Encryption Overhead
Disk IO with Full Disk Encryption


Stock: 

	Processor: Intel Core i7-3632QM @ 2.20GHz (2 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 4096MB, Disk: 32GB VMware Virtual S, Graphics: VMware SVGA II, Audio: Ensoniq ES1371 / Creative, Network: Intel 82545EM Gigabit

	OS: Ubuntu 16.04, Kernel: 4.4.0-45-generic (x86_64), Desktop: Unity 7.4.0, Display Server: X Server 1.18.3, Display Driver: vmware 13.1.0, OpenGL: 2.1 Mesa 11.2.0 Gallium 0.4, Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1366x768, System Layer: VMware

Full Disk Encryption: 

	Processor: Intel Core i7-3632QM @ 2.20GHz (2 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 4096MB, Disk: 21GB VMware Virtual S, Graphics: VMware SVGA II, Audio: Ensoniq ES1371 / Creative, Network: Intel 82545EM Gigabit

	OS: Ubuntu 16.04, Kernel: 4.4.0-31-generic (x86_64), Desktop: Unity 7.4.0, Display Server: X Server 1.18.3, Display Driver: vmware 13.1.0, Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1366x768, System Layer: VMware


IOzone 3.405
Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance
MB/s > Higher Is Better
Stock ................ 64.13 |=================================================
Full Disk Encryption . 44.24 |==================================


IOzone 3.405
Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance
MB/s > Higher Is Better
Stock ................ 5164.48 |===============================================
Full Disk Encryption . 5072.18 |==============================================