However even here multiple cores wouldn't help, they would basically get into each others way. In some very complex projects, with many thousands of products, the CPU core may struggle to send data fast enough to the GPU. We do this on purpose in order to have that core in an 'always ready' state to send data to the GPU when needed. It is normal that one core goes to 100% usage when entering 'freelook' mode. Since there is only one single 'lane' to send rendering commands to the graphic card(s), having more than one core to push data into it would create collisions and would reduce performance.
The CPU doesn't do any rendering by itself. The CPU supplies the graphic cards with the information that it needs to render the scene. All the rendering is exclusively done by the graphic card(s). In fact, it doesn't make sense to use more cores for rendering as it would actually hurt the performance. System requirements for Store Visualizer 14: KB on Stereoscopic rendering and preferred graphic cards: Benchmark page on Graphic card performances: Store Visualizer using only one core for rendering is by design. I would like to get some information on the graphic card usage for real-time rendering in Store Visualizer.
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