D compiler benchmarks

[Frank Benoit]

Robert Clipsham schrieb:
> Georg Wrede wrote:
>> Robert Clipsham wrote:
>>> Hi all,
>>>
>>> I have set up some benchmarks for dmd, ldc and gdc at
>>> http://dbench.octarineparrot.com/.
>>>
>>> There are currently only 6 tests all from
>>> http://shootout.alioth.debian.org/gp4/d.php. My knowledge of phobos
>>> is not great enough to port the others to tango (I've chosen tango as
>>> ldc does not support phobos currently, so it make sense to choose
>>> tango as all compilers support it). If you would like to contribute
>>> new tests or improve on the current ones let me know and I'll include
>>> them next time I run them.
>>>
>>> All source code can be found at
>>> http://hg.octarineparrot.com/dbench/file/tip.
>>>
>>> Let me know if you have any ideas for how I can improve the
>>> benchmarks, I currently plan to add compile times, size of the final
>>> executable and memory usage (if anyone knows an easy way to get the
>>> memory usage of a process in D, let me know :D).
>>
>> The first run should not be included in the average.
>>
> 
> Could you explain your reasoning for this? I can't see why it shouldn't
> be included personally.

fill up of disk and memory caches. That is why the first run has a
different timing to the other runs.