| SDRAM存储器的交错机制及其应用 |
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| 引用本文： | 于银涛,赵昕,乔丽萍.SDRAM存储器的交错机制及其应用[J].计算机工程与设计,2008,29(21). |
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| 作者姓名： | 于银涛 赵昕 乔丽萍 |
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| 作者单位： | 1. 北京计算机技术及应用研究所,北京,100854
2. 第二炮兵,北京,100039 |
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| 摘 要： | 在分析sDRAM(同步动态随即存取存储器)存储器的结构和访问时序的基础上,介绍了SDRAM的交错机制,并分析了交错机制对SDRAM访问性能的影响.通过对基于页的交错和基于体的交错方式的对比分析,得出基于页的交错方式具有更好的访问性能的结论,并通过实际测试证明了这一结论.测试结果表明,在相同的硬件条件下,采用基于页的交错方式比基于体的交错方式提高4%～5%的性能.
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| 关 键 词： | 同步动态随即存取存储器 存储体 页 交错 基于页的交错 基于体的交错 |
Application of interleaving mechanism of SDRAM |
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| YU Yin-tao,ZHAO Xin,QIAO Li-ping.Application of interleaving mechanism of SDRAM[J].Computer Engineering and Design,2008,29(21). |
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| Authors: | YU Yin-tao ZHAO Xin QIAO Li-ping |
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| Affiliation: | YU Yin-tao1,ZHAO Xin2,QIAO Li-ping2(1.Beijing Computer Technology , Application Institute,Beijing 100854,China,2.Second Missile Army,Beijing 100039,China) |
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| Abstract: | The architecture and access flow of SDRAM is described,the interleaving mechanism of SDRAM is described,and how this mechanism affects the performance is analyzed.Contrasted the differences between PBI(page-based interleaving) and BBI(bank-based interleaving),a conclusion is made that PBI has a better performance on memory access.As proved by the experimentation,SDRAM in PBI works 4%~5% faster than that in BBI. |
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| Keywords: | SDRAM bank page interleaving PBI(page based interleaving) BBI(bank based interleaving) |
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