D benchmarks

[Russel Winder]

On Mon, 2013-03-11 at 00:36 +0100, David Nadlinger wrote:
> Hi all,
> 
> I am currently finalizing my material for the LDC DConf talk, and 
> I thought it would be nice to include a quick runtime performance 
> comparison between the different compilers, just to give the 
> audience a general sense of what to expect.
> 
> Thus, I am looking for benchmarks to use in the talk. 
> Specifically, they should:
> 
>   - be open source, or at least source-available, so other people 
> can reproduce the results
>   - be *reasonably* self-contained, so that I don't have to spend 
> three hours setting up build dependencies
>   - be written mostly in D, I don't want to benchmark GCC
>   - work with DMD 2.061 or DMD 2.062
>   - run on Linux or OS X

I have a variety of D implementations of "Calculating π by
quadrature" (including the one David Simcha contributed for testing
std.parallelism). This is a trivial, data parallel, embarrassingly
parallel problem that I use for comparing scaling in various languages
in comparison to C. There is no experiment set up, just single run. It
uses SCons for the D build which will require the fork of SCons I have
that includes (almost reasonable) support for D build. On the other hand
all the files are fundamentally self-contained except for reliance on
one module in the same directory so rdmd should work just fine. The code
is released under GPLv3 and is available on GitHub:

        git at github.com:russel/Pi_Quadrature.git

and my own website, for cloning:

        http://www.russel.org.uk/Git/Pi_Quadrature.git

or for browsing:

        http://www.russel.org.uk/gitweb/?p=Pi_Quadrature.git;a=summary

If there are any errors or infelicities of D coding I would be very
pleased to hear of them, especially if the come with a pull request!

-- 
Russel.
=============================================================================
Dr Russel Winder      t: +44 20 7585 2200   voip: sip:russel.winder at ekiga.net
41 Buckmaster Road    m: +44 7770 465 077   xmpp: russel at winder.org.uk
London SW11 1EN, UK   w: www.russel.org.uk  skype: russel_winder
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