On-line thermal aware dynamic voltage scaling for energy optimization with frequency/temperature dependency consideration

With new technologies, temperature has become a major issue to be considered at system level design. Without taking temperature aspects into consideration, no approach to energy or/and performance optimization will be sufficiently accurate and efficient. In this paper we propose an on-line temperature aware dynamic voltage and frequency scaling (DVFS) technique which is able to exploit both static and dynamic slack. The approach implies an offline temperature aware optimization step and on-line voltage/frequency settings based on temperature sensor readings. Most importantly, the presented approach is aware of the frequency/temperature dependency, by which important additional energy savings are obtained. Categories and Subject Descriptors C.3 [Special-Purpose and Application-Based Systems]: Microprocessor/microcomputer applications, real-time and embedded systems; D.4.1 [Operating Systems]: Process Management— scheduling; J.6 [Computer-Aided Engineering]: computer-aided design; J....

• Type: Conference
• Year: 2009
• Where: DAC
• Authors: Min Bao, Alexandru Andrei, Petru Eles, Zebo Peng
• Keywords: Computer Architecture, DAC 2009, Keywords Temperature Dependency, Temperature Aware Optimization, Temperature Sensor Readings