Working on an OpenCL version of waifu2x: https://github.com/marcan/cl-waifu2x … (not even remotely complete yet, please don't judge its performance!)
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@DrDaxxy Since the kernel is pretty unoptimized, it's also probably vastly more sensitive to architectural differences.
@DrDaxxy E.g. I'm pretty sure the bottleneck here is __global memory accesses, since I'm (dumbly) reading the same data 128 times.
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@DrDaxxy Next step is to figure out how to load the data once into __local memory and work there. Need to figure out workgroup partitioning.Thanks. Twitter will use this to make your timeline better. UndoUndo
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