dmd-built dmd is faster that ldc-built dmd or gdc-built dmd?

[Vladimir Panteleev via Digitalmars-d]

On Friday, 11 March 2016 at 14:32:26 UTC, Iain Buclaw wrote:
> On Friday, 11 March 2016 at 13:39:04 UTC, Vladimir Panteleev 
> wrote:
>> Hi,
>>
>> In the process of setting up a new development environment, I 
>> noticed that DMD's codegen seems to outperform GDC's or LDC's 
>> when building DMD itself.
>>
>> I wrote a test script to measure the time it takes for DMD 
>> (built with different compilers) to build Phobos:
>>
>> http://dump.thecybershadow.net/9e42ff2858d1419cf41108cc50b0a83a/bench.sh
>>
>> My results are:
>>
>> dmd: 11.26
>> ldc: 15.35
>> gdc: 14.80
>>
>
>
> https://github.com/D-Programming-Language/dmd/blob/master/src/root/rmem.d#L166-L193
>
> How memory is allocated makes a huge difference.

Thanks :) After changing that to version(all), LDC is faster now. 
Doesn't build with GDC though (multiple definitions)...