On Thursday, 29 August 2013 at 14:12:39 UTC, Benjamin Thaut wrote:
> Am 29.08.2013 16:10, schrieb Vladimir Panteleev:
>> On Thursday, 29 August 2013 at 10:09:07 UTC, Temtaime wrote:
>>> Hi, Walter.
>>>
>>> Where i can get 64 bit dmd for windows that produces 32 bit executables ?
>>
>> You can compile one yourself, using Visual Studio (the Express editions
>> are free) and the Visual Studio project/solution files included with the
>> source code.
>
> Do you know since when this actually works? I tried this several times but always got tons of compile errors. The latest git revision compiles fine on 64 bit though.
>
> Kind Regards
> Benjamin Thaut

The cycle is: it works, then it gets broken, then Rainers will make a pull request that fixes it again.  Repeat that a couple times between releases.

I have ICC license and compiled DMD by it.

I've tried to compile some my projects with it.
Some stats:

Original DMD: 20 sec.
DMD compiled by ICC: 11 sec.
x64 DMD compiled by ICC: 14 sec.

DMD's memory usage during compilation is about 600 MB.

Here is links:
http://acomirei.ru/u/dmd.exe
http://acomirei.ru/u/dmd_64.exe

It is 2.063.2 DMD, so there is no need to compile druntime. Just replace original dmd.exe with it.

P.S. Please, remove this links if it forbids backend license.

On 29/08/2013 23:35, Temtaime wrote:
> I have ICC license and compiled DMD by it.
>
> I've tried to compile some my projects with it.
> Some stats:
>
> Original DMD: 20 sec.
> DMD compiled by ICC: 11 sec.
> x64 DMD compiled by ICC: 14 sec.
>

It might be that a big chunk of that difference is down to memory handling, as it was for MSVC builds (I think ICC uses the MS C runtimes?). If that is the case, then the difference would be a lot smaller with all the latest bits.

Might be interesting to see if the ICC build is any faster than the MSVC build?

Yes, it uses msvc runtimes, but ICC can optimize much more than VC.

I've tried to combine DMD with tcmalloc which handles memory allocations better than built-in malloc.

My project building duration is 9 sec.
This is more than twice faster than DM's DMD without any compiler logic change!

http://acomirei.ru/u/dmd_1.exe

Okay, i'll try compile DMD with VC 2012 also.

Here is VC build:
http://acomirei.ru/u/dmd_2.exe

It gives performance about ICC: 9-10 sec.
It seems that there is no places in DMD code that ICC can autovectorize.