TNT Parser: Performance (1/4)

• Used Grammar: XHPSG (English Grammar)

  • A feature structure has about 150 nodes in average.

• Used Processor: Pentium II 400Mhz

• Used Memory : 440 Mbytes

• Comparison with three parsers

  • Naive (I.e., no filtering)
  • CFG filtering
    • 1,670 non-terminals, 47,185 rewriting rules
  • CFG filtering with vector unification
    • 44 feature values are given to vector unification

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