MODERATE -- ron_bennatan@guardium.com posted to antlr-interest

Yahoo!Groups Notification antlr-interest-accept-CVV7MATkp3CtMUZr9NzvXDI at yahoogroups.com
Tue Nov 16 14:12:56 PST 2004


Hello,

A message has been sent to the antlr-interest group from

  ron_bennatan at guardium.com 

The message summary:
--------------------
FROM: ron_bennatan at guardium.com 
DATE: Tue, 16 Nov 2004 22:12:47 -0000 
SUBJECT: Perfomance question re bit iterator 

Hi, 

We have fairly complex parsers with some (but not too much) 

loookahead. We generate C++ code and we use 
codeGenBitsetThreshold=4. 

We've been doing some performance testing and when running 
gprof we see that around 40% of the time is in 
MismatchTokenException and specifically in 
--------------------

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From: "ron_bennatan" <ron_bennatan at guardium.com>
Subject: Perfomance question re bit iterator
Date: Tue, 16 Nov 2004 22:12:47 -0000
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