Thereby, we analyze the influence of the CPU clock frequency scaling on the overall energy consumption. The results show possible energy saving of 14.2% without a noteworthy increase of the runtime.

引用

页数：16