Messages in this thread | | | Date | Mon, 10 Feb 2014 07:54:17 -0800 | From | Dirk Brandewie <> | Subject | Re: [intel_pstate] fcb6a15c: -34.4% aim7 jobs-per-min and -17.0% will-it-scale/page_fault1 Pkg_W |
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On 02/07/2014 04:33 AM, Fengguang Wu wrote: > Hi Dirk, > > FYI, we notice dropped power and performance numbers on commit > fcb6a15c2e7e76d493e6f91ea889ab40e1c643a4 ("intel_pstate: Take core C0 > time into account for core busy calculation"). > > > v3.14-rc1 fcb6a15c2e7e76d493e6f91ea > --------------- ------------------------- > 6.53 ~ 4% -12.0% 5.75 ~ 2% lkp-sb03/micro/netperf/120s-200%-SCTP_STREAM > 147.93 ~ 0% -23.3% 113.40 ~ 0% lkp-sbx04/micro/will-it-scale/page_fault1 > 154.46 ~ 0% -22.9% 119.15 ~ 0% TOTAL turbostat.Cor_W > > v3.14-rc1 fcb6a15c2e7e76d493e6f91ea > --------------- ------------------------- > 203 ~ 0% -17.0% 169 ~ 0% lkp-sbx04/micro/will-it-scale/page_fault1 > 203 ~ 0% -17.0% 169 ~ 0% TOTAL turbostat.Pkg_W >
These two tests show an improvement in power :-)
> v3.14-rc1 fcb6a15c2e7e76d493e6f91ea > --------------- ------------------------- > 572540 ~ 1% -30.2% 399351 ~ 1% grantley/micro/aim7/disk_src > 317151 ~ 1% -42.0% 183863 ~ 0% grantley/micro/aim7/shell_rtns_1 > 889692 ~ 1% -34.4% 583214 ~ 1% TOTAL aim7.2000.jobs-per-min >
I am investigating where the aim benchmark went south.
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