dd

KVM testing on Ubuntu 17.10 via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/1807028-FO-DD040875035.

ddProcessorMotherboardChipsetMemoryDiskGraphicsNetworkOSKernelDesktopDisplay DriverCompilerFile-SystemScreen ResolutionSystem LayerQEMU HDDIntel Core i7-6770HQ @ 2.59GHz (2 Cores / 4 Threads)QEMU Standard PC (i440FX + PIIX 1996) (Ubuntu-1.8.2-1ubuntu1 BIOS)Intel 440FX- 82441FX PMC2048MB107GB QEMU HDDEFI VGAIntel 82540EM GigabitUbuntu 17.104.13.0-21-generic (x86_64)GNOME Shell 3.26.2modesetting 1.19.5GCC 7.2.0ext4800x600KVMOpenBenchmarking.org- --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --enable-libmpx --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib --with-tune=generic --without-cuda-driver -v - CFQ / data=ordered,errors=remount-ro,relatime,rw

ddfio: Seq Read - Linux AIO - Yes - No - 4KB - Default Test DirectoryStandard ErrorStandard DeviationQEMU HDD22789.170.70%OpenBenchmarking.org

Flexible IO Tester

Type: Sequential Read - IO Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.1Type: Sequential Read - IO Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryQEMU HDD5001000150020002500SE +/- 9.17, N = 322781. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -lrt -laio -lm -lpthread -ldl

Flexible IO Tester

Type: Sequential Read - IO Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.1Type: Sequential Read - IO Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryQEMU HDD120K240K360K480K600KSE +/- 2185.81, N = 35833331. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -lrt -laio -lm -lpthread -ldl

Phoronix Test Suite v10.8.4