[UI] Well, shall we do something then?

[Igor Stasenko]

On 20/09/2007, Chris Muller <asqueaker at gmail.com> wrote:
> I've observed Martin Loewis' new WeakKeyDictionary implementations
> reduce the problem dramatically.
>
>     http://bugs.squeak.org/view.php?id=6348
>
> I know sig has done similar work but I haven't had time yet to try it.
>
Btw, regarding weak finalization process, i posted a fix which should
improve speed even more: http://bugs.squeak.org/view.php?id=6652
But it seems my post was ignored, no any comments, nor discussion..

>
> On 9/19/07, David T. Lewis <lewis at mail.msen.com> wrote:
> > On Wed, Sep 19, 2007 at 12:38:44AM +0300, Igor Stasenko wrote:
> > > On 18/09/2007, Gary Chambers <gazzaguru2 at btinternet.com> wrote:
> > > > Well, there is the Model but there has to be a linkage for when the model
> > > > changes. That's the basics. We need to decide on the way(s) we wish that to
> > > > happen. I find changed/update rather inefficient. Much prefer when:send:to:.
> > > >
> > > > But that's just the start. Pretty fundamental though.
> > > >
> > > Yes! And i think this is the point where we should start from.
> > > How to create flexible event system , how exchange data between view
> > > and model. Based on that we then can build up a model which will use
> > > it (MVP/Morphic whatever)
> >
> > A note of caution: The #when:send:to: mechanism can have serious performance
> > issues due to its use of weak dictionaries. Performance of the entire image
> > is seriously impacted by weak array finalization as the number of these
> > dictionaries increases. There is no easy fix for this, so make sure you
> > know what you are getting into before you start with an approach based
> > on this mechanism.
> >
> > Dave
> >
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> >
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-- 
Best regards,
Igor Stasenko AKA sig.