The Clojure code posted there is pretty awful and shows a gross, gross misunderstanding of Clojure data types. I submitted one improved version already, but didn't spend the time to make it really, really fast.
For this particular kind of pointless benchmark it's not hard to get identical Java perf. If you want to see how I suggest you look at the Alioth benchmarks where the Clojure code shows a much better understanding of the language and the fast paths and where the microbenchmarks are quite so micro. David On Thu, Aug 18, 2011 at 3:40 AM, Roberto Mannai <roberm...@gmail.com> wrote: > Hello, > I recently stumbled upon this page: > http://java.dzone.com/articles/contrasting-performance > They are comparing several languages (Java, Scala, Python, Erlang, > Clojure, Ruby, Groovy, Javascript), and Clojure rated very badly: > > Object Oriented List Reduction > Element Recursion > Java 1.6 0.637 1.435 > 2.816 > Clojure 1.2.1 - 25.966 > 28.753 > > Maybe the clojure's scripts were not very idiomatic? If some guru > wants to check them, here's the source code: > - > https://github.com/dnene/josephus/blob/master/element-recursion/josephus.clj > - > https://github.com/dnene/josephus/blob/master/list-reduction/josephus.clj > > All the best, > Roberto > > -- > 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
