Good project: stride() with constant stride value

[Andrei Alexandrescu via Digitalmars-d]

kinke <noone at nowhere.com> wrote:
> On Friday, 4 March 2016 at 17:49:09 UTC, John Colvin wrote:
>> Surely after inlining (I mean real inlining, not dmd) it makes 
>> no difference, a constant is a constant?
>> 
>> I remember doing tests of things like that and finding that not 
>> only did it not make a difference to performance, ldc produced 
>> near-identical asm either way.
> 
> Then let's not complicate Phobos please. I'm really no friend of 
> special semantics for `step == 0` and stuff like that. Let's keep 
> code as readable and simple as possible, especially in the 
> standard libraries, and let the compilers do their job at 
> optimizing low-level stuff for release builds.
> More templates surely impact compilation speed, and that's where 
> DMD shines.
> 

This is just speculation. When the stride is passed to larger functions the
value of the stride is long lost.

I understand the desire for nice and simple code but sadly the stdlib is
not a good place for it - everything must be tightly optimized. The value
of the project stands. -- Andrei