What performance improvements might a well-tuned OpenGL application for games/simulation expect with a switch to Vulkan?

If your application is well-tuned and GPU-bound, you may notice some reduction in CPU power. The CPU may be idle more often, but there won’t be a graphics difference if the application is already GPU-bound. If you get many CPU cycles back, you can explore enhancing rendering using some offline CPU techniques outside the rendering pipeline using a combination of CPU and GPU work to get better results.

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