With 1.2: (set! *warn-on-reflection* true) (time (amap an-array idx ret (+ (int 1) (aget an-array idx)))) Reflection warning, NO_SOURCE_PATH:52 - call to aclone can't be resolved. Reflection warning, NO_SOURCE_PATH:52 - call to alength can't be resolved. Reflection warning, NO_SOURCE_PATH:52 - call to aget can't be resolved. Reflection warning, NO_SOURCE_PATH:52 - call to aset can't be resolved. "Elapsed time: 2663.612 msecs"
Type hinting the arrays: (time (amap ^ints an-array idx ret (+ (int 1) (aget ^ints an-array idx)))) "Elapsed time: 11.443 msecs" Whenever you see unusually slow performance reflection is frequently the cause. Not sure about the 1.1/1.2 performance though. Harvey -- "You're keeping me alive because you don't know DOS?" Izzy, Prophecy II -- 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
