Encryption Overhead

Disk IO with Full Disk Encryption

HTML result view exported from: https://openbenchmarking.org/result/1610252-KH-1610239KH27.

Encryption OverheadProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionSystem LayerStockFull Disk EncryptionIntel Core i7-3632QM @ 2.20GHz (2 Cores)Intel 440BXIntel 440BX/ZX/DX4096MB32GB VMware Virtual SVMware SVGA IIEnsoniq ES1371 / CreativeIntel 82545EM GigabitUbuntu 16.044.4.0-45-generic (x86_64)Unity 7.4.0X Server 1.18.3vmware 13.1.02.1 Mesa 11.2.0 Gallium 0.4GCC 5.4.0 20160609ext41366x768VMware21GB VMware Virtual S4.4.0-31-generic (x86_64)OpenBenchmarking.orgCompiler Details- --build=x86_64-linux-gnu --disable-browser-plugin --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --enable-libmpx --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-arch-directory=amd64 --with-default-libstdcxx-abi=new --with-multilib-list=m32,m64,mx32 --with-tune=generic -v Disk Details- DEADLINE / data=ordered,errors=remount-ro,relatime,rwSystem Details- Disk Scheduler: DEADLINE.

Encryption Overheadiozone: 64Kb - 2GB - Read Performanceiozone: 64Kb - 2GB - Write PerformanceStockFull Disk Encryption5164.4864.135072.1844.24OpenBenchmarking.org

IOzone

Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance

OpenBenchmarking.orgMB/s, More Is BetterIOzone 3.405Record Size: 64Kb - File Size: 2GB - Disk Test: Read PerformanceStockFull Disk Encryption11002200330044005500SE +/- 409.43, N = 6SE +/- 634.75, N = 65164.485072.181. (CC) gcc options: -O3

IOzone

Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance

OpenBenchmarking.orgMB/s, More Is BetterIOzone 3.405Record Size: 64Kb - File Size: 2GB - Disk Test: Write PerformanceStockFull Disk Encryption1428425670SE +/- 4.78, N = 6SE +/- 6.30, N = 664.1344.241. (CC) gcc options: -O3

Phoronix Test Suite v10.8.4