my first D program (and benchmark against perl)

[perlancar via Digitalmars-d-learn]

On Wednesday, 11 November 2015 at 14:20:51 UTC, Rikki Cattermole 
wrote:
> I turned it into mostly using large allocations, instead of 
> small ones.
> Although I'd recommend using Appender instead of my custom 
> functions for this.
>
> Oh and for me, I got it at 2 secs, 513 ms, 397 μs, and 5 
> hnsecs. Unoptimized, using dmd.
> When release mode is enabled on dmd: 1 sec, 550 ms, 838 μs, and 
> 9 hnsecs. So significant improvement even with dmds awful 
> optimizer.

Hi Rikki,

Thanks. With your version, I've managed to be ~4x faster:

dmd          : 0m1.588s
dmd (release): 0m1.010s
gdc          : 0m2.093s
ldc          : 0m1.594s

Perl version : 0m11.391s

So, I'm satisfied enough with the speed for now. Turns out dmd is 
not always slower.