There’s this old video from 2009 that’s been going viral on Twitter recently. Its supposed to give viewers an intuition of the difference between CPUs and GPUs.You can watch it here, it’s 90 seconds long:The idea is that CPU and a GPU go to head-to-head in a painting duel. The processors are somehow hooked up to a machine that shoot paintballs.The CPU takes a full 30 seconds to paint a very basic smiley face:And then the GPU paints the Mona Lisa in an instant:One takeaway from this video: CPUs a...