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Evaluating High Performance Pattern Matching on the Automata Processor
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DOI：10.1109/TC.2019.2901466.png)
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Abstract
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In this paper, we study the acceleration of applications that identify all the occurrences of thousands of string-patterns in an input data-stream using the Automata Processor (AP). For this evaluation, we use two applications from two fields, namely, cybersecurity and bioinformatics. The first application, called Fast-SNAP, scans network data for 4312 signatures of intrusion derived from the popular open-source Snort database. Using the resources of a single AP-board, Fast-SNAP can scan for all these signatures at 1 Gbps. The second application, called PROTOMATA, looks for all the occurrences of 1,309 motifs from the PROSITE database in protein sequences. PROTOMATA is up to 68 times faster than the state-of-the-art CPU implementation. As a comparison, we emulate the execution of the same NFAs by programming FPGAs using state-of-the-art techniques. We find that the performance derived by using the resources of a single AP-board, which houses 32 AP-chips, is comparable to that of the resources of five to six large FPGAs. The design techniques used in this paper are generic and may be applicable to the development of similar applications on the AP.
Keywords:
Finite automata
regular expressions
automata processor
FPGAs
intrusion detection
protein motifs
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