On Tue, Oct 25, 2016 at 16:35:48 -0400, Pranith Kumar wrote:
> 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.
That makes sense. Having a single seqlock per bucket is simple and fast;
note that bucket chains should be very short (we use good hashing and
automatic resize for this purpose).
E.
