The JuliaParallel/rodinia repo says that the focus of those benchmarks is the CUDA versions. I suspect that the CPU versions have not had much optimization effo

The JuliaParallel/rodinia repo says that the focus of those benchmarks is the CUDA versions. I suspect that the CPU versions have not had much optimization effort spent on them. Julia isn't a magic wand, but you can usually get within a factor of 2 of C++ with similar effort.