On Thu, Dec 17, 2020 at 4:27 PM Doug Smythies <dsmyth...@telus.net> wrote: > > On 2020.12.14 12:02 Rafael J. Wysocki wrote: > > > Hi, > > Hi Rafael, > > V2 test results below are new, other results are partially re-stated: > > For readers that do not want to read on, I didn't find anything different > than with > the other versions. This was more just due diligence.
Thanks a lot for the data, much appreciated as always! > Legend: > > hwp: Kernel 5.10-rc6, HWP enabled; intel_cpufreq > rfc (or rjw): Kernel 5.10-rc6 + this patch set, HWP enabled; intel_cpu-freq; > schedutil > no-hwp: Kernel 5.10-rc6, HWP disabled; intel_cpu-freq > acpi (or acpi-cpufreq): Kernel 5.10-rc6, HWP disabled; acpi-cpufreq; schedutil > patch: Kernel 5.10-rc7 + V1 patch set, HWP enabled; intel_cpu-freq; schedutil > v2: Kernel 5.10-rc7 + V2 patch set, HWP enabled; intel_cpu-freq; schedutil > > Fixed work packet, fixed period, periodic workflow, load sweep up/down: > > load work/sleep frequency: 73 Hertz: > > hwp: Average: 12.00822 watts > rjw: Average: 10.18089 watts > no-hwp: Average: 10.21947 watts > acpi-cpufreq: Average: 9.06585 watts > patch: Average: 10.26060 watts > v2: Average: 10.50444 > > load work/sleep frequency: 113 Hertz: > > hwp: Average: 12.01056 > rjw: Average: 10.12303 > no-hwp: Average: 10.08228 > acpi-cpufreq: Average: 9.02215 > patch: Average: 10.27055 > v2: Average: 10.31097 > > load work/sleep frequency: 211 Hertz: > > hwp: Average: 12.16067 > rjw: Average: 10.24413 > no-hwp: Average: 10.12463 > acpi-cpufreq: Average: 9.19175 > patch: Average: 10.33000 > v2: Average: 10.39811 > > load work/sleep frequency: 347 Hertz: > > hwp: Average: 12.34169 > rjw: Average: 10.79980 > no-hwp: Average: 10.57296 > acpi-cpufreq: Average: 9.84709 > patch: Average: 10.67029 > v2: Average: 10.93143 > > load work/sleep frequency: 401 Hertz: > > hwp: Average: 12.42562 > rjw: Average: 11.12465 > no-hwp: Average: 11.24203 > acpi-cpufreq: Average: 10.78670 > patch: Average: 10.94514 > v2: Average: 11.50324 > > > Serialized single threaded via PIDs per second method: > A.K.A fixed work packet, variable period > Results: > > Execution times (seconds. Less is better): > > no-hwp: > > performance: Samples: 382 ; Average: 10.54450 ; Stand Deviation: 0.01564 ; > Maximum: 10.61000 ; Minimum: 10.50000 > > schedutil: Samples: 293 ; Average: 13.73416 ; Stand Deviation: 0.73395 ; > Maximum: 15.46000 ; Minimum: 11.68000 > acpi: Samples: 253 ; Average: 15.94889 ; Stand Deviation: 1.28219 ; > Maximum: 18.66000 ; Minimum: 12.04000 > > hwp: > > schedutil: Samples: 380 ; Average: 10.58287 ; Stand Deviation: 0.01864 ; > Maximum: 10.64000 ; Minimum: 10.54000 > patch: Samples: 276 ; Average: 14.57029 ; Stand Deviation: 0.89771 ; > Maximum: 16.04000 ; Minimum: 11.68000 > rfc: Samples: 271 ; Average: 14.86037 ; Stand Deviation: 0.84164 ; > Maximum: 16.04000 ; Minimum: 12.21000 > v2: Samples: 274 ; Average: 14.67978 ; Stand Deviation: 1.03378 ; Maximum: > 16.07000 ; Minimum: 11.43000 > > Power (watts. More indicates higher CPU frequency and better performance. > Sample time = 1 second.): > > no-hwp: > > performance: Samples: 4000 ; Average: 25.41355 ; Stand Deviation: 0.22156 > ; Maximum: 26.01996 ; Minimum: 24.08807 > > schedutil: Samples: 4000 ; Average: 12.58863 ; Stand Deviation: 5.48600 ; > Maximum: 25.50934 ; Minimum: 7.54559 > acpi: Samples: 4000 ; Average: 9.57924 ; Stand Deviation: 5.41157 ; > Maximum: 25.06366 ; Minimum: 5.51129 > > hwp: > > schedutil: Samples: 4000 ; Average: 25.24245 ; Stand Deviation: 0.19539 ; > Maximum: 25.93671 ; Minimum: 24.14746 > patch: Samples: 4000 ; Average: 11.07225 ; Stand Deviation: 5.63142 ; > Maximum: 24.99493 ; Minimum: 3.67548 > rfc: Samples: 4000 ; Average: 10.35842 ; Stand Deviation: 4.77915 ; > Maximum: 24.95953 ; Minimum: 7.26202 > v2: Samples: 4000 ; Average: 10.98284 ; Stand Deviation: 5.48859 ; > Maximum: 25.76331 ; Minimum: 7.53790 > >
