Re: Clojure benchmark memory use and future improvements (Re: Clojure vs F# performance)

on the command line, and accessing the one being used from inside of a program would be one good way to find out for sure. There doesn't seem to be anything returned by Runtime.getRuntime().getProperties() to indicate that. Andy On Mon, Nov 22, 2010 at 9:51 AM, Ken Wesson wrote: > On Mon

Clojure benchmark memory use and future improvements (Re: Clojure vs F# performance)

On Mon, Nov 22, 2010 at 5:00 AM, Ralph wrote: > On the Programming Languages Comparison Site (http:// > shootout.alioth.debian.org/u64/benchmark.php? > test=all&lang=clojure&lang2=fsharp), if you run the Clojure vs. F# > comparison, Clojure scores about the same in speed as F# (but does use > mor

Re: Shootout "fannkuch"

Most likely. That one I found somewhat annoying in that the checksum computation does depend upon the permutations being generated in a particular order. It also seems to depend upon the sign flipping being done for every permutation, even those beginning with a '1', for which the pfannkuch funct

Re: Clojure 1.2 and the Computer Language Benchmarks Game

id they need to write all of that code to solve the problem? No. Did they choose to, in order to get a much faster program that would be more competitive in run time versus other languages. Definitely. Andy On Thu, Sep 2, 2010 at 5:28 PM, Sean Corfield wrote: > On Wed, Sep 1, 2010 at 9:46

Re: How to use Java array of primitive types as key of Clojure map?

Thanks! That worked for me. Understood on the precautions about these things not being immutable, and thus potentially unsafe as hash keys (and anything else that expects immutability, whether that is obvious or not). This raises the question in my mind -- will there be something in Clojure, per

Re: Clojure 1.2 and the Computer Language Benchmarks Game

some of the "my language is best for every purpose" attitude I once had as a teenager. Now I just see it as one of several ways to evaluate a programming language, and often not the most important one. Thanks, Andy On Thu, Aug 26, 2010 at 11:59 AM, Isaac Gouy wrote: > > > O

How to use Java array of primitive types as key of Clojure map?

If you don't do anything special, and create several Java array of bytes (for example) and use them as keys in a Clojure map, the default hashCode and equals implementation will cause two arrays with identical contents to be treated as different keys in the map, unless they are also == in Java. I'

Re: Help speed up an inner loop?

Consider trying to use "==" in place of where you have "=", which can be faster when comparing numbers for equality. Source for this and a few other performance tips: http://gnuvince.wordpress.com/2009/05/11/clojure-performance-tips/ Andy On Mon, Aug 30, 2010 at 11:46 PM, Robert McIntyre wrote

Re: Clojure 1.2 and the Computer Language Benchmarks Game

I have now submitted small modifications that permit AOT compilation. The compile time was small -- on the order of 1 to 2 sec of the total CPU time, which is often a small percentage of the long runs that are reported on the shootout web site. But of course it is better if it is not included in

Re: Clojure 1.2 and the Computer Language Benchmarks Game

I will try submitting one or a few of my benchmark programs created 1 year ago. For anyone that wants to look at some timing results and/or my source code used to achieve them before then, they are available on github here: http://github.com/jafingerhut/clojure-benchmarks I just pushed a few cha