Gbit/s lossless data compression hardware

  • Authors:
  • José Luis Núñez;Simon Jones

  • Affiliations:
  • Department of Electronic and Electrical Engineering, University of Loughborough, Leicestershire LE11 3TU U.K.;Department of Engineering and Design, University of Bath, Bath BA2 7AY, U.K.

  • Venue:
  • IEEE Transactions on Very Large Scale Integration (VLSI) Systems - Special section on the 2001 international conference on computer design (ICCD)
  • Year:
  • 2003

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Abstract

This paper presents the X-MatchPRO high-speed lossless data compression algorithm and its hardware implementation, which enables data independent throughputs of 1.6 Gbit/s compression and decompression using contemporary low-cost reprogrammable field-programmable gate array technology. A full-duplex implementation is presented that allows a combined compression and decompression performance of 3.2 Gbit/s. The features of the compression algorithm and architecture that have enabled the high throughputs are described in detail. A comparison between this device and other commercially available data compressors is made in terms of technology, compression ratio, and throughput. X-MatchPRO is a fully synchronous design proven in silicon specially targeted to improve the performance of Gbit/s storage and communication applications.