It may be faster to reorganize the dataProvider yourself than to use the built-in grouping mechanism.
--- In [email protected], Adrian Williams <[EMAIL PROTECTED]> wrote: > > Yeah...but again, it's not much of a choice...the rows are grouped in > "like" matches. For example, if 5 people have similar results, then the > user groups them together in a common group and will want to be able to > see these groups as a subset of the whole dataset. > > Adrian > > whatabrain wrote: > > > > One of your problems might be that you're using a grouping grid. I > > tested an ADG with 5,000 rows, and the grouping version took a huge > > amount of time to render, while the non-grouping version took just > > four seconds. > > > > --- In [email protected] > > <mailto:flexcoders%40yahoogroups.com>, Adrian Williams <adrianw@> > > wrote: > > > > > > All, > > > > > > I am seeing some incredible lag while using a couple of simple > > > panels and a complex ADG. While I love the flexibility and power > > of > > > Flex/AS and the ADG, I really need to overcome these performance > > > problems or the project will sink. > > > > > > My ADG has approx. 100 columns with approx. 200 rows, in a > > grouping > > > collection that contains approx 30 groups. > > > > > > I suspect the lag I am seeing has to do with the redrawing of > > the > > > rows. Whenever I scroll or collapse/expand the nodes, it takes > > between > > > 1/2 to 1 second for the action to complete. And this isn't even a > > very > > > large dataset...we have some that have a few thousand rows. I > > haven't > > > used any item rendering (yet) that would slow the speed down, > > though I > > > have two columns that have style functions attached. All in all, > > this is > > > about as close to display the raw data as I can get. > > > > > > I have spent some time with the profiler and performance > > monitor and > > > it appears the the code is sound and without memory leaks. I have > > also > > > gone thru to refactor poorly designed code and remove unnecessary > > nestings. > > > > > > So my initial questions with this admittedly somewhat vague > > problem are: > > > > > > 1.) Is there a way to turn off the animations and would doing > > so > > > help with the speed? > > > 2.) Has anyone else faced this same dilemma and how did you > > > overcome the problems? > > > > > > Thanks, > > > Adrian > > > > > > > >
