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With the ever increasing needs of power aware architecture and circuit design in recent years, how to reduce the power consumption of processors without sacrificing performance has become an important issue. In this paper, we propose a new method for low power branch prediction-Hedging Filter, which combines filtering scheme reducing dynamic power consumption with hedging prediction mechanism lowering...
In this paper we propose a hierarchical decoder to augment power saving of the sentry-table filter based low power branch target buffer (BTB) of branch predictor in modern processors. The sentry table scheme filtrates unnecessary accesses of branch target buffer to reduce dynamic power consumption, yet the power saving was found hysterically bound by the power dissipation of decoder, especially when...
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