Inherent code performance advantages of D over C?

[John Colvin]

On Sunday, 8 December 2013 at 13:02:56 UTC, ponce wrote:
> On Sunday, 8 December 2013 at 13:00:26 UTC, Joseph Rushton 
> Wakeling wrote:
>> How is icc doing these days?  I used it years ago (almost 10 
>> years ago!) when it produced significantly faster executables 
>> than gcc, but I had the impression that more recent gcc 
>> releases either matched its performance or significantly 
>> narrowed the gap.
>
> I don't know. People say the gap has reduced a lot and you have 
> to use the #pragmas to get ahead.

My experience is that if you write loads of loops that *are* 
vectorisable, but not trivially so, and then run on modern intel 
hardware, intel will beat gcc. Otherwise, probably not. It's 
become a rather narrow target.