How many web developers understand that a low-end integrated GPU on a laptop can draw full 4k screens of pixels at 3000 frames per second?
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Not if you're using SetPixel to draw each one.
I made a 3SAT solver that determines the color of each pixel based on the colors of neighboring pixels.
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SAT solvers are genuinely really cool, though people would usually be better off building more specialized solvers that use similar techniques. Of course, SAT is NP-complete. If your problem isn't in NP, a SAT solver is likely complete overkill.
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“Why?!?-linear filtering”
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I had to keep adding 0's to the number of rays per pixel in my depth of field/AA/motion-blurred/soft shadowed ray tracer benchmark to make it slow enough to get statistically valid data. Its ray intersection code just looped through a giant list of triangles and tested them all.
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_years_ ago, I wrote a perl 68K asm language interpreter to see if it would be faster than a real one. It was, a lot. "Assembly" language: It was using regex's to parse asm instructions. The PC was an offset into a string. JMPing to a label was a search of the whole source text.
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