D vs C++ - Where are the benchmarks?

[Gabi]

On Monday, 1 July 2013 at 06:11:20 UTC, dennis luehring wrote:
> Am 01.07.2013 03:07, schrieb Kapps:
>> If you're concerned about performance, I'd recommend against
>> using DMD for your release builds. GDC and LDC will give much
>> better performance, and GDC works perfectly fine on Windows. 
>> LDC
>> has some problems with exception handling AFAIK on Windows.
>
> GDC got the same Exception problems like LDC - no support for 
> SEH
> but Exceptions are working - only the 
> Windows-internal-Exception -> D-Exception transition is not 
> working properbly
>
> but even using Visual Studio you need to add special flags or 
> using __try, __catch to get these - so normaly not a problem

Could you please elaborate on this? What should I beware/avoid of 
when using GDC under Windows ?