[sugar] python performance

[Jim Gettys]

On Tue, 2007-03-06 at 14:02 +0100, Marco Pesenti Gritti wrote:
> On Tue, 2007-03-06 at 12:53 +0000, Chris Ball wrote:
> > Hi Marco,
> > 
> >    > We don't, but it would be useful to have one. I think the biggest
> >    > priority are in order:
> > 
> >    > * Browser perfomance especially page scrolling (not related to
> >    > python at all but...)  
> >    > * Activities startup time.
> > 
> > Just as a minor point, I'd swap these two in priority.  Our activity
> > load time is much more frustrating to me as a user than the web browser
> > render time, possibly because the web browser does incremental reflows.
> > (Which may in fact be the source of the performance problem..)
> > 
> 
> I'm not talking much about reflowing here but about page scrolling,
> which is horribly slow on complex web sites, even when the page is fully
> loaded. Both this and startup are pretty critical issues anyway :/

Yes, I believe the reflow algorithms are very much too "eager" for our
hardware.

I gather there may be some knobs in the code base we can twist.
                               - Jim

-- 
Jim Gettys
One Laptop Per Child