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Energy Aware Race to Halt: A Down to EARtH Approach for Platform Energy Management
RapidPost
ISSN: 1556-6056
Efraim Rotem, Intel Technion, Haifa
Ran Ginosar, Technion, Haifa
Uri Weiser, Technion, Haifa
Avi Mendelson, Microsoft Technion, Haifa Haifa
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.
Index Terms:
C.5.5 Servers,B Hardware,B.9 Power Management,B Hardware,B.9 Power Management,B.9.2 Energy-aware systems,C Computer Systems Organization,C.4 Performance of Systems,C Computer Systems Organization,C.5 Computer System Implementation,C.5.4 VLSI Systems,C Computer Systems Organization,C.5 Computer System Implementation
Citation:
Efraim Rotem, Ran Ginosar, Uri Weiser, Avi Mendelson, "Energy Aware Race to Halt: A Down to EARtH Approach for Platform Energy Management," IEEE Computer Architecture Letters, 08 Oct. 2012. IEEE computer Society Digital Library. IEEE Computer Society, <http://doi.ieeecomputersociety.org/10.1109/L-CA.2012.32>
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