Mitigation Tests

2 x Intel Xeon Gold 6138 testing with a TYAN S7106 (V1.00 BIOS) and ASPEED ASPEED Family on Debian testing via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/1804040-AR-MITIGATIO50&rdt&grt.

Mitigation TestsProcessorMotherboardChipsetMemoryDiskGraphicsMonitorNetworkOSKernelDesktopCompilerFile-SystemScreen ResolutionXeon - KPTI + RetpolineXeon - RetpolineXeon2 x Intel Xeon Gold 6138 @ 3.70GHz (40 Cores / 80 Threads)TYAN S7106 (V1.00 BIOS)Intel Sky Lake-E DMI3 Registers12 x 8192 MB DDR4-2666MT/s Micron 9ASF1G72PZ-2G6B1256GB Samsung SSD 850 + 2000GB Seagate ST2000DM006-2DM1 + 2 x 120GB TOSHIBA-TR150ASPEED ASPEED FamilyVE228Intel I210 Gigabit ConnectionDebian testing4.16.0-041600-generic (x86_64)GNOME Shell 3.28.0GCC 7.3.0ext41920x10801024x768VE2281920x1080OpenBenchmarking.orgCompiler Details- --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 Processor Details- Scaling Governor: intel_pstate performancePython Details- Python 2.7.14+ + Python 3.6.5rc1Security Details- Xeon - KPTI + Retpoline: KPTI + __user pointer sanitization + Full generic retpoline Protection- Xeon - Retpoline: __user pointer sanitization + Full generic retpoline Protection- Xeon: __user pointer sanitization Protection

Mitigation Testsbork: File Encryption Timeluajit: Sparse Matrix Multiplyluajit: Jacobi Successive Over-Relaxationsunflow: Global Illumination + Image SynthesisXeon - KPTI + RetpolineXeon - RetpolineXeon7.951185.291349.570.907.561172.451343.830.907.381186.431387.600.88OpenBenchmarking.org

Bork File Encrypter

File Encryption Time

OpenBenchmarking.orgSeconds, Fewer Is BetterBork File Encrypter 1.4File Encryption TimeXeon - KPTI + RetpolineXeon - RetpolineXeon246810SE +/- 0.12, N = 3SE +/- 0.16, N = 6SE +/- 0.05, N = 37.957.567.38

LuaJIT

Test: Sparse Matrix Multiply

OpenBenchmarking.orgMflops, More Is BetterLuaJIT 2.0.5Test: Sparse Matrix MultiplyXeon - KPTI + RetpolineXeon - RetpolineXeon30060090012001500SE +/- 1.60, N = 3SE +/- 11.35, N = 3SE +/- 0.74, N = 31185.291172.451186.431. (CC) gcc options: -lm -ldl -O2 -fomit-frame-pointer -U_FORTIFY_SOURCE -fno-stack-protector

LuaJIT

Test: Jacobi Successive Over-Relaxation

OpenBenchmarking.orgMflops, More Is BetterLuaJIT 2.0.5Test: Jacobi Successive Over-RelaxationXeon - KPTI + RetpolineXeon - RetpolineXeon30060090012001500SE +/- 28.38, N = 3SE +/- 44.38, N = 3SE +/- 0.44, N = 31349.571343.831387.601. (CC) gcc options: -lm -ldl -O2 -fomit-frame-pointer -U_FORTIFY_SOURCE -fno-stack-protector

Sunflow Rendering System

Global Illumination + Image Synthesis

OpenBenchmarking.orgSeconds, Fewer Is BetterSunflow Rendering System 0.07.2Global Illumination + Image SynthesisXeon - KPTI + RetpolineXeon - RetpolineXeon0.20250.4050.60750.811.0125SE +/- 0.02, N = 3SE +/- 0.02, N = 6SE +/- 0.01, N = 40.900.900.88

Phoronix Test Suite v10.8.5