On Monday, March 18, 2013 7:16:17 PM UTC+1, puzzler wrote: > > It used to be that a common way to refactor this for best performance > would be: > > (let [pi (compute-estimate-of-pi)] > (defn f [x] > ; Do stuff with pi here > )) > This is just about the same as
(def ^:const pi (compute-estimate-of-pi)) (defn f [x] ...) Otherwise, for a regular static var you pay AtomicBoolean.get + volatile read of the actual value. For a dynamic var you pay much more (ThreadLocal.get() + hashmap lookup). -marko -- -- 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 --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
