You need to specify the array type. For example the following produces a primitive array of n javax.vecmath.Vector2d elements.
(defn #^"[Ljavax.vecmath.Vector2d;" point-array [n] (make-array javax.vecmath.Vector2d n)) It works. If you want to see it in action take a look at: http://github.com/swannodette/convex-hull/tree/master On Sat, Aug 15, 2009 at 11:41 AM, Nicolas Oury <nicolas.o...@gmail.com>wrote: > > Dear all, > > I try to write a program where I access a java array of non primitive > and realize aget is very slow. > (6x slower than the same program with clojure vectors instead of java > arrays access) > > I tried a few combinations of type hints but can't manage to prevent mty > program to spend most of its time there: > > 99.4% 0 + 8804 java.lang.reflect.Array.get > > Does anyone know how to speed that up? > Is it written somewhere in the java interop documentation? > > Best, > > Nicolas. > > > > > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
