I have actually been running speed tests for a while against the following:
- PEG.js: seems to be the most popular current JS PEG - Jison: most popular JS parser (used by CoffeeScript), but not PEG - Narcisses: a hand rolled JS parser in JS I have been so far comparing the parse times of jquery.js (since this is a pretty big file and seems to use many language features). My results on my Macbook are: language.js: 7173 ms peg.js: 94644 ms Narcissus: 865 ms jison: 6372 ms The speed test is available here: https://github.com/tolmasky/ParserSpeed and can be run with node: $ git clone git://github.com/tolmasky/ParserSpeed.git ParserSpeed $ cd ParserSpeed $ node run.js I also just pushed the optimizations I was referring to in my previous email to the optimizations branch if you want to play around with those: https://github.com/tolmasky/language/tree/optimizations On Jul 31, 2011, at 3:58 PM, Alek Paunov wrote: > Hi List, > > Speaking about the speed, why not just arrange some field comparison tests? > > Francesco, I see that you have developed an JS grammar: > > https://github.com/tolmasky/language/blob/master/languages/JavaScript.language > > It is working, right? > > Let's take Francesco's JS grammar (or other common one) and prepare tests in > different PEG parsers for several real (long enough) JS libraries. I propose > my favorite: > > http://static.c9.io/static/js/apf_debug.js (Cloud 9 IDE Core Lib) > > as one of test files. > > What the racing teams think? :-) > Alek _______________________________________________ PEG mailing list PEG@lists.csail.mit.edu https://lists.csail.mit.edu/mailman/listinfo/peg
