流水线阶段统一:未来移动处理器的低能耗技术

Proceedings of the 2003 International Symposium on Low Power Electronics and Design, 2003. ISLPED '03. Pub Date : 2003-08-25 DOI:10.1145/871506.871587

Hajime Shimada, H. Ando, T. Shimada

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引用次数: 48

摘要

最新的移动处理器要求同时表现出低能耗和高性能。为了满足这些要求，目前采用了动态电压缩放(DVS)。然而，由于可变电源电压范围的缩小，其未来的有效性将受到限制。作为一种替代方案，我们之前提出了管道级统一(PSU)，它在不降低电源电压的情况下以节能模式统一多个管道级。本文比较了PSU和DVS在当前和未来过程代中的有效性。我们的评估结果表明，在大约10年后，PSU将比DVS减少27-34%的能耗。

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Pipeline stage unification: a low-energy consumption technique for future mobile processors

Recent mobile processors are required to exhibit both low-energy consumption and high performance. To satisfy these requirements, dynamic voltage scaling (DVS) is currently employed. However, its effectiveness will be limited in the future because of shrinking the variable supply voltage range. As an alternative, we previously proposed pipeline stage unification (PSU), which unifies multiple pipeline stages without reducing the supply voltage at a power-saving mode. This paper compares effectiveness of PSU to DVS in current and future process generations. Our evaluation results show PSU will reduce energy consumption by 27-34% more than DVS after about 10 years.

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Proceedings of the 2003 International Symposium on Low Power Electronics and Design, 2003. ISLPED '03.

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