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计算机工程 ›› 2009, Vol. 35 ›› Issue (18): 234-236.doi: 10.3969/j.issn.1000-3428.2009.18.082

• 工程应用技术与实现 • 上一篇    下一篇

基于SPM的多核SoC访存结构设计与优化

刘 磊，严 明，李思昆   

  1. (国防科技大学计算机学院，长沙 410073)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-09-20 发布日期:2009-09-20

Design and Optimization of Memory Access Structure for Multicore-SoC Based on SPM

LIU Lei, YAN Ming, LI Si-kun   

  1. (School of Computer Science, National University of Defense Technology, Changsha 410073)
  • Received:1900-01-01 Revised:1900-01-01 Online:2009-09-20 Published:2009-09-20

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摘要： 针对“一个RISC主处理器核+几个专用协处理器核”结构的计算密集型SoC，设计一种以执行命令方式完成大块数据传输的高效访存结构。通过增加组传输和流水传输模式，对该结构进行优化。实验结果表明，该访存结构设计及优化方案的数据传输效率高、实现开销小，并且对同类SoC系统，该设计具有良好的适用性。

关键词: 便签式存储器, 多核SoC, 访存

Abstract: Aiming at the structure of compute-intensive SoC that “one RISC main processor core + some dedicated co-processor cores”, this paper designs a memory access structure which supports a command-driven chunk data transfer. The structure is optimized with block-transfer and pipeline-transfer support. Experimental results show that the structure after optimization has high efficiency, low cost and well flexibility.

Key words: Scratchpad Memory(SPM), multicore-SoC, memory access

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