Am 12.10.2015 um 14:43 schrieb Stephan Witt <st.w...@gmx.net>: > Am 12.10.2015 um 13:54 schrieb Jean-Marc Lasgouttes <lasgout...@lyx.org>: > >> Le 12/10/2015 11:44, Stephan Witt a écrit : >>> In fact it's the user who told me about the pixmap cache problem. >>> I've asked him already if it's slower than 2.1.4 but didn't get >>> an answer so far. >> >> I cannot look at pixmap cache stuff on linux since it is disabled there. > > Yes, I know. > >> I can try on a mac, but it will take longer. > > IMHO, you can postpone this until we have an answer.
I cite the mails below: >> On Mon, Oct 12, 2015 at 2:37 AM, Stephan Witt <st.w...@gmx.net> wrote: >> Hi Zhexuan, >> >> thank you for reporting this issue. I'll check what can be done here. >> >> You wrote scrolling is very slow while pixmap cache is disabled. Is this a >> new problem for 2.2.0? Did you enable the cache with 2.1.x too? And how is >> scrolling with 2.1.x on your system with disabled cache? >> >> There were major changes regarding screen drawing and there was some hope to >> improve the performance of drawing operations. It looks like there isn't any >> big gain here. Am 12.10.2015 um 17:23 schrieb Zhexuan <x...@umd.edu>: > Hi Stephan, > > Yes I actually didn't find any noticeable improvement in scrolling compared > to 2.1.4. The problem is not really the speed of scrolling, but the > smoothness of scrolling. There is a noticeable jerkiness when you scroll up > and down. Enabling pixel map cache will improve the situation a little bit > for both versions, but compared to many other OS X apps (such as Safari, > Preview, TeXShop etc), the scrolling experience is much less satisfactory. > But I think this is a relatively minor issue compared to the missing > character display bug I mentioned. The answer from Zhexuan is not that discouraging :) If we cannot solve the pixmap cache issue we may disable it for the alpha release, IMO. Stephan
