On Tue, Apr 13, 2004 at 04:07:34PM +0200, Braunstein Alfredo wrote: > > We are avoiding several things. First is updateParPositions(), second > > I may be wrong, but I don't think this is the bottleneck.
It was at some point of time. Went mostly away when going from per-row y caches to per-paragraph y caches plus row-in-par offset, remember? This saved about a factor of ten, but it still looms. > > (and more important) is the need to have a (semi-)correct row cache > > at all. So we would basically never have to call redoParagraph() > > manually. > > ... which is not really expensive IMO But hard to find the right places to call it. > > And we would not need redoParagraph() in e.g. LyXText::init... > > ...but this has nothing to do with "editing slowdown"... But with e.g. buffer loading and buffer switching? [Not sure here, don't have the sources at hand] > So: I may agree that its a reasonable change (I even remember proposing > something along the lines last year), but I don't think we are solving any > performance problem... So you claim that the only reason of the perceived cursor-right performance problem is redrawing a single full screen full of 2-d data? I am not saying this is impossible, but I'd rather expect a larger part of the problem in the 99 other pages the are not drawn yet touched in update. Andre'
