Estimating influence of data layout optimizations on SDRAM energy consumption

Estimating influence of data layout optimizations on SDRAM energy consumption
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估计数据布局优化对 SDRAM 能耗的影响

DOI:
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发表时间:
2003
期刊:
Proceedings of the 2003 International Symposium on Low Power Electronics and Design, 2003. ISLPED '03.
影响因子:
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通讯作者:
M. J. Irwin
M. J. Irwin
中科院分区:
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文献类型:
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作者:
Hyun Suk Kim;N. Vijaykrishnan;M. Kandemir;E. Brockmeyer;F. Catthoor;M. J. Irwin

文献摘要

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从基于sdram的架构中获取最大好处的一个重要问题是在页面粒度上利用数据局部性。数据页之间的频繁切换会增加内存延迟,并对能耗产生影响。在本文中,我们提出了一个数学公式,使用Presburger算法和Ehrhart多项式来静态估计分页符的数量(即,在编译时)。使用视频编码的结果表明,该框架能够较准确地估计出分页符的数量。
An important problem in extracting maximum benefits from an SDRAM-based architecture is to exploit data locality at the page granularity. Frequent switches between data pages can increase memory latency and have an impact on energy consumption. In this paper, we propose a mathematical formulation, using Presburger arithmetic and Ehrhart polynomials to-estimate the number of page breaks statically (i.e., at compile time). The results obtained using video codes indicate that the proposed framework can estimate the number of page breaks with good accuracy.