Geyser-1: A MIPS R3000 CPU core with fine grain runtime power gating
Geyser-1: A MIPS R3000 CPU core with fine grain runtime power gating
复制标题
Geyser-1:具有细粒度运行时功率门控的 MIPS R3000 CPU 内核
DOI:
10.1109/asscc.2009.5357257
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发表时间:
2009
期刊:
影响因子:
--
通讯作者:
Masaaki Kondo
中科院分区:
文献类型:
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作者:
Daisuke Ikebuchi;Naomi Seki;Y. Kojima;M. Kamata;L. Zhao;Hideharu Amano;T. Shirai;S. Koyama;T. Hashida;Y. Umahashi;H. Masuda;K. Usami;S. Takeda;Hiroshi Nakamura;M. Namiki;Masaaki Kondo
Geyser-1, a prototype MIPS R3000 CPU with fine grain runtime PG for major computational components in the execution stage is available. Function units such as CLU, shifter, multiplier and divider are power-gated and controlled at runtime such that only the function unit to be used is powered-on to minimize the leakage power. The evaluation results on the real chip reveals that the fine grain runtime PG mechanism works without electric problems. It reduces the leakage power 7% at 25 °C and 24% at 80°C. The evaluation results using benchmark programs show that the power consumption can be reduced from 3% at 25 °C and 30% at 80°C.
DOI:
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发表时间:
2006
期刊:
影响因子:
--
作者:
藤井 聖司;牟田 貴里子;齊藤 修
通讯作者:
齊藤 修