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LZMA压缩算法FPGA硬件实现

李冰 张林 刘勇

李冰, 张林, 刘勇等 . LZMA压缩算法FPGA硬件实现[J]. 北京航空航天大学学报, 2015, 41(3): 375-382. doi: 10.13700/j.bh.1001-5965.2014.0169
引用本文: 李冰, 张林, 刘勇等 . LZMA压缩算法FPGA硬件实现[J]. 北京航空航天大学学报, 2015, 41(3): 375-382. doi: 10.13700/j.bh.1001-5965.2014.0169
LI Bing, ZHANG Lin, LIU Yonget al. FPGA hardware implementation of the LZMA compression algorithm[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(3): 375-382. doi: 10.13700/j.bh.1001-5965.2014.0169(in Chinese)
Citation: LI Bing, ZHANG Lin, LIU Yonget al. FPGA hardware implementation of the LZMA compression algorithm[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(3): 375-382. doi: 10.13700/j.bh.1001-5965.2014.0169(in Chinese)

LZMA压缩算法FPGA硬件实现

doi: 10.13700/j.bh.1001-5965.2014.0169
基金项目: “十二五”国家科技支撑计划课题(2013BAJ05B03)
详细信息
    通讯作者:

    李冰(1968—),男,江苏南京人,教授,bernie_seu@seu.edu.cn,主要研究方向为大数据云计算.

  • 中图分类号: TP391.1;TN492

FPGA hardware implementation of the LZMA compression algorithm

  • 摘要: LZMA(Lempel Ziv Markov-chain Algorithm)无损压缩算法在进行数据压缩时速度慢且占用大量的CPU(Central Processing Unit)资源,不能满足实时系统的要求.在改进算法的基础上,采用FPGA(Field Programmable Gate Array)设计了一个LZMA压缩算法硬件加速电路.该电路由LZ77压缩控制器、区间编码控制器和数据读出控制器组成,采用数据乒乓结构、高性能并行匹配结构和流水线处理结构等多种方法提高了LZMA压缩算法的速度,在支持标准LZMA压缩文件格式的同时,将压缩速度提升到近125 Mb/s,相比基于软件的LZMA算法加速10倍,每个时钟处理的相对数据加速近200倍.最后通过基于Virtex-6 FPGA的ML605开发平台验证了硬件加速电路的正确性和可行性.

     

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出版历程
  • 收稿日期:  2014-03-31
  • 网络出版日期:  2015-03-20

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