Me to customer: The code now runs at ~2k iter per seconds, a 150x speedup compared to the version without CUDA. 1/6
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Costumer reply: We ran your code in nvvp. It says your code is only 40% efficient. Come back when you are at ~4k iter/sec. 3/6
All attempts at explaining to them the error in their thinking (or the exact meaning of that "efficiency" number) failed. 4/6
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This was over a year ago. I just looked at old code from that project and was reminded of how it ended. 5/6
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I think they honestly believed I tried to con them or something. Do you have any Dunning–Kruger customer story that you can share? 6/6
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