RE: 90/10 rule... source?

Quinn Tyler Jackson <>
9 Jan 2004 23:51:54 -0500

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From: Quinn Tyler Jackson <>
Newsgroups: comp.compilers
Date: 9 Jan 2004 23:51:54 -0500
Organization: Compilers Central
Keywords: practice, parse
Posted-Date: 09 Jan 2004 23:51:54 EST
In-reply-to: 04-01-038

> [That's probably the one you want. It was the first to use the term
> program profiling, and it was big news at the time how much of a
> speedup you could get by rewriting tiny bits of a program if it was
> the right tiny bits. It's reprinted in Knuth's new "Selected Papers
> on Computer Languages", ISBN 1575863820. -John]

I've wondered if there are any other* parser generators out there that can
profile at the production level.
Quinn Tyler Jackson

* I say "other" because Meta-S does this.

[I think I've seen a profiling version of yacc, but it was a long time
ago. Unless a compiler does a great deal of analysis and
optimization, the lexer is usually the part of the program that eats
up the most time. I don't ever recall a parser that took much of the
overall runtime. -John]

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