D benchmark code review

[qznc]

On Friday, 13 December 2013 at 12:41:53 UTC, logicchains wrote:
> I've posted a couple of benchmarks involving D previously and 
> received complaints that the D implementation was ugly and 
> un-idiomatic, so I thought I'd seek code review before posting 
> the next one. The code is at 
> https://github.com/logicchains/ParticleBench/blob/master/D.d; 
> it's an OpenGL particle animation, and my D code is essentially 
> just a direct port of the C implementation. Note however that, 
> as the animation is gpu-bound, there's not much scope for 
> optimisation of the code (in hindsight, it was a pretty poor 
> topic for a benchmark, but hindsight always sees farthest and 
> whatnot).

Use std.algorithm instead of for-loops for sum calculation:

sum = reduce!"a + b"(0, frames);

I don't think you can do much about it. Most code is just OpenGL 
API boilerplate or game logic.