On Mon, 14 Aug 2017 09:48:07 -0700, Kevin Oberman wrote:
> On Mon, Aug 14, 2017 at 8:38 AM, Ian Smith wrote:
[..]
> > > > As far as possible TSC impact, I think older processors had TSC
> > > > issues when not all cores ran with the same clock speed. That said,
> > > > I am not remotely exp
On Mon, Aug 14, 2017 at 8:38 AM, Ian Smith wrote:
> On Mon, 14 Aug 2017 17:16:22 +1000, Aristedes Maniatis wrote:
>
> > On 14/8/17 3:08PM, Kevin Oberman wrote:
> > > Again, the documentation lags reality. The default was changed for
> > > 11.0. It is still conservative. In ALMOST all cases, Cm
On 14.08.2017 18:38, Ian Smith wrote:
> On Mon, 14 Aug 2017 17:16:22 +1000, Aristedes Maniatis wrote:
> > On 14/8/17 3:08PM, Kevin Oberman wrote:
> > > Again, the documentation lags reality. The default was changed for
> > > 11.0. It is still conservative. In ALMOST all cases, Cmax will yield
On Mon, 14 Aug 2017 17:16:22 +1000, Aristedes Maniatis wrote:
> On 14/8/17 3:08PM, Kevin Oberman wrote:
> > Again, the documentation lags reality. The default was changed for
> > 11.0. It is still conservative. In ALMOST all cases, Cmax will yield
> > the bast results. However, on large syst
On 14/8/17 3:08PM, Kevin Oberman wrote:
> Again, the documentation lags reality. The default was changed for 11.0. It
> is still conservative. In ALMOST all cases, Cmax will yield the bast results.
> However, on large systems with many cores, Cmax will trigger very poor
> results, so the default
On Sun, Aug 13, 2017 at 8:25 PM, Aristedes Maniatis wrote:
> I note that in FreeBSD 11, we now have this:
>
> # grep performance_cx_lowest /etc/defaults/rc.conf
> performance_cx_lowest="C2" # Online CPU idle state
>
> However this wiki page suggests that C1 is the default
>
> https:/
I note that in FreeBSD 11, we now have this:
# grep performance_cx_lowest /etc/defaults/rc.conf
performance_cx_lowest="C2" # Online CPU idle state
However this wiki page suggests that C1 is the default
https://wiki.freebsd.org/TuningPowerConsumption
Are these inconsistent?
I wen