What's up with GDC?

[Joerg Joergonson via Digitalmars-d-learn]

On Sunday, 12 June 2016 at 12:38:25 UTC, Adam D. Ruppe wrote:
> On Sunday, 12 June 2016 at 04:19:33 UTC, Joerg Joergonson wrote:
>> 2. I got an error that I don't get with dmd:
>>
>> Error: incompatible types for ((ScreenPainter) !is (null)): 
>> cannot use '!is' with types		
>>
>> and I have defined ScreenPainter in my code. It is also in 
>> arsd's simpledisplay. I do not import simpledisplay directly:
>
> It's probably the difference of the recent import rules bug 
> fix. gamehelpers public imports simpledisplay, so its 
> ScreenPainter will be visible there too.
>
> You can probably just exclude it from the import by doing 
> selective:
>
> import arsd.gamehelpers : create2dWindow;
>
> and comma list anything else you use from there (probably just 
> OpenGlTexture, it is a small module).
>
>
> But yeah, weird that it is different, but this was REALLY 
> recently changed so if the release differs by just one month in 
> version it could account for the difference.
>
>> Although, If I set the subsystem to windows I then get the 
>> error
>
> There's another MSFT library needed there passing 
> `-L/entry:mainCRTStartup` to the build should do it.
>
> dmd 32 bit has its own library so it isn't needed there, but 
> dmd 64 bit and ldc both I believe need the entry point.


Thanks. It worked! BTW, when I compile a simple project with your 
simpledisplay it takes up around 300MB(for ldc, 400 for dmd) and 
uses about 15% cpu. Basically just a modified example that draws 
some images which maybe take up 20MB total. Any ideas why it's 
taking up so much space and cpu? What's it doing on your machine?