Rich has fixed this on master: http://github.com/clojure/clojure/commit/e354b01133e7cff8dc0d0eb9e90cde894c12e127
Thanks for the report! Stu > I have some code that counts the elements in a list that map to true > in a lookup table, looking something like this: > > (def lookup-table {1 true, 2 false}) > (def elements (range 1000000)) > (count (filter lookup-table elements)) > > On my machine, with server mode enabled, the count + filter got ~10 > times slower when I updated from 1.3 Alpha 1 to 1.3 Alpha 2: > > (Alpha 1) > user=> (time (count (filter lookup-table elements))) > "Elapsed time: 181.262702 msecs" > 1 > > (Alpha 2) > user=> (time (count (filter lookup-table elements))) > "Elapsed time: 2017.744155 msecs" > 1 > > Which is weird because looking up elements in the table did not become > any slower: > > (Alpha 1) > user=> (time (doseq [x elements] (lookup-table x))) > "Elapsed time: 159.033341 msecs" > nil > > (Alpha 2) > user=> (time (doseq [x elements] (lookup-table x))) > "Elapsed time: 159.965861 msecs" > nil > > -- > 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 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