Re: [RESEND RFC PATCH V3] sched: Improve scalability of select_idle_sibling using SMT balance

[Peter Zijlstra]

On Thu, Feb 01, 2018 at 01:33:35PM +0100, Peter Zijlstra wrote:
> I think you want to go allocate sched_domain_shared for the MC level and
> use that, much like sd_llc_shared.

Also, you'd want to try and get performance numbers for something like
Power8, which has SMT8 and fairly expensive atomic ops.