Joe Gregorio
With Spectre and Meltdown we can see the inevitable results of trying to squeeze more and more performance out of a small number of cores. I believe the future is in processors with a high number of cores, such as RISC-V. With hundreds or thousands of cores on a single chip you can stop doing time-slicing and start doing core-slicing. That is, instead of doing preemtive multitasking, each process will be scheduled with a subset of the total number of core. The cores will be distrubuted among the processes that are running and they will keep those cores until they are done. A change in priority for a process would mean they get more or less cores.