I fixed my bottleneck-finding problem by applying the right jvisualvm parameters.
You say: >It's discouraged to use the mutable reference types in a fine-grained way >like this. I would recommend changing your code to just be a vector of >Clojure PersistentMaps that you map over. What do you mean by this? defstruct creates a struct-map which - as far as I know - is a persistentmap. And I do not use a vector because the amount of bodies that I map over varies - for example when the player destroys a monster ;) On Apr 23, 5:09 pm, David Nolen <dnolen.li...@gmail.com> wrote: > In your code you have: > > (defstruct body > :id > :type ; :projectile or :unit -> projectiles do not collide with other > bodies; > :current-position ; ref > :current-cells ; ref > :current-rotation ;atom > :pixel-half-width :pixel-half-height > :half-width :half-height > :components) ; a map of (:comp-type comp) > > It's discouraged to use the mutable reference types in a fine-grained way > like this. I would recommend changing your code to just be a vector of > Clojure PersistentMaps that you map over. It seems that your program is not > so dissimilar from something that I worked on, you might want to look at > this code for some ideas how to improve the speed of your > code:http://github.com/swannodette/flocking/blob/master/src/flocking/flock... > > When I first implemented this in early 2008 it was taking about 100-120ms to > update 150 "boids". This version can do it in about 6-8ms. > > I also note that you're not type-hinting your math, but I'm unsure how much > that plays into the perf you're seeing. > > David > > On Fri, Apr 23, 2010 at 4:55 AM, msappler <damnedmar...@web.de> wrote: > >http://pastebin.com/Vv7xr6Uj > > -- > 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 > athttp://groups.google.com/group/clojure?hl=en -- 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
