Windows Server 2016 VA vs. Ubuntu 18.04 LTS Mitigations vs. Clear Linux

Spectre and Meltdown mitigation tests on Windows and Linux. Tests for a future article on Phoronix.

HTML result view exported from: https://openbenchmarking.org/result/1803315-AR-MITIGATIO49.

Windows Server 2016 VA vs. Ubuntu 18.04 LTS Mitigations vs. Clear LinuxProcessorMotherboardMemoryDiskGraphicsNetworkChipsetAudioMonitorOSKernelDisplay DriverFile-SystemScreen ResolutionDesktopOpenGLCompilerVulkanWindows Server - No MitigationsWindows Server - VA ShadowUbuntu - MitigatedUbuntu - noptiUbuntu - nopti + spectre_v2=offUbuntu + 4.16Ubuntu + 4.16 - noptiUbuntu + 4.16 - nopti + spectre_v2=offClear LinuxClear Linux - noptiClear Linux - nopti + spectre_v2=offIntel Xeon E3-1280 v5 @ 3.70GHz (4 Cores / 8 Threads)MSI Z170A SLI PLUS (MS-7998)2 x 8192 MB 2133MHz Micron 9ASF1G72AZ-2G3A1238GB TOSHIBA-RD400Microsoft Basic DisplayASIX AX88772B USB2.0 to Fast + Microsoft ISATAPMicrosoft Windows Server 2016 Essentials Build 1439310.0 (x86_64)10.0.14393.0NTFS1024x768Intel Xeon E3-1280 v5 @ 4.00GHz (4 Cores / 8 Threads)MSI Z170A SLI PLUS (MS-7998) v1.0 (2.90 BIOS)Intel Skylake16384MB256GB TOSHIBA-RD400Sapphire AMD Radeon 4096MBRealtek ALC1150Acer B286HKIntel ConnectionUbuntu 18.044.15.0-13-generic (x86_64)GNOME Shell 3.28.0modesetting 1.19.64.5 Mesa 18.0.0-rc5 (LLVM 6.0.0)GCC 7.3.0ext43840x21604.16.0-999-generic (x86_64) 20180328llvmpipe 16000MB3.3 Mesa 18.0.0-rc5 (LLVM 6.0 256 bits)1024x768Sapphire AMD Radeon 4096MBAcer B286HK4.5 Mesa 18.0.0-rc5 (LLVM 6.0.0)3840x2160Intel Xeon E3-1200 v5/E3-15002 x 8192 MB DDR4-2133MT/s16GB Voyager 3.0 + 256GB TOSHIBA-RD400Sapphire AMD Radeon RX 470/480/570/580 4096MBClear Linux OS 215704.15.14-538.native (x86_64)1.0.39GCC 7.3.0 + Clang 6.0.0 + LLVM 6.0.0OpenBenchmarking.orgPython Details- Windows Server - No Mitigations: Python 2.7.14- Windows Server - VA Shadow: Python 2.7.14- Ubuntu - Mitigated: Python 2.7.14+ + Python 3.6.5rc1- Ubuntu - nopti: Python 2.7.14+ + Python 3.6.5rc1- Ubuntu - nopti + spectre_v2=off: Python 2.7.14+ + Python 3.6.5rc1- Ubuntu + 4.16: Python 2.7.14+ + Python 3.6.5rc1- Ubuntu + 4.16 - nopti: Python 2.7.14+ + Python 3.6.5rc1- Ubuntu + 4.16 - nopti + spectre_v2=off: Python 2.7.14+ + Python 3.6.5rc1- Clear Linux: Python 3.6.4- Clear Linux - nopti: Python 3.6.4- Clear Linux - nopti + spectre_v2=off: Python 3.6.4Compiler Details- Ubuntu - Mitigated: --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 - Ubuntu - nopti: --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 - Ubuntu - nopti + spectre_v2=off: --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 - Ubuntu + 4.16: --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 - Ubuntu + 4.16 - nopti: --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 - Ubuntu + 4.16 - nopti + spectre_v2=off: --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 - Clear Linux: --build=x86_64-generic-linux --disable-libmpx --disable-libunwind-exceptions --disable-multiarch --disable-vtable-verify --enable-__cxa_atexit --enable-bootstrap --enable-clocale=gnu --enable-gnu-indirect-function --enable-languages=c,c++,fortran,go --enable-ld=default --enable-libstdcxx-pch --enable-lto --enable-multilib --enable-plugin --enable-shared --enable-threads=posix --exec-prefix=/usr --includedir=/usr/include --target=x86_64-generic-linux --with-arch=westmere --with-glibc-version=2.19 --with-gnu-ld --with-isl --with-ppl=yes --with-tune=haswell - Clear Linux - nopti: --build=x86_64-generic-linux --disable-libmpx --disable-libunwind-exceptions --disable-multiarch --disable-vtable-verify --enable-__cxa_atexit --enable-bootstrap --enable-clocale=gnu --enable-gnu-indirect-function --enable-languages=c,c++,fortran,go --enable-ld=default --enable-libstdcxx-pch --enable-lto --enable-multilib --enable-plugin --enable-shared --enable-threads=posix --exec-prefix=/usr --includedir=/usr/include --target=x86_64-generic-linux --with-arch=westmere --with-glibc-version=2.19 --with-gnu-ld --with-isl --with-ppl=yes --with-tune=haswell - Clear Linux - nopti + spectre_v2=off: --build=x86_64-generic-linux --disable-libmpx --disable-libunwind-exceptions --disable-multiarch --disable-vtable-verify --enable-__cxa_atexit --enable-bootstrap --enable-clocale=gnu --enable-gnu-indirect-function --enable-languages=c,c++,fortran,go --enable-ld=default --enable-libstdcxx-pch --enable-lto --enable-multilib --enable-plugin --enable-shared --enable-threads=posix --exec-prefix=/usr --includedir=/usr/include --target=x86_64-generic-linux --with-arch=westmere --with-glibc-version=2.19 --with-gnu-ld --with-isl --with-ppl=yes --with-tune=haswell Disk Details- Ubuntu - Mitigated: NONE / data=ordered,errors=remount-ro,relatime,rw- Ubuntu - nopti: NONE / data=ordered,errors=remount-ro,relatime,rw- Ubuntu - nopti + spectre_v2=off: NONE / data=ordered,errors=remount-ro,relatime,rw- Ubuntu + 4.16: NONE / data=ordered,errors=remount-ro,relatime,rw- Ubuntu + 4.16 - nopti: NONE / data=ordered,errors=remount-ro,relatime,rw- Ubuntu + 4.16 - nopti + spectre_v2=off: NONE / data=ordered,errors=remount-ro,relatime,rw- Clear Linux: KYBER / data=ordered,relatime,rw,stripe=256- Clear Linux - nopti: KYBER / data=ordered,relatime,rw,stripe=256- Clear Linux - nopti + spectre_v2=off: KYBER / data=ordered,relatime,rw,stripe=256Processor Details- Ubuntu - Mitigated: Scaling Governor: intel_pstate powersave- Ubuntu - nopti: Scaling Governor: intel_pstate powersave- Ubuntu - nopti + spectre_v2=off: Scaling Governor: intel_pstate powersave- Ubuntu + 4.16: Scaling Governor: intel_pstate powersave- Ubuntu + 4.16 - nopti: Scaling Governor: intel_pstate powersave- Ubuntu + 4.16 - nopti + spectre_v2=off: Scaling Governor: intel_pstate powersave- Clear Linux: Scaling Governor: intel_pstate performance- Clear Linux - nopti: Scaling Governor: intel_pstate performance- Clear Linux - nopti + spectre_v2=off: Scaling Governor: intel_pstate performanceSecurity Details- Ubuntu - Mitigated: KPTI + __user pointer sanitization + Full generic retpoline Protection- Ubuntu - nopti: __user pointer sanitization + Full generic retpoline Protection- Ubuntu - nopti + spectre_v2=off: __user pointer sanitization Protection- Ubuntu + 4.16: KPTI + __user pointer sanitization + Full generic retpoline Protection- Ubuntu + 4.16 - nopti: __user pointer sanitization + Full generic retpoline Protection- Ubuntu + 4.16 - nopti + spectre_v2=off: __user pointer sanitization Protection- Clear Linux: KPTI + __user pointer sanitization + Full generic retpoline Protection- Clear Linux - nopti: __user pointer sanitization + Full generic retpoline Protection- Clear Linux - nopti + spectre_v2=off: __user pointer sanitization ProtectionEnvironment Details- Clear Linux, Clear Linux - nopti, Clear Linux - nopti + spectre_v2=off: CFFLAGS=-g-O3-feliminate-unused-debug-types-pipe-Wall-Wp-D_FORTIFY_SOURCE=2-fexceptions-fstack-protector--param=ssp-buffer-size=32-Wl--copy-dt-needed-entries-m64-fasynchronous-unwind-tables-Wp-D_REENTRANT-ftree-loop-distribute-patterns-Wl-z-Wl now-Wl-z-Wl relro-malign-data=abi-fno-semantic-interposition-ftree-vectorize-ftree-loop-vectorize-Wl-sort-common CFLAGS=-g-O3-feliminate-unused-debug-types-pipe-Wall-Wp-D_FORTIFY_SOURCE=2-fexceptions-fstack-protector--param=ssp-buffer-size=32-Wformat-Wformat-security-Wl--copy-dt-needed-entries-m64-fasynchronous-unwind-tables-Wp-D_REENTRANT-ftree-loop-distribute-patterns-Wl-z-Wl now-Wl-z-Wl relro-fno-semantic-interposition-ffat-lto-objects-fno-signed-zeros-fno-trapping-math-fassociative-math-Wl-sort-common CXXFLAGS=-g-O3-feliminate-unused-debug-types-pipe-Wall-Wp-D_FORTIFY_SOURCE=2-fexceptions-fstack-protector--param=ssp-buffer-size=32-Wformat-Wformat-security-Wl--copy-dt-needed-entries-m64-fasynchronous-unwind-tables-Wp-D_REENTRANT-ftree-loop-distribute-patterns-Wl-z-Wl now-Wl-z-Wl relro-fno-semantic-interposition-ffat-lto-objects-fno-signed-zeros-fno-trapping-math-fassociative-math-Wl-sort-common-fvisibility-inlines-hidden FFLAGS=-g-O3-feliminate-unused-debug-types-pipe-Wall-Wp-D_FORTIFY_SOURCE=2-fexceptions-fstack-protector--param=ssp-buffer-size=32-Wl--copy-dt-needed-entries-m64-fasynchronous-unwind-tables-Wp-D_REENTRANT-ftree-loop-distribute-patterns-Wl-z-Wl now-Wl-z-Wl relro-malign-data=abi-fno-semantic-interposition-ftree-vectorize-ftree-loop-vectorize THEANO_FLAGS=floatX=float32 openmp=true gcc.cxxflags="-ftree-vectorize-mavx"

Windows Server 2016 VA vs. Ubuntu 18.04 LTS Mitigations vs. Clear Linuxsqlite: Timed SQLite Insertionsiozone: 4Kb - 8GB - Write Performancejava-scimark2: Compositejava-scimark2: Monte Carlojava-scimark2: Fast Fourier Transformjava-scimark2: Sparse Matrix Multiplyjava-scimark2: Dense LU Matrix Factorizationjava-scimark2: Jacobi Successive Over-Relaxationcachebench: Readcachebench: Writecachebench: Read / Modify / Writeebizzy: build-llvm: Time To Compilegimp: resizegimp: auto-levelsgimp: unsharp-maskpybench: Total For Average Test Timesphpbench: PHP Benchmark Suiteosbench: Create Filesosbench: Launch Programsosbench: Memory Allocationsgimp: resizegimp: auto-levelsgimp: unsharp-maskWindows Server - No MitigationsWindows Server - VA ShadowUbuntu - MitigatedUbuntu - noptiUbuntu - nopti + spectre_v2=offUbuntu + 4.16Ubuntu + 4.16 - noptiUbuntu + 4.16 - nopti + spectre_v2=offClear LinuxClear Linux - noptiClear Linux - nopti + spectre_v2=off108.31559.592469.16981.591589.152286.305942.701546.067577.0628034.5345636.525359929.7112.4914.5720.651395335634248.63494.2175.67114.04549.442247.28895.751475.702098.075351.161415.717095.3626327.8142855.854768934.8412.3914.8221.301480317611266.72523.8183.4571.831018.522433.57973.041512.162269.935974.441438.303331.0427691.7928912.57271051741.02128964577813.5540.2976.3066.57796.152470.79983.511536.052293.986086.791453.623347.0927992.6029269.20260938735.34129064788012.8037.0572.5876.25889.232428.62969.731542.492136.406050.751443.713361.6227073.3928987.52256322734.00128664529311.2536.6172.552.745.339.9374.53866.192462.89980.151510.992290.976094.481437.853349.4828015.9429447.19261753739.77128764001313.3039.8375.093.065.7810.8364.23823.602477.61983.511531.462292.726130.971449.413349.2427374.1628703.97257575736.10128765230612.4037.2472.462.855.4010.0363.85905.012473.76983.171512.962292.476125.331454.863370.8527660.0129291.52276381735.33128464598711.0336.7672.382.755.379.9362.191074.592482.56982.831526.132291.726160.121451.983802.6627488.9345105.4925739310568094302.965.8911.1465.651033.702480.51982.831565.002267.336134.611452.803803.1827907.5645014.8426394810558068732.765.6610.7161.531035.272455.08982.941528.152291.226020.551452.523801.8927912.6645805.6025312710588037832.695.5410.46OpenBenchmarking.org

SQLite

Timed SQLite Insertions

OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.22Timed SQLite InsertionsWindows Server - No MitigationsWindows Server - VA ShadowUbuntu - MitigatedUbuntu - noptiUbuntu - nopti + spectre_v2=offUbuntu + 4.16Ubuntu + 4.16 - noptiUbuntu + 4.16 - nopti + spectre_v2=offClear LinuxClear Linux - noptiClear Linux - nopti + spectre_v2=off306090120150SE +/- 0.41, N = 3SE +/- 0.26, N = 3SE +/- 0.77, N = 3SE +/- 0.11, N = 3SE +/- 0.13, N = 3SE +/- 0.07, N = 3SE +/- 0.33, N = 3SE +/- 0.15, N = 3SE +/- 0.22, N = 3SE +/- 0.18, N = 3SE +/- 0.10, N = 3108.31114.0471.8366.5776.2574.5364.2363.8562.1965.6561.53-O2-O2-O2-O2-O2-O2-O3 -pipe -fexceptions -fstack-protector -m64 -ffat-lto-objects -fno-signed-zeros -fno-trapping-math -fassociative-math -lz-O3 -pipe -fexceptions -fstack-protector -m64 -ffat-lto-objects -fno-signed-zeros -fno-trapping-math -fassociative-math -lz-O3 -pipe -fexceptions -fstack-protector -m64 -ffat-lto-objects -fno-signed-zeros -fno-trapping-math -fassociative-math -lz1. (CC) gcc options: -ldl -lpthread

IOzone

Record Size: 4Kb - File Size: 8GB - Disk Test: Write Performance

OpenBenchmarking.orgMB/s, More Is BetterIOzone 3.465Record Size: 4Kb - File Size: 8GB - Disk Test: Write PerformanceWindows Server - No MitigationsWindows Server - VA ShadowUbuntu - MitigatedUbuntu - noptiUbuntu - nopti + spectre_v2=offUbuntu + 4.16Ubuntu + 4.16 - noptiUbuntu + 4.16 - nopti + spectre_v2=offClear LinuxClear Linux - noptiClear Linux - nopti + spectre_v2=off2004006008001000SE +/- 18.71, N = 6SE +/- 9.05, N = 4SE +/- 2.90, N = 3SE +/- 11.30, N = 3SE +/- 4.91, N = 3SE +/- 12.00, N = 3SE +/- 1.04, N = 3SE +/- 0.72, N = 3SE +/- 5.63, N = 3SE +/- 7.19, N = 3SE +/- 6.29, N = 3559.59549.441018.52796.15889.23866.19823.60905.011074.591033.701035.271. (CC) gcc options: -O3

Java SciMark

Computational Test: Composite

OpenBenchmarking.orgMflops, More Is BetterJava SciMark 2.0Computational Test: CompositeWindows Server - No MitigationsWindows Server - VA ShadowUbuntu - MitigatedUbuntu - noptiUbuntu - nopti + spectre_v2=offUbuntu + 4.16Ubuntu + 4.16 - noptiUbuntu + 4.16 - nopti + spectre_v2=offClear LinuxClear Linux - noptiClear Linux - nopti + spectre_v2=off5001000150020002500SE +/- 6.82, N = 4SE +/- 2.64, N = 4SE +/- 2.55, N = 4SE +/- 12.77, N = 4SE +/- 39.48, N = 4SE +/- 9.65, N = 4SE +/- 7.35, N = 4SE +/- 8.13, N = 4SE +/- 8.94, N = 4SE +/- 5.75, N = 4SE +/- 3.07, N = 42469.162247.282433.572470.792428.622462.892477.612473.762482.562480.512455.08

Java SciMark

Computational Test: Monte Carlo

OpenBenchmarking.orgMflops, More Is BetterJava SciMark 2.0Computational Test: Monte CarloWindows Server - No MitigationsWindows Server - VA ShadowUbuntu - MitigatedUbuntu - noptiUbuntu - nopti + spectre_v2=offUbuntu + 4.16Ubuntu + 4.16 - noptiUbuntu + 4.16 - nopti + spectre_v2=offClear LinuxClear Linux - noptiClear Linux - nopti + spectre_v2=off2004006008001000SE +/- 0.11, N = 4SE +/- 3.23, N = 4SE +/- 1.82, N = 4SE +/- 0.13, N = 4SE +/- 11.61, N = 4SE +/- 2.11, N = 4SE +/- 0.23, N = 4SE +/- 0.34, N = 4SE +/- 0.18, N = 4SE +/- 0.18, N = 4SE +/- 0.11, N = 4981.59895.75973.04983.51969.73980.15983.51983.17982.83982.83982.94

Java SciMark

Computational Test: Fast Fourier Transform

OpenBenchmarking.orgMflops, More Is BetterJava SciMark 2.0Computational Test: Fast Fourier TransformWindows Server - No MitigationsWindows Server - VA ShadowUbuntu - MitigatedUbuntu - noptiUbuntu - nopti + spectre_v2=offUbuntu + 4.16Ubuntu + 4.16 - noptiUbuntu + 4.16 - nopti + spectre_v2=offClear LinuxClear Linux - noptiClear Linux - nopti + spectre_v2=off30060090012001500SE +/- 10.97, N = 4SE +/- 3.62, N = 4SE +/- 3.66, N = 4SE +/- 22.48, N = 4SE +/- 20.28, N = 4SE +/- 2.27, N = 4SE +/- 6.57, N = 4SE +/- 9.53, N = 4SE +/- 7.54, N = 4SE +/- 15.96, N = 4SE +/- 8.06, N = 41589.151475.701512.161536.051542.491510.991531.461512.961526.131565.001528.15

Java SciMark

Computational Test: Sparse Matrix Multiply

OpenBenchmarking.orgMflops, More Is BetterJava SciMark 2.0Computational Test: Sparse Matrix MultiplyWindows Server - No MitigationsWindows Server - VA ShadowUbuntu - MitigatedUbuntu - noptiUbuntu - nopti + spectre_v2=offUbuntu + 4.16Ubuntu + 4.16 - noptiUbuntu + 4.16 - nopti + spectre_v2=offClear LinuxClear Linux - noptiClear Linux - nopti + spectre_v2=off5001000150020002500SE +/- 7.49, N = 4SE +/- 7.37, N = 4SE +/- 5.20, N = 4SE +/- 0.29, N = 4SE +/- 145.51, N = 4SE +/- 1.26, N = 4SE +/- 0.63, N = 4SE +/- 1.73, N = 4SE +/- 0.25, N = 4SE +/- 25.48, N = 4SE +/- 1.60, N = 42286.302098.072269.932293.982136.402290.972292.722292.472291.722267.332291.22

Java SciMark

Computational Test: Dense LU Matrix Factorization

OpenBenchmarking.orgMflops, More Is BetterJava SciMark 2.0Computational Test: Dense LU Matrix FactorizationWindows Server - No MitigationsWindows Server - VA ShadowUbuntu - MitigatedUbuntu - noptiUbuntu - nopti + spectre_v2=offUbuntu + 4.16Ubuntu + 4.16 - noptiUbuntu + 4.16 - nopti + spectre_v2=offClear LinuxClear Linux - noptiClear Linux - nopti + spectre_v2=off13002600390052006500SE +/- 40.09, N = 4SE +/- 18.47, N = 4SE +/- 10.80, N = 4SE +/- 42.66, N = 4SE +/- 55.23, N = 4SE +/- 52.51, N = 4SE +/- 36.64, N = 4SE +/- 46.04, N = 4SE +/- 51.38, N = 4SE +/- 41.91, N = 4SE +/- 11.32, N = 45942.705351.165974.446086.796050.756094.486130.976125.336160.126134.616020.55

Java SciMark

Computational Test: Jacobi Successive Over-Relaxation

OpenBenchmarking.orgMflops, More Is BetterJava SciMark 2.0Computational Test: Jacobi Successive Over-RelaxationWindows Server - No MitigationsWindows Server - VA ShadowUbuntu - MitigatedUbuntu - noptiUbuntu - nopti + spectre_v2=offUbuntu + 4.16Ubuntu + 4.16 - noptiUbuntu + 4.16 - nopti + spectre_v2=offClear LinuxClear Linux - noptiClear Linux - nopti + spectre_v2=off30060090012001500SE +/- 2.78, N = 4SE +/- 1.84, N = 4SE +/- 1.41, N = 4SE +/- 0.52, N = 4SE +/- 3.58, N = 4SE +/- 6.71, N = 4SE +/- 3.80, N = 4SE +/- 0.50, N = 4SE +/- 0.26, N = 4SE +/- 0.41, N = 4SE +/- 0.26, N = 41546.061415.711438.301453.621443.711437.851449.411454.861451.981452.801452.52

CacheBench

Test: Read

OpenBenchmarking.orgMB/s, More Is BetterCacheBenchTest: ReadWindows Server - No MitigationsWindows Server - VA ShadowUbuntu - MitigatedUbuntu - noptiUbuntu - nopti + spectre_v2=offUbuntu + 4.16Ubuntu + 4.16 - noptiUbuntu + 4.16 - nopti + spectre_v2=offClear LinuxClear Linux - noptiClear Linux - nopti + spectre_v2=off16003200480064008000SE +/- 0.27, N = 3SE +/- 22.34, N = 3SE +/- 9.87, N = 3SE +/- 24.00, N = 3SE +/- 3.50, N = 3SE +/- 6.09, N = 3SE +/- 25.23, N = 3SE +/- 1.11, N = 3SE +/- 0.03, N = 3SE +/- 0.07, N = 3SE +/- 1.57, N = 37577.067095.363331.043347.093361.623349.483349.243370.853802.663803.183801.891. (CC) gcc options: -lrt

CacheBench

Test: Write

OpenBenchmarking.orgMB/s, More Is BetterCacheBenchTest: WriteWindows Server - No MitigationsWindows Server - VA ShadowUbuntu - MitigatedUbuntu - noptiUbuntu - nopti + spectre_v2=offUbuntu + 4.16Ubuntu + 4.16 - noptiUbuntu + 4.16 - nopti + spectre_v2=offClear LinuxClear Linux - noptiClear Linux - nopti + spectre_v2=off6K12K18K24K30KSE +/- 1.50, N = 3SE +/- 11.91, N = 3SE +/- 33.86, N = 3SE +/- 274.58, N = 3SE +/- 273.21, N = 3SE +/- 268.56, N = 3SE +/- 213.11, N = 3SE +/- 360.65, N = 3SE +/- 421.21, N = 3SE +/- 14.45, N = 3SE +/- 5.50, N = 328034.5326327.8127691.7927992.6027073.3928015.9427374.1627660.0127488.9327907.5627912.661. (CC) gcc options: -lrt

CacheBench

Test: Read / Modify / Write

OpenBenchmarking.orgMB/s, More Is BetterCacheBenchTest: Read / Modify / WriteWindows Server - No MitigationsWindows Server - VA ShadowUbuntu - MitigatedUbuntu - noptiUbuntu - nopti + spectre_v2=offUbuntu + 4.16Ubuntu + 4.16 - noptiUbuntu + 4.16 - nopti + spectre_v2=offClear LinuxClear Linux - noptiClear Linux - nopti + spectre_v2=off10K20K30K40K50KSE +/- 5.58, N = 3SE +/- 7.83, N = 3SE +/- 466.25, N = 4SE +/- 248.96, N = 3SE +/- 228.49, N = 3SE +/- 184.20, N = 3SE +/- 272.63, N = 3SE +/- 281.73, N = 3SE +/- 819.06, N = 3SE +/- 144.35, N = 3SE +/- 66.23, N = 345636.5242855.8528912.5729269.2028987.5229447.1928703.9729291.5245105.4945014.8445805.601. (CC) gcc options: -lrt

ebizzy

OpenBenchmarking.orgRecords/s, More Is Betterebizzy 0.3Windows Server - No MitigationsWindows Server - VA ShadowUbuntu - MitigatedUbuntu - noptiUbuntu - nopti + spectre_v2=offUbuntu + 4.16Ubuntu + 4.16 - noptiUbuntu + 4.16 - nopti + spectre_v2=offClear LinuxClear Linux - noptiClear Linux - nopti + spectre_v2=off60K120K180K240K300KSE +/- 56.17, N = 3SE +/- 55.38, N = 3SE +/- 1134.37, N = 3SE +/- 894.59, N = 3SE +/- 8371.52, N = 6SE +/- 5241.71, N = 6SE +/- 7787.30, N = 6SE +/- 583.28, N = 3SE +/- 4243.73, N = 6SE +/- 4206.85, N = 6SE +/- 5362.31, N = 653594768271051260938256322261753257575276381257393263948253127-pipe -fexceptions -fstack-protector -m64 -ffat-lto-objects -fno-signed-zeros -fno-trapping-math -fassociative-math-pipe -fexceptions -fstack-protector -m64 -ffat-lto-objects -fno-signed-zeros -fno-trapping-math -fassociative-math-pipe -fexceptions -fstack-protector -m64 -ffat-lto-objects -fno-signed-zeros -fno-trapping-math -fassociative-math1. (CC) gcc options: -pthread -lpthread -O3 -march=native

Timed LLVM Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed LLVM Compilation 4.0.1Time To CompileWindows Server - No MitigationsWindows Server - VA ShadowUbuntu - MitigatedUbuntu - noptiUbuntu - nopti + spectre_v2=offUbuntu + 4.16Ubuntu + 4.16 - noptiUbuntu + 4.16 - nopti + spectre_v2=off2004006008001000SE +/- 1.73, N = 3SE +/- 1.01, N = 3SE +/- 0.60, N = 3SE +/- 0.09, N = 3SE +/- 0.17, N = 3SE +/- 0.25, N = 3SE +/- 0.42, N = 3SE +/- 0.27, N = 3929.71934.84741.02735.34734.00739.77736.10735.33

GIMP

Test: resize

OpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.9.8Test: resizeWindows Server - No MitigationsWindows Server - VA Shadow3691215SE +/- 0.18, N = 3SE +/- 0.11, N = 312.4912.39

GIMP

Test: auto-levels

OpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.9.8Test: auto-levelsWindows Server - No MitigationsWindows Server - VA Shadow48121620SE +/- 0.21, N = 5SE +/- 0.02, N = 314.5714.82

GIMP

Test: unsharp-mask

OpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.9.8Test: unsharp-maskWindows Server - No MitigationsWindows Server - VA Shadow510152025SE +/- 0.06, N = 3SE +/- 0.02, N = 320.6521.30

Redis

Test: LPUSH

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.2.1Test: LPUSHWindows Server - No MitigationsWindows Server - VA Shadow200K400K600K800K1000KSE +/- 4531.94, N = 3SE +/- 1204.53, N = 3905651.27880130.04

WinSAT

Test: Disk

OpenBenchmarking.orgMB/s, More Is BetterWinSATTest: DiskWindows Server - No MitigationsWindows Server - VA Shadow306090120150SE +/- 21.49, N = 6SE +/- 32.92, N = 6114.27111.83MIN: 76.08 / MAX: 208.74MIN: 70.14 / MAX: 275.95

PyBench

Total For Average Test Times

OpenBenchmarking.orgMilliseconds, Fewer Is BetterPyBench 2018-02-16Total For Average Test TimesWindows Server - No MitigationsWindows Server - VA ShadowUbuntu - MitigatedUbuntu - noptiUbuntu - nopti + spectre_v2=offUbuntu + 4.16Ubuntu + 4.16 - noptiUbuntu + 4.16 - nopti + spectre_v2=offClear LinuxClear Linux - noptiClear Linux - nopti + spectre_v2=off30060090012001500SE +/- 2.03, N = 3SE +/- 3.71, N = 3SE +/- 1.00, N = 3SE +/- 2.08, N = 3SE +/- 1.20, N = 3SE +/- 2.40, N = 3SE +/- 2.40, N = 3SE +/- 3.48, N = 3SE +/- 3.06, N = 313951480128912901286128712871284105610551058

PHPBench

PHP Benchmark Suite

OpenBenchmarking.orgScore, More Is BetterPHPBench 0.8.1PHP Benchmark SuiteWindows Server - No MitigationsWindows Server - VA ShadowUbuntu - MitigatedUbuntu - noptiUbuntu - nopti + spectre_v2=offUbuntu + 4.16Ubuntu + 4.16 - noptiUbuntu + 4.16 - nopti + spectre_v2=offClear LinuxClear Linux - noptiClear Linux - nopti + spectre_v2=off200K400K600K800K1000KSE +/- 2130.68, N = 3SE +/- 347.52, N = 3SE +/- 5347.65, N = 3SE +/- 3162.10, N = 3SE +/- 3856.85, N = 3SE +/- 7319.66, N = 3SE +/- 1842.44, N = 3SE +/- 3136.48, N = 3SE +/- 828.88, N = 3SE +/- 1767.47, N = 3SE +/- 1729.85, N = 3335634317611645778647880645293640013652306645987809430806873803783

OSBench

Test: Create Files

OpenBenchmarking.orgus Per Event, Fewer Is BetterOSBenchTest: Create FilesWindows Server - No MitigationsWindows Server - VA ShadowUbuntu - MitigatedUbuntu - noptiUbuntu - nopti + spectre_v2=offUbuntu + 4.16Ubuntu + 4.16 - noptiUbuntu + 4.16 - nopti + spectre_v2=off60120180240300SE +/- 0.15, N = 3SE +/- 0.67, N = 3SE +/- 0.09, N = 3SE +/- 0.01, N = 3SE +/- 0.08, N = 3SE +/- 0.07, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3248.63266.7213.5512.8011.2513.3012.4011.031. (CC) gcc options: -lm

OSBench

Test: Launch Programs

OpenBenchmarking.orgus Per Event, Fewer Is BetterOSBenchTest: Launch ProgramsWindows Server - No MitigationsWindows Server - VA ShadowUbuntu - MitigatedUbuntu - noptiUbuntu - nopti + spectre_v2=offUbuntu + 4.16Ubuntu + 4.16 - noptiUbuntu + 4.16 - nopti + spectre_v2=off110220330440550SE +/- 0.37, N = 3SE +/- 2.00, N = 3SE +/- 0.05, N = 3SE +/- 0.09, N = 3SE +/- 0.29, N = 3SE +/- 0.12, N = 3SE +/- 0.05, N = 3SE +/- 0.13, N = 3494.21523.8140.2937.0536.6139.8337.2436.761. (CC) gcc options: -lm

OSBench

Test: Memory Allocations

OpenBenchmarking.orgNs Per Event, Fewer Is BetterOSBenchTest: Memory AllocationsWindows Server - No MitigationsWindows Server - VA ShadowUbuntu - MitigatedUbuntu - noptiUbuntu - nopti + spectre_v2=offUbuntu + 4.16Ubuntu + 4.16 - noptiUbuntu + 4.16 - nopti + spectre_v2=off20406080100SE +/- 0.13, N = 3SE +/- 0.60, N = 3SE +/- 0.12, N = 3SE +/- 0.09, N = 3SE +/- 0.14, N = 3SE +/- 0.13, N = 3SE +/- 0.11, N = 3SE +/- 0.04, N = 375.6783.4576.3072.5872.5575.0972.4672.381. (CC) gcc options: -lm

GIMP

Test: resize

OpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.8.22Test: resizeUbuntu - nopti + spectre_v2=offUbuntu + 4.16Ubuntu + 4.16 - noptiUbuntu + 4.16 - nopti + spectre_v2=offClear LinuxClear Linux - noptiClear Linux - nopti + spectre_v2=off0.68851.3772.06552.7543.4425SE +/- 0.01, N = 3SE +/- 0.04, N = 3SE +/- 0.03, N = 3SE +/- 0.04, N = 3SE +/- 0.05, N = 4SE +/- 0.04, N = 5SE +/- 0.04, N = 62.743.062.852.752.962.762.69

GIMP

Test: auto-levels

OpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.8.22Test: auto-levelsUbuntu - nopti + spectre_v2=offUbuntu + 4.16Ubuntu + 4.16 - noptiUbuntu + 4.16 - nopti + spectre_v2=offClear LinuxClear Linux - noptiClear Linux - nopti + spectre_v2=off1.32532.65063.97595.30126.6265SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 35.335.785.405.375.895.665.54

GIMP

Test: unsharp-mask

OpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.8.22Test: unsharp-maskUbuntu - nopti + spectre_v2=offUbuntu + 4.16Ubuntu + 4.16 - noptiUbuntu + 4.16 - nopti + spectre_v2=offClear LinuxClear Linux - noptiClear Linux - nopti + spectre_v2=off3691215SE +/- 0.05, N = 3SE +/- 0.08, N = 3SE +/- 0.03, N = 3SE +/- 0.03, N = 3SE +/- 0.04, N = 3SE +/- 0.02, N = 3SE +/- 0.03, N = 39.9310.8310.039.9311.1410.7110.46

Phoronix Test Suite v10.8.4