Linux Kernel Power Regression

Power tests for Phoronix showing big regression. This is just one of the systems and one of the quick tests for the Friday article.

HTML result view exported from: https://openbenchmarking.org/result/1104223-GR-LINUXPOWE47.

Linux Kernel Power RegressionProcessorMotherboardChipsetMemoryDiskGraphicsAudioOSKernelDesktopDisplay ServerDisplay DriverCompilerFile-SystemScreen ResolutionLinux 2.6.35Linux 2.6.36Linux 2.6.37Linux 2.6.38Linux 2.6.39 DevIntel T2400 @ 1.83GHz (2 Cores)LENOVO 2613EJUIntel Mobile 945GM/PM/GMS + ICH7-M1024MB80GB Hitachi HTS541080G9SA00ATI Radeon Mobility X1400 (392/350MHz)Analog Devices AD1981Ubuntu 10.102.6.35-22-generic (i686)GNOME 2.32.0X Server 1.9.0radeon 6.13.1GCC 4.4.5ext41400x10502.6.36-020636-generic (i686)2.6.37-020637-generic (i686)2.6.38-020638-generic (i686)2.6.39-999-generic (i686)OpenBenchmarking.orgSystem Details- Compiz was running on this system. Intel SpeedStep was enabled. This was running on battery power.

Linux Kernel Power Regressionopenarena: 1280 x 960openssl: RSA 4096-bit PerformanceLinux 2.6.35Linux 2.6.36Linux 2.6.37Linux 2.6.38Linux 2.6.39 Dev31.937.9031.537.9031.577.9032.807.9032.837.88OpenBenchmarking.org

Timed Idle

SYS Power Monitor

MinAvgMaxLinux 2.6.35163081716718290Linux 2.6.36161071749218620Linux 2.6.37161051773719969Linux 2.6.38200602107622521Linux 2.6.39 Dev191862052722003OpenBenchmarking.orgMilliwatts, Fewer Is BetterTimed IdleSYS Power Monitor6K12K18K24K30K

OpenArena

Resolution: 1280 x 960

OpenBenchmarking.orgFrames Per Second, More Is BetterOpenArena 0.8.5Resolution: 1280 x 960Linux 2.6.35Linux 2.6.36Linux 2.6.37Linux 2.6.38Linux 2.6.39 Dev816243240SE +/- 0.33, N = 3SE +/- 0.03, N = 3SE +/- 0.03, N = 3SE +/- 0.00, N = 3SE +/- 0.03, N = 331.9331.5331.5732.8032.83

OpenArena

SYS Power Monitor

MinAvgMaxLinux 2.6.35195142511626566Linux 2.6.36181992529026884Linux 2.6.37193382532826854Linux 2.6.38221302880130308Linux 2.6.39 Dev240652787629212OpenBenchmarking.orgMilliwatts, Fewer Is BetterOpenArena 0.8.5SYS Power Monitor7K14K21K28K35K

OpenSSL

RSA 4096-bit Performance

OpenBenchmarking.orgSigns Per Second, More Is BetterOpenSSL 1.0.0aRSA 4096-bit PerformanceLinux 2.6.35Linux 2.6.36Linux 2.6.37Linux 2.6.38Linux 2.6.39 Dev246810SE +/- 0.00, N = 4SE +/- 0.00, N = 4SE +/- 0.00, N = 4SE +/- 0.00, N = 4SE +/- 0.03, N = 47.907.907.907.907.88

OpenSSL

SYS Power Monitor

MinAvgMaxLinux 2.6.35235432761628745Linux 2.6.36225512736428543Linux 2.6.37224632744428754Linux 2.6.38254173128632563Linux 2.6.39 Dev270893053031742OpenBenchmarking.orgMilliwatts, Fewer Is BetterOpenSSL 1.0.0aSYS Power Monitor8K16K24K32K40K

SYS Power Monitor

Phoronix Test Suite System Monitoring

MinAvgMaxLinux 2.6.35163082415728745Linux 2.6.36161032431028543Linux 2.6.37160812436528754Linux 2.6.38200602786932563Linux 2.6.39 Dev191802702531742OpenBenchmarking.orgMilliwattsSYS Power MonitorPhoronix Test Suite System Monitoring8K16K24K32K40K

Phoronix Test Suite v10.8.4