为了优化此类工作，电路需安装更昂贵的加速图形卡。

More expensive "accelerated" graphics CARDS are equipped with circuitry that optimizes such tasks.

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如果你决定安装Nvidia专有图形卡驱动程序(实现这个，只需点击数下即可)，那么CUDA (Nvidia硬件加速api)和OpenCL支持也会同时安装。

If you decide to install the nvidia proprietary graphics card drivers (you can do this with a few clicks), CUDA (the nvidia hardware acceleration API) and OpenCL support is installed too.

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如果从图形卡中读取图像数据仅仅是为了在另一个进程中把这些数据复制回图形卡中，使用加速的渲染通常首先就是不值得的。

If the images needs to be read off the video card only to be copied back to the video card in another process, it is usually not worthwhile using accelerated rendering in the first place.

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