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Energy Aware Race to Halt: A Down to EARtH Approach for Platform Energy Management

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4 Author(s)
Rotem, E. ; Intel Technion, Haifa ; Ginosar, R. ; Weiser, U. ; Mendelson, A.

The EARtH algorithm finds the optimal voltage and frequency operational point of the processor in order to achieve minimum energy of the computing platform. The algorithm is based on a theoretical model employing a small number of parameters, which are extracted from real systems using off-line and run-time methods. The model and algorithm have been validated on real systems using 45nm, 32nm and 22nm Intel® Core processors. The algorithm can save up to 44% energy compared with the commonly used fixed frequency policies.

Published in:

Computer Architecture Letters  (Volume:PP ,  Issue: 99 )