On Tue, Jul 12, 2022 at 04:31:20PM -0400, Scott Kostyshak wrote: > However, it seems to have a pretty big hit on performance. The way I > checked was starting with select-all on a document, and then doing shift > + up and seeing how long it took to get to the top. It took 16 seconds > without the patch and 47 seconds with the patch. I don't have a good > argument for a use case for this particular stress test, but it seems to > raise a flag, and the document I used to test is not too long (it > compiles to a 14 page PDF).
I see. Admittedly I used it only localy for couple paragraphs and it did not occur to me to try selection of the whole document. In a local use even on my super-speedy repeat rate of keyboard nothing is noticeable but when I select complete User Guide the lag is indeed visible. One could perhaps disable the feature if (to-from) is too big. > I think it would be nice to add an option to show/remove it. As you've guessed I am no fan of new options for details like this. > If that doesn't work, would this be a good candidate for asynchronous > calculation? This would be indeed an option. We could show statistics for the whole document or just selection when selected and update it in a parallel thread once in a second or so. I have a feeling that MS Word is doing something like this based on it's laggy updates of statusbar. > I know I'm asking to do a lot of work You are and I am nowhere close to having time for that :) As such this change goes to my local patchset and I am rectracting the proposal... Pavel -- lyx-devel mailing list lyx-devel@lists.lyx.org http://lists.lyx.org/mailman/listinfo/lyx-devel
