A single-pass ray-casting algorithm is developed based on GPU(graphics processing unit), and on the basis of this algorithm an accelerated algorithm is proposed based on space leaping technique.

实现了一种基于图形处理器的单步光线投射算法，并在此基础上提出了一种基于空间跳跃技术的光线投射算法，以实现加速。

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These include a CPU (central processing unit), GPU (graphics processing unit), memory and other elements.

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By contrast an Nvidia graphics processing unit, or GPU, renders graphics by simultaneously hashing out the same problem for multiple pixels: textures, lighting and smooth rendering of shapes flying across the screen.

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Imagination had previously been more successful at licensing graphics processing unit (GPU) designs.

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