benchmark on binary trees

[CraigDillabaugh via Digitalmars-d-learn]

On Friday, 4 December 2015 at 14:06:26 UTC, Alex wrote:
> Hi everybody,
> this is going to be a learning by doing a benchmark test - post.
>
clip
>
> 3. The compilation was done by:
> dmd -O -release -boundscheck=off [filename.d]
> Is there anything else to improve performance significantly?
>

If you have access to LDC or GDC they typically produce 
significantly faster code.