| 一种改进的记录缓冲低功耗指令cache方案 |
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| 引用本文： | 马志强,季振洲,胡铭曾.一种改进的记录缓冲低功耗指令cache方案[J].江苏大学学报(自然科学版),2010,31(1). |
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| 作者姓名： | 马志强 季振洲 胡铭曾 |
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| 作者单位： | 1. 哈尔滨工程大学,计算机科学与技术学院,黑龙江,哈尔滨,150001
2. 哈尔滨工业大学,计算机科学与技术学院,黑龙江,哈尔滨,150001 |
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| 基金项目： | 国家自然科学基金资助项目(60475012) |
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| 摘 要： | 针对记录缓冲低功耗cache过滤大部分无效访问、降低功耗的同时无法降低静态功耗的问题,在记录缓冲基础上提出一种改进方案.设计了针对指令存储单元的状态控制电路,在相应的控制逻辑的驱动下自动将不常用的指令存储单元设置为休眠状态,从而有效节省cache的静态功耗.为验证方案的有效性,采用10个SPEC2000标准测试程序进行仿真,并与传统缓冲cache在功耗、性能及面积上进行比较.结果表明该方案在牺牲少量性能和面积的基础上可有效节省指令cache的静态和动态功耗.
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| 关 键 词： | cache 低功耗 静态功耗 动态功耗 缓冲器 |
An enhanced energy efficient instruction cache based on record buffer |
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| Ma Zhiqiang,Ji Zhenzhou,Hu Mingzeng.An enhanced energy efficient instruction cache based on record buffer[J].Journal of Jiangsu University:Natural Science Edition,2010,31(1). |
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| Authors: | Ma Zhiqiang Ji Zhenzhou Hu Mingzeng |
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| Institution: | 1.College of Computer Science and Technology/a>;Harbin Engineering University/a>;Harbin/a>;Heilongjiang 150001/a>;China/a>;2.School of Computer Science and Technology/a>;Harbin Institute of Technology/a>;China |
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| Abstract: | To solve the problem that low-power recorder buffer cache(RBC) has no contribution to static power saving while saving the active power consumption by filtering the unnecessary data array accesses,an enhanced recorder buffer cache(ERBC) is proposed based on RBC.The state control circuit for instruction storage unit is designed.Actuated by the control logic,this circuit could place invalid instruction storage unit in sleep state,thus the static power consumption can be saved.To verify the validity of ERBC,si... |
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| Keywords: | cache low-power consumption static power consumption active power consumption buffer |
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