Power-Efficient Schemes via Workload Characterization on the Intel's Single-Chip Cloud Computer
Citations Over TimeTop 16% of 2012 papers
Abstract
The objective of this work is to evaluate the viability of implementing workload-aware dynamic power management schemes on a many-core platform, aiming at reducing power consumption for high performance computing (HPC) application. Two approaches were proposed to achieve the desired target. First approach is an off-line scheduling scheme where core voltage and frequency are set up beforehand based on the workload characterization of the application. The second approach is an on-line scheduling scheme, where core voltage and frequency are controlled based on a workload detection algorithm. Experiments were conducted using the 48-core Intel Single-chip Cloud Computer (SCC), running a parallelized Fire Spread Monte Carlo Simulation program. Both schemes were compared against a performance-driven, but non-power-aware management scheme. The results indicate that our schemes are able to reduce the power consumption up to 29\% with mild impact on the system performance.
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