Read text file fast, how?

[Andrei Alexandrescu via Digitalmars-d]

On 7/25/15 1:53 PM, Johan Holmberg via Digitalmars-d wrote:
> Thanks, my question seems like a carbon copy of the Stack Overflow
> article :) Somehow I had missed it when googling.
>
> I download a dmd 2.068 beta, and re-tried with my input file: now the D
> program takes 1.6s (a 10x improvement).

Great, though it still seems to be behind the C++ version, which is a 
bummer. -- Andrei