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Date: Sun, 13 Jul 2014 19:54:43 +0300 From: Stratos Karafotis <stratosk@...aphore.gr> To: Doug Smythies <dsmythies@...us.net>, rjw@...ysocki.net, viresh.kumar@...aro.org CC: linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 0/2] cpufreq: ondemand: Eliminate the deadband effect Hi Doug, On 12/07/2014 06:45 μμ, Doug Smythies wrote: > > On 2014.07.30 10:00 Stratos Karafotis wrote: > >> This patchset changes slightly the calculation of target frequency to >> eliminate the deadband effect (explained in patch 2 changelog) that it >> seems to slow down the CPU in low and medium loads. >> >> Patch 1 introduces a new relation (RELATION_C) for the next frequency >> selection, which chooses the closest frequency to target. >> >> Patch 2 is the actual change to ondemand governor. > >> You may find graphs with the 'deadband' effect and benchmark results: >> https://docs.google.com/spreadsheets/d/16kDBh5lyc6YvBnoS1hUa1t2O38z0xrWvaEj5XtJ8auw/edit#gid=2072493052 > > I did the same benchmark tests before (without) and after (with) this patch set on my i7-2600K system. > I added the results, which are similar to Stratos', under a new "benchmark" tab on the spreadsheet. Thank you very much for your benchmarks! Stratos -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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