Another nitpick: 128 cores equals ~ 4 nodes only if your problem is not bound by memory bandwidth. If it is, 128 cores equals ~ 16 cores, and then the interconn

Another nitpick: 128 cores equals ~ 4 nodes only if your problem is not bound by memory bandwidth. If it is, 128 cores equals ~ 16 cores, and then the interconnect matters a lot. Great writeup though. I do think we need to get more people into the mindset that MPI won't be the standard in 10 years, otherwise it will still be the standard in 10 years.