On Wed, Jul 28, 2021 at 01:37:19PM -0700, Josh Triplett wrote: > On Wed, Jul 28, 2021 at 10:37:15AM -0700, Paul E. McKenney wrote: > > This change makes the memory ordering requirements > > more evident, and it might well also speed up the to-idle and from-idle > > fastpaths on some architectures. > > Cleaning up the memory ordering requirements certainly seems worthwhile. > But is there any straightforward benchmark that might quantify the > "might well also speed up" here? How much does weakening the memory > ordering buy us, in practice? None that I know of! Thanx, Paul
