Most performant way of converting int to string

[Daniel Kozák via Digitalmars-d-learn]

V Tue, 22 Dec 2015 18:11:24 +0000
rumbu via Digitalmars-d-learn <digitalmars-d-learn at puremagic.com>
napsáno:

> On Tuesday, 22 December 2015 at 17:15:27 UTC, Andrew Chapman 
> wrote:
> > Sorry if this is a silly question but is the to! method from 
> > the conv library the most efficient way of converting an 
> > integer value to a string?
> >
> > e.g.
> > string s = to!string(100);
> >
> > I'm seeing a pretty dramatic slow down in my code when I use a 
> > conversion like this (when looped over 10 million iterations 
> > for benchmarking).
> >
> > Cheers!  
> 
> Converting numbers to string involves the most expensive known 
> two operations : division and modulus by 10.

No, IIRC few months or maybe years I have optimize this so it does not
use division and modulus