Slow performance compared to C++, ideas?

[deadalnix]

On Thursday, 6 June 2013 at 15:06:38 UTC, Kapps wrote:
> On Thursday, 6 June 2013 at 01:08:36 UTC, deadalnix wrote:
>> This is why I wrote that this may have been true in the past. 
>> Nevertheless, it is completely false today.
>
> C# often does not inline virtual methods, and even if it can 
> inline them there's still an overhead. This (2008) article goes 
> into depth about how it handles it: 
> www.codeproject.com/Articles/25801/JIT-Optimizations - 
> Essentially uses frequency analysis to determine if the virtual 
> method call is still going to call the same method as it would 
> previously. Regardless, we can not perform such optimizations, 
> so whether or not it applies to C#, it does apply to D.
>

Quite frankly, I don't care what C# does. Java does it at link 
time, and we can do it at link time the same way, that is all 
that matter for this discussion.

Unless C# don't do it because it is impossible, this is only a C# 
implementation detail.