sync-standard-vs-disabled

KVM testing on Debian 8.7 via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/1704132-RI-SYNCSTAND51.

sync-standard-vs-disabledProcessorMotherboardChipsetMemoryDiskGraphicsNetworkOSKernelCompilerFile-SystemSystem Layertest-kvm-sync-disabledtest-kvm-sync-standardtest-kvm-sync-alwaystest-kvm-sync-disabled2Common KVM @ 2.40GHz (2 Cores)QEMU Standard PC (i440FX + PIIX 1996)Intel 440FX- 82441FX PMC2048MB32GBCirrus Logic GD 5446Red Hat Virtio deviceDebian 8.73.16.0-4-amd64 (x86_64)GCC 4.9.2ext4KVMOpenBenchmarking.orgCompiler Details- --build=x86_64-linux-gnu --disable-browser-plugin --disable-vtable-verify --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --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=i586 --with-arch-directory=amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v Disk Details- none / data=ordered,errors=remount-ro,relatime,rw

sync-standard-vs-disabledsqlite: Default Test Directorytiobench: Rand Read - 64MB - 32tiobench: Rand Write - 64MB - 32apache: Static Web Page Servingtest-kvm-sync-disabledtest-kvm-sync-standardtest-kvm-sync-alwaystest-kvm-sync-disabled210.18839.13185.266176.051582.05817.150.516243.432057.88621.030.535940.618.67872.50183.056128.99OpenBenchmarking.org

SQLite

Test Target: Default Test Directory

OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.8.10.2Test Target: Default Test Directorytest-kvm-sync-disabledtest-kvm-sync-standardtest-kvm-sync-alwaystest-kvm-sync-disabled2400800120016002000SE +/- 0.53, N = 6SE +/- 62.92, N = 6SE +/- 26.39, N = 3SE +/- 0.44, N = 610.181582.052057.888.671. (CC) gcc options: -O2 -ldl -lpthread

Threaded I/O Tester

Test: Random Read - Size Per Thread: 64MB - Thread Count: 32

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Read - Size Per Thread: 64MB - Thread Count: 32test-kvm-sync-disabledtest-kvm-sync-standardtest-kvm-sync-alwaystest-kvm-sync-disabled22004006008001000SE +/- 28.44, N = 6SE +/- 25.25, N = 3SE +/- 174.97, N = 3SE +/- 29.40, N = 6839.13817.15621.03872.50

Threaded I/O Tester

Test: Random Write - Size Per Thread: 64MB - Thread Count: 32

OpenBenchmarking.orgMB/s, More Is BetterThreaded I/O Tester 0.3.3Test: Random Write - Size Per Thread: 64MB - Thread Count: 32test-kvm-sync-disabledtest-kvm-sync-standardtest-kvm-sync-alwaystest-kvm-sync-disabled24080120160200SE +/- 4.61, N = 6SE +/- 0.04, N = 3SE +/- 0.02, N = 3SE +/- 2.85, N = 5185.260.510.53183.05

Apache Benchmark

Static Web Page Serving

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.7Static Web Page Servingtest-kvm-sync-disabledtest-kvm-sync-standardtest-kvm-sync-alwaystest-kvm-sync-disabled213002600390052006500SE +/- 20.92, N = 3SE +/- 5.06, N = 3SE +/- 29.96, N = 3SE +/- 48.15, N = 36176.056243.435940.616128.991. (CC) gcc options: -shared -fPIC -O2 -pthread

Phoronix Test Suite v10.8.4