Hi, I did not mention that earlier but the benchmark sais no change in heapsize.
See here: http://shootout.alioth.debian.org/u32/performance.php?test=binarytrees Does Clojure just have a much smaller heapsize in the standart case? On Mar 15, 5:19 am, Andy Fingerhut <andy.finger...@gmail.com> wrote: > On a MacBook Pro with 2.4 GHz Intel Core 2 Duo and 3 GB of RAM (although the > program only used about half a gig at most), that program finished in about > 33 seconds, using 38.5 sec of user + system CPU time. The average CPU > utilization was 126% (all of one CPU core, and 26% of another, on average). > The CPU utilization never went below 90% of one CPU core. > > From the memory use graph you link to, the memory use never goes over about > 128 MB. I would bet that is the default maximum heap size in your JVM, or > perhaps one specified explicitly. That is likely not enough, and your > program is causing the JVM to invoke garbage collection repeatedly. > > I'd recommend using a -Xmx512m argument on the command line, or maybe a bit > more, and see if things speed up. > > Andy > > On Mar 14, 2011, at 6:25 PM, Nick Zbinden wrote: > > > Hi, > > > I'm working with binarytree benchmark from the Language Shotout. > >http://shootout.alioth.debian.org/u64/program.php?test=binarytrees&la... > > > Its basiclly a port from the java version. > >http://shootout.alioth.debian.org/u64/program.php?test=binarytrees&la... > > > The Problem with the Clojure version you can see here: > >https://github.com/nickik/IDPA-Programmiersprachen-Benchmarken/blob/m... > >https://github.com/nickik/IDPA-Programmiersprachen-Benchmarken/blob/m... > > > Clojure does not use the CPU to the full extened witch suggest that > > there something blocking it. I tried to figure out what it was with > > profiling but I never did that befor and I had no success. > > > Node that the Clojure uses less memory too. > >https://github.com/nickik/IDPA-Programmiersprachen-Benchmarken/blob/m... > > > Has anybody an Idea why this happens? > > > I ported the programm to 1.3 but that didn't help: > > > 1.2 version: > > https://github.com/nickik/IDPA-Programmiersprachen-Benchmarken/blob/m... > > > 1.3 > > version:https://github.com/nickik/IDPA-Programmiersprachen-Benchmarken/blob/m... > > (all the benchmarks where made with the 1.2er programm) > > > thx for the help > > > -- > > 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
