> > > > b) software render > > > > > > LyX is slower in this mode, but a program like Stellarium is fast. > > > > hmmm... stellarium fast in this mode ? how do you diagnose being in 1b ? > > I diagnose LyX using a 100 page thesis with ~60 figures and some math. > I check the speed by opening a figure float and typing.
aha - from slowness you conjecture beeing in 1b, which is not good heuristics if we already dont know that 1b causes slowness of lyx :) the correct would be looking on /var/log/Xorg.0.log (the path depends on you system...) and looking on its messages. pavel