From: http://kerravonsen.dreamwidth.org/ Date: Mon, 15 Nov 2010 02:01:21 +0000 (+0000) Subject: theory about differences in speed of memoize and non-memoize patches X-Git-Tag: 3.20101129~71 X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/commitdiff_plain/608cef54d63ba60efd24ae14012dda7ff8d014a9 theory about differences in speed of memoize and non-memoize patches --- diff --git a/doc/todo/Improving_the_efficiency_of_match__95__glob.mdwn b/doc/todo/Improving_the_efficiency_of_match__95__glob.mdwn index c4d3a8ecb..43571ead7 100644 --- a/doc/todo/Improving_the_efficiency_of_match__95__glob.mdwn +++ b/doc/todo/Improving_the_efficiency_of_match__95__glob.mdwn @@ -20,6 +20,8 @@ Here's my patch - please consider it! -- [[KathrynAndersen]] >>>> is less verbose than Kathryn's patch but also not as >>>> fast; I'm not sure why, tbh. --[[smcv]] +>>>>> I think it's because my patch focuses on match_glob while the memoize patch focuses on `glob2re`, and `glob2re` is called in `filecheck`, `meta` and `po` as well as in `match_glob` and `match_user`; thus the memoized `glob2re` is dealing with a bigger set of globs to look up, and thus could be just that little bit slower. -- [[KathrynAndersen]] + -------------------------------------------------------------- Benchmarks done with Devel::Profile on the same testbed IkiWiki setup. I'm just showing the start of the profile output, since that's what's relevant.