[developers] generator efficiency: index accessibility filtering

Stephan Oepen oe at csli.Stanford.EDU
Tue Sep 27 12:12:57 CEST 2005

dear all,

in march this year, i checked in a change to the LKB generator so as to
enable index accessibility filtering in non-packing mode too.  my change
accomplished that, but (to my embarassment) also disabled the filtering
in packing mode.  the result was a sometimes sharp degrade in generator
efficiency, specifically on longer sentences with multiple modifiers.

dan discovered the deficiency over the weekend and provided a patch.  i
have just committed his patch to the LKB, hence would recommend a `cvs
update' to those using the generator.

       my apologies for the introduction of an embarassing bug!  -  oe

+++ Universitetet i Oslo (ILN); Boks 1102 Blindern; 0317 Oslo; (+47) 2285 7989
+++     CSLI Stanford; Ventura Hall; Stanford, CA 94305; (+1 650) 723 0515
+++       --- oe at csli.stanford.edu; oe at hf.uio.no; stephan at oepen.net ---

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