Re: gobject n_preallocs

[tom <tom dbservice com>]

Owen Taylor wrote:

> tom <tom dbservice com> writes:
>
>  
>
> > i  made a improved test... (file below)
> >
> > with n_prealloc = 1000:
> > created:  ~200000
> > freed: ~1500
> >
> > and n_prealloc = 0:
> > created: ~150000
> > freed: ~1500
> >
> > if you look at this you see that setting n_prealloc even decreases
> > performance...
> >    
>
> Nothing very unexpected about this. n_preallocs makes GObject
> use GMemChunk, and normal malloc is known to be faster than
> GMemChunk except on systems with highly broken malloc() 
> implementions.
>
> I'd ignore this feature of GObject.
>  
so for what is GMemChunk implemented in glib?
or why do you use GMemChunk in glib?