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I have a laptop equipped with an external and an on-board GPU. Through the settings of the nvidia panel I can determine when to use GPU. However, I couldn't make the processing use it. Therefore when I run a sketch doing tint, resize and similar operations on multiple images, I got something around 9 FPS, which is quite low.
Any Idea how can I improve the speed by using GPU ? Or do you think using the external GPU would make any difference ?