Journal of Applied Sciences ›› 2016, Vol. 34 ›› Issue (6): 724-733.doi: 10.3969/j.issn.0255-8297.2016.06.008

• Electronic Engineering • Previous Articles     Next Articles

Efficient Management Mechanism for Configuration Cache of Reconfigurable System for Multimedia Applications

LIU Bo, GONG Yu, JI Cheng, WANG Xiao-tong, MEI Chen   

  1. National ASIC System Engineering Technology Research Center, Southeast University, Nanjing 210096, China
  • Received:2015-02-02 Revised:2016-01-20 Online:2016-11-30 Published:2016-11-30

Abstract:

The scheduling process of configuration context severely limits the performance of reconfigurable systems for multimedia applications. This paper proposes a management mechanism for configuration cache based on a hierarchical configuration context organization mechanism. It includes a configuration context prefetching mechanism based on preparsing and a hierarchical replacement strategy based on hybrid priorities. Experimental results show that the design described in this paper can improve configuration information access performance by 4.34 times. The proposed data cache structure has been applied in a reconfigurable system and implemented in a real chip. Processing performance of the reconfigurable system based on the proposed data cache structures is better than that of other reconfigurable architectures by more than 1.8 times.

Key words: configuration pre-fetching, reconfigurable computing, configuration cache, multimedia application

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