Hi, RaphaXl Quinet <quinet@xxxxxxxxxx> writes: > Yes, I have played with testgtk in both versions. Unfortunately the > interface has changed so it is hard to compare the performance in both > cases. The new one from GTK+ 2.0 is definitely slower, but it is > difficult to say if that would explain the difference seen in the GIMP. > > Maybe I need to find an even slower computer than my PC at home, so > that I can compare how fast GTK+ 2.0 redraws its widgets compared to > 1.2.x. GTK+-2.0 draws its widgets double-buffered which definitely does not make it faster (but reduces flickering). It might be interesting to disable this feature by undefining USE_BACKING_STORE in gdkwindow.c. > > Since we use a model-view concept in GIMP-1.3, we use a lot of signal > > emissions to synchronize the UI with the core data structs. You could > > get a noticeable speedup by compiling glib without debugging (default > > since 2.0) and make sure that app/core/gimpmarshal.[ch] is generated > > using a recent version of glib-genmarshal. > > Yes, I also get glib and gtk+ from anonymous CVS (updated during the > week-end) so I should have the correct version. gimpmarshal.[ch] might nevertheless not have been rebuilt since there's no dependency to glib-genmarshal. You better have a look at the files or touch gimpmarshal.list to force regeneration. Salut, Sven
