> I believe I properly applied the pat patch, but I'm not really seeing > any improvement. At least, it still takes fully two seconds to bring > one large window in front of another.
that's because the screen is not double-buffered. pat or mtrr do not improve reads from video memory. there is no such thing as read combining. and on some nvidia cards, especially the pcie ones i have, reads from video memory are really slow. > Did you change anything with the nvidia driver when applying the mtrr > patch? I was under the impression that the applied patch only affected > the vesa driver. only the one line previously posted. (a similar change was made to the vesa driver, of course.) - erik
