Re: [PATCH 0/6] sched: TTWU, IPI, and assorted stuff

[Peter Zijlstra]

On Mon, Jun 15, 2020 at 10:21:49AM -0700, Paul E. McKenney wrote:
> On Mon, Jun 15, 2020 at 06:40:48PM +0200, Peter Zijlstra wrote:

> > Thanks! I've got 16*TREE03 running since this morning, so far so nothing :/
> > (FWIW that's 16/9 times overcommit, idle time fluctuates around 10%).
> 
> My large system as large remote memory latencies, as in the better part
> of a microsecond.  My small system is old (Haswell).  So, just to grasp
> at the obvious straw, do you have access to a multisocket Haswell system?

I've been running this on a 4 socket haswell ex.