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A Fast Scalable Automaton-Matching Accelerator for Embedded Content Processors

A Fast Scalable Automaton-Matching Accelerator for Embedded Content Processors. Authors : KUO-KUN TSENG, YUAN-CHENG LAI, YING-DAR LIN and TSERN-HUEI LEE Publisher/Conf . : ACM TECS 2009 8(3) Presenter : Fang-Chen Kuo Date : 2009.4.29. Dept. of Computer Science and Information Engineering

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A Fast Scalable Automaton-Matching Accelerator for Embedded Content Processors

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  1. A Fast Scalable Automaton-Matching Accelerator for Embedded ContentProcessors Authors: KUO-KUN TSENG, YUAN-CHENG LAI, YING-DAR LIN and TSERN-HUEI LEE Publisher/Conf. : ACM TECS 2009 8(3) Presenter: Fang-Chen Kuo Date: 2009.4.29 Dept. of Computer Science and Information Engineering National Cheng Kung University, Taiwan R.O.C

  2. Outline • Related Work • Bitmap-AC • BFSM • Proposed Scheme • Sequential Algorithm • Prehash Matching • Root-Index Matching • Parallel Architecture • Performance Comparison

  3. Bitmap-AC [Tuck et al. 2004]

  4. BFSM [Dharmapurikar et al. 2004]

  5. FSAM (Fast Scalable Automaton Matching) • Based on Bitmap-AC [Tuck et al. 2004] • Hashing Based Scheme

  6. FSAM

  7. Sequential algorithm of FSAM

  8. Two Method • Prehash Matching • For Non-Root State • Goal: Reduced access to the structure of AC • Root-Index Matching • For Root State • Goal: Skip Multiple Characters

  9. Prehash Matching

  10. Prehash Matching (Example)

  11. Root-Index Matching

  12. FSAM (Parallel Architecture)

  13. Double Engine FSAM

  14. Hardware (Implementation)

  15. Performance Comparison Hardware (Comparison - I)

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