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Active Low-Power Modes for Main Memory with MemScale
May/June 2012 (vol. 32 no. 3)
pp. 60-69
Qingyuan Deng, Rutgers University
Luiz Ramos, Rutgers University
Ricardo Bianchini, Rutgers University
David Meisner, University of Michigan, Ann Arbor
Thomas F. Wenisch, University of Michigan, Ann Arbor
Main memory accounts for a growing fraction of server energy usage. Investigating active low-power modes for managing main memory, with a system called MemScale, the authors offer a solution for performance-aware energy management. By creating a set of low-power modes, hardware mechanisms and software policies, MemScale trades memory bandwidth for energy savings while tightly limiting the associated performance impact.
Index Terms:
memory subsystem, energy conservation, dynamic voltage and frequency scaling, MemScale
Qingyuan Deng, Luiz Ramos, Ricardo Bianchini, David Meisner, Thomas F. Wenisch, "Active Low-Power Modes for Main Memory with MemScale," IEEE Micro, vol. 32, no. 3, pp. 60-69, May-June 2012, doi:10.1109/MM.2012.21
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