Ingo Molnar sent in the kernel’s scheduler changes along with the other material he is overseeing for Linux 5.5. With this next version of the Linux kernel comes a rework to the Completely Fair Scheduler’s load balancing logic. This is helping some workloads at least but with the intrusive change runs the risk of possible regressions…

Source: Phoronix – Linux 5.5’s Scheduler Sees A Load Balancing Rework For Better Perf But Risks Regressions