I understand that Vulkan is more efficient for the CPU, not the GPU. However, because it's low-level, giving more control over the hardware, it can enable new t

I understand that Vulkan is more efficient for the CPU, not the GPU. However, because it's low-level, giving more control over the hardware, it can enable new techniques that weren't possible before. Do any of these new Vulkan (or Metal or DX12) techniques actually exist yet?