Me to: http://clojure-log.n01se.net/date/2010-11-07.html#11:57
On Nov 10, 5:59 pm, Leif Walsh <leif.wa...@gmail.com> wrote: > I am reminded of an arcane > implementation...http://lists.freebsd.org/pipermail/freebsd-current/2010-August/019310... > > On Wed, Nov 10, 2010 at 8:06 AM, pepijn (aka fliebel) > > > > > > > > > > <pepijnde...@gmail.com> wrote: > > I almost forgot about this. I talked to mfex on IRC, and he came up > > with the winning solution. > >http://clojure-log.n01se.net/date/2010-11-07.html#11:32 > > >https://gist.github.com/666228 > > > Basically it comes down to *not* doing work, rather than doing it > > fast. > > > What the Python version does - and this version as well - is check if > > the block type is actually displayed before counting it. > > > Thanks for all the input! > > > On Nov 7, 6:30 pm, Justin Kramer <jkkra...@gmail.com> wrote: > >> Implementing this in straight Java might help pinpoint whether this is > >> a JVM issue or a Clojure issue. > > >> Also, FYI, there is clj-glob (https://github.com/jkk/clj-glob) for > >> finding files based on patterns like */*/*.dat > > >> Justin > > >> On Nov 4, 4:28 pm, Pepijn de Vos <pepijnde...@gmail.com> wrote: > > >> > Hi all, > > >> > I have written a Python script to analyze Minecraft levels and render a > >> > graph. Then I did the same with Clojure. It takes Python 10 seconds to > >> > analyze a map, while it takes Clojure over a minute. > > >> > After having tried different options without any significant > >> > improvement, I am lost as to why there is such a huge difference. I > >> > wouldn't mind an extra pair of eyes/brains to look at this. > > >> > I blogged about it in more detail > >> > here:http://pepijndevos.nl/clojure-versus-python > >> > Clojure version:https://github.com/pepijndevos/Clomian/ > >> > Python version:https://github.com/l0b0/mian > > >> > Clojure spends most of its time in the freqs function, here are a couple > >> > of variations:https://gist.github.com/663096 > > >> > If you want to run the code yourself, you'll need a Minecraft level and > >> > JNBT, which is not on Maven. > >> > JNBT:http://jnbt.sourceforge.net/ > >> > The level used in the > >> > blogpost:http://dl.dropbox.com/u/10094764/World2.zip > > >> > Groeten, > >> > Pepijn de Vos > >> > -- > >> > Sent from my iPod Shufflehttp://pepijndevos.nl > > > -- > > You received this message because you are subscribed to the Google > > Groups "Clojure" group. > > To post to this group, send email to clojure@googlegroups.com > > Note that posts from new members are moderated - please be patient with > > your first post. > > To unsubscribe from this group, send email to > > clojure+unsubscr...@googlegroups.com > > For more options, visit this group at > >http://groups.google.com/group/clojure?hl=en > > -- > Cheers, > Leif -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
