Re: After Effects Using All Processors by Walter Soyka on Mar 6, 2014 at 9:57:58 am
Are you using the ray-tracing renderer? In software-mode (no NVIDIA CUDA-enabled GPU), this disables traditional multiprocessing and renders on all cores.
You might try Lloyd Alvarez's excellent BG Renderer script [link], which lets you adjust the priority of the rendering processes and could make your computer a little more responsive during renders.
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