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by elihu 2246 days ago
That's what I meant; multiple operating systems threads, not hyperthreaded execution on one core.

I don't remember offhand what POV-Ray's support for multi-core execution is or was. Back in the 90's, there was PVM-POV which ran on a cluster. That's probably what you'd use if you had a dual-socket machine back then. I imagine there was probably an MPI version as well. I assume it supports multicore natively now, since practically all CPUs are multi-core now.