On Oct 13, 2013 10:05 AM, "Linda W" <[email protected]> wrote: > > On 10/11/2013 7:26 AM, David Fishburn wrote: >> >> >> NFA engine takes almost three times (300 vs 107 seconds) as long to complete my plugin task. > > ---- > Python never makes the top-REGEX engine lists -- can someone remind me why it was > chosen? Was it purely a case of popularity winning over engineering design and benchmarks?
I do not get where you have seen a word about Python? AFAIK Bram did not choose any of the existing engines and have written a new one. > From multiple articles the ones with most features and, fastest speed have been > PCRE engines (perl compatible RegEx... THOUGH the default engine built into perl isn't among > the fastest). > Comparison websites put the PCRE-w/internal JIT (Just-In-Time state compiler). > as the fastest by far: http://sljit.sourceforge.net/regex_perf.html > > Here is a comparison w/boost, showing boost in front -- but only against PCRE w/o JIT > the PCRE w/JIT was 2-5x faster than the one without. So.. if Boost was only 3-5% faster > than the no-JIT PCRE, its' in the dust w/the jit-version. > > As far as feature, dunno how up to date this is, but as of when it was > written python didn't even have unicode properties (among other > deficits)... http://en.wikipedia.org/wiki/Comparison_of_regular_expression_engines > > Popularity, has never been a reliable bellwether for 'best'. > > > > > -- > -- > You received this message from the "vim_dev" maillist. > Do not top-post! Type your reply below the text you are replying to. > For more information, visit http://www.vim.org/maillist.php > > --- You received this message because you are subscribed to the Google Groups "vim_dev" group. > To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. -- -- You received this message from the "vim_dev" maillist. Do not top-post! Type your reply below the text you are replying to. For more information, visit http://www.vim.org/maillist.php --- You received this message because you are subscribed to the Google Groups "vim_dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
