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ISVLSI
2008
IEEE

Uncriticality-Directed Low-Power Instruction Scheduling

8 years 8 months ago
Uncriticality-Directed Low-Power Instruction Scheduling
Intelligent mobile information devices require lowpower and high-performance processors. In order to reduce energy consumption with maintaining computing performance, we proposed to utilize information regarding instruction criticality. Every functional unit in our processor has different latency and energy consumption. Only critical instructions are executed in power-hungry units, and the total energy consumption can be reduced. While we have studied several techniques to identify critical instructions for years, we have not found any technique that achieves both simplicity and high accuracy to identify. In this paper, we propose to exploit uncriticality rather than criticality. Only uncritical instructions are executed in power-efficient units, and energy consumption can be reduced. Our simulation results show approximately 10% energy reduction.
Shingo Watanabe, Toshinori Sato
Added 31 May 2010
Updated 31 May 2010
Type Conference
Year 2008
Where ISVLSI
Authors Shingo Watanabe, Toshinori Sato
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