4kio

KVM testing on Ubuntu 16.04 via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/1903019-SP-4KIO2872341.

4kioProcessorMotherboardChipsetMemoryDiskGraphicsNetworkOSKernelCompilerFile-SystemScreen ResolutionSystem Layer4k_io_subsystemIntel Core - Red Hat QXL paravirtual graphic card -Intel Core (4 Cores / 8 Threads)Red Hat KVM (0.5.1 BIOS)Intel 440FX 82441FX PMC1 x 8192 MB RAM189GBRed Hat QXL paravirtual graphic cardRed Hat Virtio deviceUbuntu 16.044.4.0-142-generic (x86_64)GCC 5.4.0 20160609ext41024x768KVMOpenBenchmarking.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 Mount Options Details- data=ordered,errors=remount-ro,relatime,rwSecurity Details- KPTI + __user pointer sanitization + Full generic retpoline + PTE Inversion

4kiofio: Rand Write - Sync - No - No - 4KB - Default Test Directoryfio: Rand Write - Sync - No - Yes - 4KB - Default Test Directory4k_io_subsystemIntel Core - Red Hat QXL paravirtual graphic card -22.633.09OpenBenchmarking.org

Flexible IO Tester

Type: Random Write - IO Engine: Sync - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.1Type: Random Write - IO Engine: Sync - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory4k_io_subsystem510152025SE +/- 0.33, N = 1222.631. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -lrt -laio -lm -lpthread -ldl

Flexible IO Tester

Type: Random Write - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.1Type: Random Write - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test DirectoryIntel Core - Red Hat QXL paravirtual graphic card -0.69531.39062.08592.78123.4765SE +/- 0.06, N = 103.091. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -lrt -laio -lm -lpthread -ldl

Phoronix Test Suite v10.8.4