>>You can change that by setting the process affinity, in windows SetThreadAffinityMask and SetProcessAffinityMask, not sure if it is implemented in ParallelFox as I never used it (well, I never used the affinity mask myself anyways :)).
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>Wow, OK. This sets a whole another level of control and complexity. I will need to save this for future investigation. But, it does answer my original question. Threads are spawned to the best available processor at the time they are initiated. But there is a way to control where they can be executed. I do agree that it is wiser to leave this to the system.

Which is exactly what I posted earlier....