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Re: time in invoking the Lex Yacc parser


From: John W. Millaway
Subject: Re: time in invoking the Lex Yacc parser
Date: Tue, 14 Aug 2001 05:18:55 -0700 (PDT)

> parser itself and continue.The issue here is whether invoking the parser a
> 100 times is more costlier(timewise) than invoking it once and completing
> the flow a hundred times inside the parser.And if there is big difference in
> time what are the orders of magnitude?

The answer is architecture-dependent. If you're worried about saving cycles at
that level, you should be using a profiler.

$ gcc -pg  -O3 parser.c -o parser
$ ./parser
$ gprof


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