Dear Serge, I suggest you simply make a test.
> Indeed if you read the documentation of Python, you'll see that the > python byte-code interpreter is not able to run multiple thread at any > given time I don't think the PyMOL raytracer is written in Python. Furtermore, when I raytrace in PyMOL on my dual CPU Athlon MP both CPU's are utilized (top shows 93% under linux). So it does multithread. Regards, ./ Kristoffer