On Tue, Oct 25, 2016 at 4:02 PM, Paolo Bonzini <pbonz...@redhat.com> wrote: > > >> I've written a patch (see below) to take the per-bucket sequence locks. > > What's the performance like? >
Applying only this patch, the perf numbers are similar to the 128 cache line alignment you suggested. 0 4 10 9.70 20 8.09 30 7.13 40 6.49 I am not sure why only 100% reader case is so low. Applying the sequence lock cache alignment patch brings it back up to 13 MT/s/thread. -- Pranith
