Hey Rui,
for what it's worth, I had a very similar problem. I upgraded a MacBook
Pro to OSX SP6 and got extra-slow graphics and a wildly flickering PyMOL
window - only on the laptop screen, though. On the external screen,
PyMOL looked ok. Ray-tracing was painfully slow in either window.
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For what it is worth (I'm fairly confident that indeed this is not the cause of
the problem you are seeing, but better checking than missing the point):
The current MacBook Pro also have two GPU, one integrated in the chipset and a
more powerful
Serge,
this might indeed be the problem for some, but my MacBook is of an older
vintage and only has one GPU.
Andreas
On 15/02/2010 10:10, Serge Cohen wrote:
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For what it is worth (I'm fairly confident that indeed this is not the cause of
Dear Rui:
Did you by any chance install an old ppc version of X11 onto an intel machine?
If so, it might be running via Rosetta, which is an emulator provided for
transition, but could account for lousy performance. OS X 10.6 comes with X11
installed by default, so you might have clobbered
