On Mon Feb 27, 2023 at 11:33 PM AEST, Peter Zijlstra wrote:
> On Sun, Feb 26, 2023 at 02:12:38PM -0800, Andrew Morton wrote:
> > On Fri, 3 Feb 2023 17:18:37 +1000 Nicholas Piggin
> > wrote:
> >
> > > On a 16-socket 192-core POWER8 system, the context_switch1_threads
> > > benchmark from
On Sun, Feb 26, 2023 at 02:12:38PM -0800, Andrew Morton wrote:
> On Fri, 3 Feb 2023 17:18:37 +1000 Nicholas Piggin wrote:
>
> > On a 16-socket 192-core POWER8 system, the context_switch1_threads
> > benchmark from will-it-scale (see earlier changelog), upstream can
> > achieve a rate of about 1
On Fri, 3 Feb 2023 17:18:37 +1000 Nicholas Piggin wrote:
> On a 16-socket 192-core POWER8 system, the context_switch1_threads
> benchmark from will-it-scale (see earlier changelog), upstream can
> achieve a rate of about 1 million context switches per second, due to
> contention on the mm
On a 16-socket 192-core POWER8 system, the context_switch1_threads
benchmark from will-it-scale (see earlier changelog), upstream can
achieve a rate of about 1 million context switches per second, due to
contention on the mm refcount.
64s meets the prerequisites for CONFIG_MMU_LAZY_TLB_SHOOTDOWN,
