[fpc-pascal] Which comparisons are faster?

[Krzysztof]

Thank you very much :)


2012/12/13 Mattias Gaertner <nc-gaertnma at netcologne.de>

> On Thu, 13 Dec 2012 22:32:06 +0100
> Krzysztof <dibo20 at wp.pl> wrote:
>
> > Hi,
> >
> > I know that in normal cases those things has no matters, but I do much
> > things in OnPaint so each millisecond is matter. For example, strings
> > comparisons:
> >
> > What is faster if string is "big":
> >
> > if s<>'' then....
> >
> > or:
> >
> > if Length(s)>0 then...
>
> The first.
>
>
> > Same thing with incrementations:
> >
> > i := i + 1
> >
> > or:
> >
> > Inc(i)
> >
> > or:
> >
> > i += 1;
>
> All the same.
>
> Mattias
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