Nicolas Oury 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?
>
I don't think it's explicitly mentioned in the docs, but you need to
hint the array using some rather gruesome syntax. See
http://clj-me.blogspot.com/2009/08/what-warn-on-reflection-didnt-tell-you.html

Most likely #^objects will be available in the next version of
Clojure. :)

--
Jarkko
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