Measuring Code Optimization Impact on Voltage Noise

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Measuring Code Optimization Impact on Voltage Noise

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Title: Measuring Code Optimization Impact on Voltage Noise
Author: Kanev, Svilen; Jones, Timothy M.; Wei, Gu-Yeon; Brooks, David M.; Janapa Reddi, Vijay

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Citation: Kanev, Svilen, Timothy M. Jones, Gu-Yeon Wei, David Brooks, and Vijay Reddi. 2013. “Measuring Code Optimization Impact on Voltage Noise.” In the Proceedings of the 9th Silicon Errors in Logic - System Effects Workshop (SELSE 9), Palo Alto, California, March 26 – 27, 2013.
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Abstract: In this paper, we characterize the impact of compiler optimizations on voltage noise. While intuition may suggest that the better processor utilization ensured by optimizing compilers results in a small amount of voltage variation, our measurements on a Intel® Core™2 Due Processor show the opposite - the majority of SPEC 2006 benchmarks exhibit more voltage droops when aggressively optimized. We show that this increase in noise could be sufficient for a net performance decrease in a typical case, resilient design.
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