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I'm using MegaPOV 0.4a under Windows 2000. I just noticed that when doing
the photon mapping pass, the CPU utilization dropped steadilly from the
initial 100% down to as low as 9% before it finished. The memory usage was
moderate, and also varied a great deal between 2 and 10 MB, so it wasn't
swapping. HandleEx shows that there were no interesting files open, so
waiting on I/O would not account for it.
WHY would the system be idle so much when MegaPOV is running? I would
expect it to use 100% CPU if nothing else needed attention.
--John
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