Real-time Super High Resolution Light Field Rendering with Multi-GPU Scheduling

On the premise of ensuring high realistic image, it is difficult to realize real-time rendering of complex scene with ultra-high resolution 3D display. In this paper, a simple, fast and universal solution is proposed, which is a real-time method of computational integrated imaging 3D display based on multi-GPU scheduling and path tracing technology. The multi-GPU technology based on split frame rendering mode can complete several times of rendering calculation at the same time, and can reasonably adjust the proportion of each GPU rendering task through dynamic load balancing technology, so as to achieve the optimal rendering efficiency. Experimental results show that compared with the rendering frame rate of single GPU, the increase multiple of dual GPU can reach more than 1.9 in ultra-high resolution scene. In addition, for complex scene with a resolution of 7680 × 4320, the rendering frame rate of the dual GPU can reach more than 15FPS, which can basically achieve smooth interaction.