On Sat, 5 Jun 2021 11:42:16 +1000 Nicholas Piggin <npiggin@xxxxxxxxx> wrote: > On a 16-socket 192-core POWER8 system, a context switching benchmark > with as many software threads as CPUs (so each switch will go in and > out of idle), upstream can achieve a rate of about 1 million context > switches per second. After this patch it goes up to 118 million. Nice. Do we have a feel for the benefit on any real-world workloads? Could any other architectures benefit from these changes?
