"Render in separate process" doesn't have much of an advantage when rendering animations. When rendering complex stills, however, the fact that the separate process has its own 2 GB (or 4 GB on XP 64 bit) address space means that more complicated scenes can be rendered. The render process doesn't carry the memory overhead of a Python interpreter, a graphical user interface, and who knows how many tools, so more address space is available for the actual render.

It may be that "render to separate process" is the first step towards a Poser render farm, which would definitely be an asset to animators. We'll see when Poser 8 comes out.

The pen is mightier than the sword. But if you literally want to have some impact, use a typewriter

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