Ubuntu 14.04 Disk Benchmarks
Disk encryption benchmarks by Michael Larabel for a future article on Phoronix.com...


Stock: 

	Processor: Intel Core i7-3517U @ 1.90GHz (4 Cores), Motherboard: ASUS UX32VDA v1.0, Chipset: Intel 3rd Gen Core DRAM, Memory: 4096MB, Disk: 2 x 128GB SanDisk SD5SF212, Graphics: Intel HD 4000 512MB (1150MHz), Audio: Realtek ALC269VB, Network: Intel Centrino Advanced-N 6235

	OS: Ubuntu 14.04, Kernel: 3.13.0-16-generic (x86_64), Desktop: Unity 7.1.2, Display Server: X Server 1.15.0, Display Driver: intel 2.99.910, OpenGL: 3.3 Mesa 10.1.0-rc3, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1920x1080

Full-Disk Encryption: 

	Processor: Intel Core i7-3517U @ 1.90GHz (4 Cores), Motherboard: ASUS UX32VDA v1.0, Chipset: Intel 3rd Gen Core DRAM, Memory: 4096MB, Disk: 2 x 128GB SanDisk SD5SF212, Graphics: Intel HD 4000 512MB (1150MHz), Audio: Realtek ALC269VB, Network: Intel Centrino Advanced-N 6235

	OS: Ubuntu 14.04, Kernel: 3.13.0-16-generic (x86_64), Desktop: Unity 7.1.2, Display Server: X Server 1.15.0, Display Driver: intel 2.99.910, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1920x1080


PostMark 1.51
Disk Transaction Performance
TPS > Higher Is Better
Stock ................ 1789 |==================================================
Full-Disk Encryption . 1376 |======================================


PostMark 1.51
CPU Usage Monitor
Percent < Lower Is Better
Stock ................ MIN: 0.3  AVG: 16.2  MAX: 21.8 
Full-Disk Encryption . MIN: 2.0  AVG: 25.5  MAX: 39.0 


Timed Linux Kernel Compilation 3.1
Time To Compile
Seconds < Lower Is Better
Stock ................ 238.41 |===============================================
Full-Disk Encryption . 242.78 |================================================


Timed Linux Kernel Compilation 3.1
CPU Usage Monitor
Percent < Lower Is Better
Stock ................ MIN: 1  AVG: 95   MAX: 100 
Full-Disk Encryption . MIN: 2  AVG: 95   MAX: 100 


Timed Apache Compilation 2.4.7
Time To Compile
Seconds < Lower Is Better
Stock ................ 64.22 |================================================
Full-Disk Encryption . 64.95 |=================================================


Timed Apache Compilation 2.4.7
CPU Usage Monitor
Percent < Lower Is Better
Stock ................ MIN: 1  AVG: 63   MAX: 100 
Full-Disk Encryption . MIN: 2  AVG: 65   MAX: 100 


FS-Mark 3.3
Test: 1000 Files, 1MB Size
Files/s > Higher Is Better
Stock ................ 50.73 |=================================================
Full-Disk Encryption . 47.73 |==============================================


FS-Mark 3.3
CPU Usage Monitor
Percent < Lower Is Better
Stock ................ MIN: 0.3  AVG: 6.5   MAX: 7.4 
Full-Disk Encryption . MIN: 2.5  AVG: 11.5  MAX: 13.8 


FS-Mark 3.3
Test: 5000 Files, 1MB Size, 4 Threads
Files/s > Higher Is Better
Stock ................ 134.27 |================================================
Full-Disk Encryption . 132.20 |===============================================


FS-Mark 3.3
CPU Usage Monitor
Percent < Lower Is Better
Stock ................ MIN: 0.3  AVG: 13.1  MAX: 41.3 
Full-Disk Encryption . MIN: 2.3  AVG: 23.6  MAX: 46.3 


FS-Mark 3.3
Test: 4000 Files, 32 Sub Dirs, 1MB Size
Files/s > Higher Is Better
Stock ................ 50.60 |=================================================
Full-Disk Encryption . 47.53 |==============================================


FS-Mark 3.3
CPU Usage Monitor
Percent < Lower Is Better
Stock ................ MIN: 6.2  AVG: 7.5   MAX: 14.7 
Full-Disk Encryption . MIN: 2.3  AVG: 12.1  MAX: 13.8 


Dbench 4.0
Client Count: 1
MB/s > Higher Is Better
Stock ................ 91.86 |=================================================
Full-Disk Encryption . 90.77 |================================================


Dbench 4.0
CPU Usage Monitor
Percent < Lower Is Better
Stock ................ MIN: 0.3  AVG: 12.0  MAX: 17.2 
Full-Disk Encryption . MIN: 2.3  AVG: 14.4  MAX: 22.5 


Compile Bench 0.6
Test: Initial Create
MB/s > Higher Is Better
Stock ................ 172.27 |================================================
Full-Disk Encryption . 165.59 |==============================================


Compile Bench 0.6
CPU Usage Monitor
Percent < Lower Is Better
Stock ................ MIN: 0.3  AVG: 18.6  MAX: 34.2 
Full-Disk Encryption . MIN: 2.0  AVG: 33.6  MAX: 73.6 


Compile Bench 0.6
Test: Compile
MB/s > Higher Is Better
Stock ................ 221.47 |================================================
Full-Disk Encryption . 219.43 |================================================


Compile Bench 0.6
Test: Read Compiled Tree
MB/s > Higher Is Better
Stock ................ 584.51 |================================================
Full-Disk Encryption . 554.63 |==============================================


CPU Usage Monitor
Phoronix Test Suite System Monitoring
Percent
Stock ................ MIN: 0  AVG: 27   MAX: 100 
Full-Disk Encryption . MIN: 1  AVG: 32   MAX: 100