[Qt-interest] Qt 4.5.1 Windows GROWS 4Gb+

[Alexis Ménard]

On Wednesday 20 May 2009 16:14:55 Srdjan Todorovic wrote:
> Hi,
>
> On 20/05/2009, Alexis Ménard <alexis.menard at trolltech.com> wrote:
> > On Wednesday 20 May 2009 15:43:13 Miguel Cardenas wrote:
> >> 1) Do REALLY Qt 4.5.1 for Windows may grow to MANY GIGAS??? In Linux it
> >> grows up to 800Mb WITH ALL SELECTED!
> >
> > When you compile in the directory there are object files :D so it takes
> > hard drive space. We can't do anything about that.
>
> I'm sorry, but that's just absurd. Qt-4.x should not take 4.6 GiB,
> even with debug.

No, what we can do when nmake create a tons of pdb, idb files that take a lot 
of place? In webkit they take 110Mb for instance.

But anyway i am far from 4.6 Gb on my Windows machine. With the doc built, in 
debug i have 3.2 Gb.

>
> I remember reading something on this list about some pathetic
> MSVC-specific "optimisation" that creates *massive* object files so
> the resultant binary can be ever so slightly faster. Perhaps this is
> what is happening here.
>

Maybe.

> (Yes I'm biased; perhaps someone can convince me that this
> optimisation really does bring a > 10% speed increase...)
>
> If this is the case, to move forward, perhaps people that do use MSVC
> could suggest ways to disable this special optimisation.
>
> Any takers?
>
> Srdjan
>
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-- 

Alexis Ménard
Software Engineer, Widgets Team 1
Qt Software, Nokia Norge AS, Sandakerveien 116, 0484 Oslo, Norway