[shoo]

> However, I'm suspicious that they implemented an entirely different algorithm on the FPGA, and didn't measure the performance of that algorithm on GPUs.

I agree this was a bit suspicious. It may be the case that the different algorithm they used for the FPGA would have done well on a GPU -- or perhaps more likely, that if they spent a similar amount of effort in rethinking the algorithm just for the GPU, ending up with a third GPU-specialised approach, perhaps that would have done dramatically better.

Pragmatically, it seems like they chose the GPU for their application anyway - so they had already decided the GPU was the overall winner without needing to improve it.