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Re:Why does changing 0.1f to 0 slow down performance by 10x? by mturmon on Sunday March 11, 2012 @08:19PM (#3691780)
I've seen slowdowns with NaNs. It's incredibly frustrating.

The NaNs were being used in a sensible way to indicate "don't process this part of the image, it is over ocean not land and the values are nonsense".

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