Unfortunately, it seems that some intermediate changes made in Jaunty
during the past week have made things worse for me.

Java performance is good (scrolling, view resizing, etc in IDEA8 is very
fast), however if I open many windows on the same viewport (5+ or
something, especially maximized ones), then switching between them
becomes very slow. Dragging of a single window is fast and any redraws
inside of a single windows is also fast, but things like Alt+Tab, Scale
compiz plugin or anything else that operates on many windows at once is
slow. Bad, but maybe this was caused by some 'stability' patches,
probably related to memory management somehow. This is with EXA.

Another issue is that UXA does not work for me anymore - it is able to
redraw the screen (in compiz) only once per 2 seconds (Compiz benchmark
shows 0.5 fps), which is totally unacceptable. Last week, UXA was at
least as fast as EXA for me, with DRI2 working. XAA crashes, too. Very
bad...

And yes, I use the default xorg.conf.

lspci | grep -i display
00:02.1 Display controller: Intel Corporation Mobile GM965/GL960 Integrated 
Graphics Controller (rev 0c)

-- 
Intel Java Graphics Performace degradation in Intrepid
https://bugs.launchpad.net/bugs/288650
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