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Integrating Fine-Grained Application Adaptation with Global Adaptation for Saving Energy
 

Summary: Integrating Fine-Grained Application Adaptation with
Global Adaptation for Saving Energy

Vibhore Vardhan, Daniel Grobe Sachs, Wanghong Yuan, Albert F. Harris,
Sarita V. Adve, Douglas L. Jones, Robin H. Kravets, and Klara Nahrstedt
University of Illinois at Urbana-Champaign
grace@cs.uiuc.edu
Abstract
Energy efficiency has become a primary design criterion
for mobile multimedia devices. Prior work has proposed
saving energy through coordinated adaptation in multiple
system layers, in response to changing application demands
and system resources. The scope and frequency of adapta-
tion pose a fundamental conflict in such systems. The Illi-
nois GRACE project addresses this conflict through a hier-
archical solution which combines (1) infrequent (expensive)
global adaptation that optimizes energy for all applications
in the system and (2) frequent (cheap) per-application (or
per-app) adaptation that optimizes for a single application
at a time. This paper demonstrates the benefits of the hi-

  

Source: Adve, Sarita - Department of Computer Science, University of Illinois at Urbana-Champaign

 

Collections: Computer Technologies and Information Sciences