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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@marcan42 ...though that reading is probably inaccurate, as execution time only decreased to 1/3 of 64x64
@DrDaxxy Well, you *are* comparing a newer desktop GPU with an older mobile GPU :-)
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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. - Show replies
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