Adaptive clocking with dynamic power gating for mitigating energy efficiency & performance impacts of fast voltage droop in a 22nm graphics execution core
M. Cho, Carlos Tokunaga, Stephen T. Kim, J. Tschanz, M. Khellah, V. De
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引用次数: 3
Abstract
Combining adaptive clocking with dynamic power gating in an optimal manner mitigates energy efficiency and performance impacts of fast supply voltage droop in a 22nm graphics execution core more effectively than adaptive clocking alone. Measurements show that there is an optimal VMIN where the combination provides the best improvement - 14% lower energy at 890MHz vs. 4% with adaptive clocking.
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