And here with EXA we see some good, and some really bad. The good news
is that the pixman functions doing software compositing have
disappeared from the top of the profile, leaving only software
-rasterization. But what's with this new i965_prepare_composite
+rasterization. But what's with this new `i965_prepare_composite`
function that's taking even more time than all of libxul? That seems
like rather excessive overhead.
assignment statements, and then a "long sequence of commands needed to
set up the 3D rendering pipe". Is any of that setup redundant and
could it be easily eliminated?
+
+I noticed two calls to i830WaitSync which seemed to have "slowdown"
+written all over them. But I ran with these two calls removed and
+didn't notice any change in the performance, (and if they were causing
+a problem, shouldn't they have shown up separately in the profile
+anyway?).