On Fedora, that'd be the kernel-tools package, and the "cpupower frequency-info" command, I think?
On Sat, Dec 17, 2016 at 11:04 PM, Bobby Holley <bobbyhol...@gmail.com> wrote: > It looks like there are similar (though not as bad) shenanigans on Linux. > > In a fresh Ubuntu install, there are two available frequency governors, > "powersave" and "performance". The default is "powersave", which seems > suboptimal on a Desktop Xeon. The intel_pstate driver doesn't support > manually pegging the clock, but the "performance" governor seems generous > enough that it probably doesn't matter. > > Installing cpufrequtils and then setting the governor in > /etc/init.d/cpufrequtils to "performance" seemed to do the trick. You can > get a live read on clock speeds with cpufreq-aperf, which should show all > logical CPUs pegged to/near their max during a clobber build. > > Changing this seemed to take a clobber build from 8:45 to 8:30, though I > didn't remeasure in powersave. > > HTH, > bholley > > On Tue, Dec 13, 2016 at 6:31 AM, Ben Kelly <bke...@mozilla.com> wrote: > > > On Mon, Dec 12, 2016 at 8:44 PM, Gregory Szorc <g...@mozilla.com> wrote: > > > > > The Windows 10 power settings appear to set the minimum CPU frequency > at > > 5% > > > or 10% of maximum. When I cranked this up to 100%, artifact build time > > > dropped from ~170s to ~77s and full build configure dropped from ~165s > to > > > ~97s! > > > > > > If you are a Windows user with Xeons in your desktop, you may want to > > visit > > > Control Panel -> Hardware and Sound -> Power Options -> Edit Plan > > Settings > > > -> Change advanced power settings -> Process power management -> > Minimum > > > processor state and crank that up and see what happens. Note: running > > your > > > CPU at 100% all the time may impact your power bill! > > > > > > > FWIW, in my windows 10 Control Panel -> Hardware and Sound -> Power > Options > > I had 3 preset power profiles: > > > > * Balanced (default selected) > > * Power Saver > > * Performance > > > > The "Balanced" profile has the 5% minimum clock speed. The "Performance" > > profile set that to 100%. > > > > Ben > > _______________________________________________ > > dev-platform mailing list > > dev-platform@lists.mozilla.org > > https://lists.mozilla.org/listinfo/dev-platform > > > _______________________________________________ > dev-platform mailing list > dev-platform@lists.mozilla.org > https://lists.mozilla.org/listinfo/dev-platform > _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
