Linux 4.1 Haswell Ultrabook Power
Linux kernel benchmarks by Michael Larabel for a future article on Phoronix.com.


Linux 4.1 Git: 

	Processor: Intel Core i7-4558U @ 3.30GHz (4 Cores), Motherboard: ASUS UX301LAA v1.0, Chipset: Intel Haswell-ULT DRAM, Memory: 8192MB, Disk: 2 x 128GB SanDisk SD6SP1M1, Graphics: Intel Device 0a2e (1200MHz), Audio: Intel Haswell-ULT HD Audio, Monitor: LQ133T1JW14, Network: Intel Wireless 7260

	OS: Ubuntu 15.04, Kernel: 4.1.0-999-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.2.901 (1.16.3 RC 1), Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 10.5.2, Compiler: GCC 4.9.2, File-System: ext4, Screen Resolution: 2560x1440

Linux 4.0: 

	Processor: Intel Core i7-4558U @ 3.30GHz (4 Cores), Motherboard: ASUS UX301LAA v1.0, Chipset: Intel Haswell-ULT DRAM, Memory: 8192MB, Disk: 2 x 128GB SanDisk SD6SP1M1, Graphics: Intel Device 0a2e (1200MHz), Audio: Intel Haswell-ULT HD Audio, Monitor: LQ133T1JW14, Network: Intel Wireless 7260

	OS: Ubuntu 15.04, Kernel: 4.0.0-040000-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.2.901 (1.16.3 RC 1), Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 10.5.2, Compiler: GCC 4.9.2, File-System: ext4, Screen Resolution: 2560x1440

Linux 3.19: 

	Processor: Intel Core i7-4558U @ 3.30GHz (4 Cores), Motherboard: ASUS UX301LAA v1.0, Chipset: Intel Haswell-ULT DRAM, Memory: 8192MB, Disk: 2 x 128GB SanDisk SD6SP1M1, Graphics: Intel Device 0a2e (1200MHz), Audio: Intel Haswell-ULT HD Audio, Monitor: LQ133T1JW14, Network: Intel Wireless 7260

	OS: Ubuntu 15.04, Kernel: 3.19.0-031900-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.2.901 (1.16.3 RC 1), Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 10.5.2, Compiler: GCC 4.9.2, File-System: ext4, Screen Resolution: 2560x1440


PostMark 1.51
Disk Transaction Performance
TPS > Higher Is Better
Linux 4.1 Git . 5515 |========================================================
Linux 4.0 ..... 5639 |=========================================================
Linux 3.19 .... 5555 |========================================================


PostMark 1.51
System Power Consumption Monitor
Milliwatts < Lower Is Better
Linux 4.1 Git . MIN: 10977  AVG: 21722  MAX: 23565 
Linux 4.0 ..... MIN: 11577  AVG: 23306  MAX: 25407 
Linux 3.19 .... MIN: 12698  AVG: 24440  MAX: 26695 


Xonotic 0.8
Resolution: 1920 x 1080 - Effects Quality: High
Frames Per Second > Higher Is Better
Linux 4.1 Git . 41.39 |========================================================
Linux 4.0 ..... 38.54 |====================================================
Linux 3.19 .... 37.39 |===================================================


Xonotic 0.8
System Power Consumption Monitor
Milliwatts < Lower Is Better
Linux 4.1 Git . MIN: 10844  AVG: 40780  MAX: 46697 
Linux 4.0 ..... MIN: 12776  AVG: 40650  MAX: 45521 
Linux 3.19 .... MIN: 13175  AVG: 41047  MAX: 45732 


LAME MP3 Encoding 3.99.3
WAV To MP3
Seconds < Lower Is Better
Linux 4.1 Git . 13.01 |========================================================
Linux 4.0 ..... 13.02 |========================================================
Linux 3.19 .... 12.99 |========================================================


LAME MP3 Encoding 3.99.3
System Power Consumption Monitor
Milliwatts < Lower Is Better
Linux 4.1 Git . MIN: 11544  AVG: 20120  MAX: 23876 
Linux 4.0 ..... MIN: 12509  AVG: 21597  MAX: 25185 
Linux 3.19 .... MIN: 9423   AVG: 18681  MAX: 22466 


FFmpeg 2.6.2
H.264 HD To NTSC DV
Seconds < Lower Is Better
Linux 4.1 Git . 15.69 |========================================================
Linux 4.0 ..... 15.68 |========================================================
Linux 3.19 .... 15.69 |========================================================


FFmpeg 2.6.2
System Power Consumption Monitor
Milliwatts < Lower Is Better
Linux 4.1 Git . MIN: 11655  AVG: 26094  MAX: 35686 
Linux 4.0 ..... MIN: 12598  AVG: 27622  MAX: 37307 
Linux 3.19 .... MIN: 9468   AVG: 24178  MAX: 34765 


Timed Idle
System Power Consumption Monitor
Milliwatts < Lower Is Better
Linux 4.1 Git . MIN: 11333  AVG: 11405  MAX: 12132 
Linux 4.0 ..... MIN: 11544  AVG: 11646  MAX: 12087 
Linux 3.19 .... MIN: 12243  AVG: 12552  MAX: 22455 


System Power Consumption Monitor
Phoronix Test Suite System Monitoring
Milliwatts
Linux 4.1 Git . MIN: 10545  AVG: 30544  MAX: 46697 
Linux 4.0 ..... MIN: 11544  AVG: 31244  MAX: 45521 
Linux 3.19 .... MIN: 9257   AVG: 31421  MAX: 45732