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From: markz@ssc.UUCP (Mark Zenier)
Newsgroups: comp.compilers
Subject: Flex speed, (was Re: Recursive Descent Parsers and YACC)
Keywords: parse, yacc, design, question
Message-ID: <539@ssc.UUCP>
Date: 17 Nov 90 19:04:51 GMT
References: <F7p?bk63@cs.psu.edu>
Sender: compilers-sender@iecc.cambridge.ma.us
Reply-To: markz@ssc.UUCP (Mark Zenier)
Organization: SSC, Inc., Seattle, WA
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> [Lex is slow, but flex uses newer techniques so that it
> is usually as fast as a hand-coded lexer.  ... -John]

What kind of speedup can be gained by using flex instead of lex?

How much does the include file / new buffer stuff in flex 2.3 cost
(in terms of speed)?

Mark Zenier
markz@ssc.uucp
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