Strange measurements when reproducing issue 5650

[SomeDude]

On Wednesday, 25 April 2012 at 15:35:44 UTC, Steven Schveighoffer 
wrote:
> On Wed, 25 Apr 2012 07:27:29 -0400, SomeDude 
> <lovelydear at mailmetrash.com> wrote:
>
>> On Wednesday, 25 April 2012 at 08:34:40 UTC, SomeDude wrote:
>>
>> Noone reproduces this ?
>
> On my linux box, it runs in about 580ms, with or without the 
> writeln.
>
> This is what I would expect.
>
> But things can be strange when dealing with GC timings.  Have 
> you tried profiling the code to see where the time is being 
> added?
>
> -Steve

Did you compile with  dmd -O -inline -release ?

I'll do some profiling later.