lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Message-ID: <000001cf9de8$43925230$cab6f690$@net> Date: Sat, 12 Jul 2014 08:45:09 -0700 From: "Doug Smythies" <dsmythies@...us.net> To: "'Stratos Karafotis'" <stratosk@...aphore.gr>, <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 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. ... Doug -- 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/
Powered by blists - more mailing lists