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Design of high performance pattern matching engine through compact deterministic finite automata

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2 Author(s)
Piyachon, P. ; Dept. of Electr. & Comput. Eng., Univ. of Massachusetts Lowell, Lowell, MA ; Yan Luo

Pattern matching relies on deterministic finite automata (DFA) to search for predefined patterns. While a bit-DFA method is recently proposed to exploit the parallelism in pattern matching, we identify its limitations and present two schemes, label translation table (LTT) and CAM-based lookup table (CLT), to reduce the DFA memory size by 85%, and simplify the design by requiring only four processing elements of bit-DFA instead of thousands.

Published in:

Design Automation Conference, 2008. DAC 2008. 45th ACM/IEEE

Date of Conference:

8-13 June 2008