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When you mouse over an icon of a minimized window on the task bar, desktop composition is the feature that shows a mini-view of that window in the little window that pops up and then the window itself if you mouse on to that pop-up. It also provides the pre-view (or whatever it's called) of...

I think I found it. Turn off "enable desktop composition", then the plot times become very close. I could swear that I turned off all the foo-foo features at one time or another while testing, but I must have missed that one.

Yep, got the latest of everything of the proper flavor. Nvidia has made definite improvements with the latest driver, so I hope they continue the trend of improvement. It definitely seems graphics related. I ran a batch plot with pro_batch (non-graphical), and the results are nearly identical...

Has anyone else tried using WF4 on Windows 7 and noticed that it takes longer to generate a plot? If so, did you find a remedy? The 64 bit RC and RTM of 7 produce the same results, about twice as long to generate the same plot as it takes on XP, 32 or 64 bit. I haven't tried the 32 bit 7...

I see the same thing occasionally even in WF4. I've never tried to determine whether it's repeatable or not. I just use the "corner" function to make them coincident when it happens.

See if the config option lods_enabled is set to yes, the default. I'm betting that it is at the default, and it cripples the performance on a good video card despite the fact that it is supposed to help video performance. It only helps low-powered card performance.