[fpc-devel] Unicode RTL

[Christian Iversen]

On Wednesday 16 November 2005 13:57, Florian Klaempfl wrote:
> Daniël Mantione wrote:
> > Op Wed, 16 Nov 2005, schreef Vincent Snijders:
> >>Daniël Mantione wrote:
> >>>What should be done on Linux/FreeBSD/MacOS is still unknown to me, it is
> >>>a wild west, but likely something similar, internally a widestring rtl
> >>> is used that converts to the right encoding when communicating
> >>> externally.
> >>
> >>Does that mean string operations will be twice a slow?
> >
> > I don't think so. A string copy operation for a wide string needs to move
> > twice as much data as a string copy operation for an ansistring. However,
> > when walking through it, (take the widestring version of pos for example)
> > the amount of work per character does not change.
>
> Modern CPUs are memory bandwidth limited usually so widestrings a lot
> slower.

But still, only if the string operations are a bottleneck. That might not be 
the case. 

-- 
Regards,
Christian Iversen