Ubuntu 18.04 L1TF Initial Tests

KVM testing on Ubuntu 18.04 via the Phoronix Test Suite with Level 1 Terminal Fault mitigation Tests... Early benchmarks. Tests for a future article on Phoronix.

HTML result view exported from: https://openbenchmarking.org/result/1808152-RA-UBUNTU18042&sro.

Ubuntu 18.04 L1TF Initial TestsProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionSystem LayerUnpatched Host+Guest KernelDefault - Mitigated Host+Guest KernelMitigated With Always L1D FlushFull Mitigation w/ SMT Disabled10 x Intel Core (Skylake IBRS) @ 4.01GHz (10 Cores)QEMU Standard PC (i440FX + PIIX 1996) (1.10.2-1ubuntu1 BIOS)Intel 440FX- 82441FX PMC8192MB25GBllvmpipe 8064MBQEMU GenericRed Hat Virtio deviceUbuntu 18.044.15.0-29-generic (x86_64)GNOME Shell 3.28.2X Server 1.19.6modesetting 1.19.63.3 Mesa 18.0.5 (LLVM 6.0 256 bits)GCC 7.3.0ext41024x768KVM4.15.0-32-generic (x86_64)OpenBenchmarking.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-as=/usr/bin/x86_64-linux-gnu-as --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-ld=/usr/bin/x86_64-linux-gnu-ld --with-multilib-list=m32,m64,mx32 --with-target-system-zlib --with-tune=generic --without-cuda-driver -v Disk Details- NONE / data=ordered,errors=remount-ro,relatime,rwGraphics Details- UXASecurity Details- Unpatched Host+Guest Kernel: KPTI + __user pointer sanitization + Full generic retpoline IBPB IBRS_FW Protection- Default - Mitigated Host+Guest Kernel: KPTI + __user pointer sanitization + Full generic retpoline IBPB IBRS_FW + PTE Inversion Protection- Mitigated With Always L1D Flush: KPTI + __user pointer sanitization + Full generic retpoline IBPB IBRS_FW + PTE Inversion Protection- Full Mitigation w/ SMT Disabled: KPTI + __user pointer sanitization + Full generic retpoline IBPB IBRS_FW + PTE Inversion Protection

Ubuntu 18.04 L1TF Initial Testssqlite: Timed SQLite Insertionsfio: Rand Write - Linux AIO - No - Yes - 2MB - Default Test Directoryfio: Seq Write - Linux AIO - No - Yes - 2MB - Default Test Directoryindigobench: Bedroomindigobench: Supercarluajit: Compositettsiod-renderer: Phong Rendering With Soft-Shadow Mappingx265: H.265 Video Encodingbuild-apache: Time To Compilebuild-linux-kernel: Time To Compilebuild-php: Time To Compilehackbench: 8 - Threadhackbench: 16 - Threadhackbench: 8 - Processhackbench: 16 - Processpgbench: Buffer Test - Normal Load - Read Onlypgbench: Buffer Test - Normal Load - Read Writedarktable: Boat - CPU-onlydarktable: Masskrug - CPU-onlydarktable: Server Rack - CPU-onlydarktable: Server Room - CPU-onlygimp: resizegimp: rotategimp: auto-levelsgimp: unsharp-maskredis: GETredis: SETstress-ng: Forkingstress-ng: Socket Activitystress-ng: Context Switchingstress-ng: System V Message Passingnginx: Static Web Page Servingapache-siege: 100apache-siege: 200git: Time To Complete Common Git CommandsUnpatched Host+Guest KernelDefault - Mitigated Host+Guest KernelMitigated With Always L1D FlushFull Mitigation w/ SMT Disabled4.88613331920.882.061796.73353.687.4119.2184.4455.6037.1166.5232.6161.69138895.3414708.0715.237.980.246.826.7315.0314.0028.883217058.792434462.8353821.364725.633323902.318013362.1143040.225344.032701.264.495.30592431500.872.031811.87351.267.3919.4386.2056.5236.3868.5033.8863.02126169.9513195.7615.328.050.256.956.6315.1814.0029.183334485.292435028.0051330.744762.943372781.358309452.7943300.672198.175375.294.585.67607731360.882.051806.32351.877.3919.3885.7255.6245.0174.1036.2666.06131733.9913671.2515.208.040.276.866.7314.9614.3730.083058802.252483949.9251938.064872.303169460.798030410.1042224.073453.721779.414.516.74609632430.651.581740.23190.847.0320.56100.6563.7177.59150.8786.94178.0088134.476849.7815.5410.910.428.047.1416.2114.7030.183199019.382302876.0615365.074878.272773378.965087324.1342554.182109.55419.404.64OpenBenchmarking.org

SQLite

Timed SQLite Insertions

OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.22Timed SQLite InsertionsDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel246810SE +/- 0.24, N = 6SE +/- 0.78, N = 6SE +/- 0.30, N = 6SE +/- 0.07, N = 35.306.745.674.881. (CC) gcc options: -O2 -lz -ldl -lpthread

Flexible IO Tester

Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.1Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test DirectoryDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel13002600390052006500SE +/- 57.61, N = 3SE +/- 34.12, N = 3SE +/- 85.56, N = 3SE +/- 85.11, N = 359246096607761331. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -lrt -laio -lz -lm -lpthread -ldl

Flexible IO Tester

Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.1Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test DirectoryDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel7001400210028003500SE +/- 130.97, N = 6SE +/- 44.86, N = 3SE +/- 49.67, N = 3SE +/- 61.19, N = 331503243313631921. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -lrt -laio -lz -lm -lpthread -ldl

IndigoBench

Scene: Bedroom

OpenBenchmarking.orgM samples/s, More Is BetterIndigoBench 4.0.64Scene: BedroomDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel0.1980.3960.5940.7920.99SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 30.870.650.880.88

IndigoBench

Scene: Supercar

OpenBenchmarking.orgM samples/s, More Is BetterIndigoBench 4.0.64Scene: SupercarDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel0.46350.9271.39051.8542.3175SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 32.031.582.052.06

LuaJIT

Test: Composite

OpenBenchmarking.orgMflops, More Is BetterLuaJIT 2.0.5Test: CompositeDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel400800120016002000SE +/- 3.10, N = 3SE +/- 0.46, N = 3SE +/- 1.09, N = 3SE +/- 3.89, N = 31811.871740.231806.321796.731. (CC) gcc options: -lm -ldl -O2 -fomit-frame-pointer -U_FORTIFY_SOURCE -fno-stack-protector

TTSIOD 3D Renderer

Phong Rendering With Soft-Shadow Mapping

OpenBenchmarking.orgFPS, More Is BetterTTSIOD 3D Renderer 2.3bPhong Rendering With Soft-Shadow MappingDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel80160240320400SE +/- 0.13, N = 3SE +/- 0.23, N = 3SE +/- 0.66, N = 3SE +/- 0.90, N = 3351.26190.84351.87353.681. (CXX) g++ options: -O3 -fomit-frame-pointer -ffast-math -mtune=native -flto -msse -mrecip -mfpmath=sse -msse2 -mssse3 -lSDL -fopenmp -fwhole-program -lstdc++

x265

H.265 Video Encoding

OpenBenchmarking.orgFrames Per Second, More Is Betterx265 2.8H.265 Video EncodingDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel246810SE +/- 0.01, N = 3SE +/- 0.04, N = 3SE +/- 0.03, N = 3SE +/- 0.01, N = 37.397.037.397.411. (CXX) g++ options: -O3 -rdynamic -lpthread -lrt -ldl

Timed Apache Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Apache Compilation 2.4.7Time To CompileDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel510152025SE +/- 0.06, N = 3SE +/- 0.15, N = 3SE +/- 0.10, N = 3SE +/- 0.05, N = 319.4320.5619.3819.21

Timed Linux Kernel Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Linux Kernel Compilation 4.13Time To CompileDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel20406080100SE +/- 0.99, N = 3SE +/- 0.83, N = 3SE +/- 0.64, N = 3SE +/- 0.88, N = 386.20100.6585.7284.44

Timed PHP Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 7.1.9Time To CompileDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel1428425670SE +/- 0.14, N = 3SE +/- 0.39, N = 3SE +/- 0.33, N = 3SE +/- 0.34, N = 356.5263.7155.6255.601. (CC) gcc options: -O2 -pedantic -ldl -lz -lm

Hackbench

Count: 8 - Type: Thread

OpenBenchmarking.orgSeconds, Fewer Is BetterHackbenchCount: 8 - Type: ThreadDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel20406080100SE +/- 0.20, N = 3SE +/- 0.84, N = 3SE +/- 0.87, N = 6SE +/- 0.59, N = 336.3877.5945.0137.111. (CC) gcc options: -lpthread

Hackbench

Count: 16 - Type: Thread

OpenBenchmarking.orgSeconds, Fewer Is BetterHackbenchCount: 16 - Type: ThreadDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel306090120150SE +/- 1.05, N = 4SE +/- 2.20, N = 3SE +/- 1.55, N = 6SE +/- 0.61, N = 368.50150.8774.1066.521. (CC) gcc options: -lpthread

Hackbench

Count: 8 - Type: Process

OpenBenchmarking.orgSeconds, Fewer Is BetterHackbenchCount: 8 - Type: ProcessDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel20406080100SE +/- 0.17, N = 3SE +/- 1.11, N = 3SE +/- 0.34, N = 3SE +/- 0.22, N = 333.8886.9436.2632.611. (CC) gcc options: -lpthread

Hackbench

Count: 16 - Type: Process

OpenBenchmarking.orgSeconds, Fewer Is BetterHackbenchCount: 16 - Type: ProcessDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel4080120160200SE +/- 0.23, N = 3SE +/- 3.44, N = 6SE +/- 0.13, N = 3SE +/- 0.17, N = 363.02178.0066.0661.691. (CC) gcc options: -lpthread

PostgreSQL pgbench

Scaling: Buffer Test - Test: Normal Load - Mode: Read Only

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.3Scaling: Buffer Test - Test: Normal Load - Mode: Read OnlyDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel30K60K90K120K150KSE +/- 1708.93, N = 3SE +/- 657.83, N = 3SE +/- 487.12, N = 3SE +/- 359.74, N = 3126169.9588134.47131733.99138895.341. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

PostgreSQL pgbench

Scaling: Buffer Test - Test: Normal Load - Mode: Read Write

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.3Scaling: Buffer Test - Test: Normal Load - Mode: Read WriteDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel3K6K9K12K15KSE +/- 202.69, N = 3SE +/- 103.81, N = 3SE +/- 66.24, N = 3SE +/- 85.92, N = 313195.766849.7813671.2514708.071. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

Darktable

Test: Boat - Acceleration: CPU-only

OpenBenchmarking.orgSeconds, Fewer Is BetterDarktable 2.4.2Test: Boat - Acceleration: CPU-onlyDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel48121620SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.03, N = 3SE +/- 0.02, N = 315.3215.5415.2015.23

Darktable

Test: Masskrug - Acceleration: CPU-only

OpenBenchmarking.orgSeconds, Fewer Is BetterDarktable 2.4.2Test: Masskrug - Acceleration: CPU-onlyDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel3691215SE +/- 0.03, N = 3SE +/- 0.04, N = 3SE +/- 0.03, N = 3SE +/- 0.01, N = 38.0510.918.047.98

Darktable

Test: Server Rack - Acceleration: CPU-only

OpenBenchmarking.orgSeconds, Fewer Is BetterDarktable 2.4.2Test: Server Rack - Acceleration: CPU-onlyDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel0.09450.1890.28350.3780.4725SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 30.250.420.270.24

Darktable

Test: Server Room - Acceleration: CPU-only

OpenBenchmarking.orgSeconds, Fewer Is BetterDarktable 2.4.2Test: Server Room - Acceleration: CPU-onlyDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel246810SE +/- 0.01, N = 3SE +/- 0.04, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 36.958.046.866.82

GIMP

Test: resize

OpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.8.22Test: resizeDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel246810SE +/- 0.07, N = 3SE +/- 0.06, N = 3SE +/- 0.05, N = 3SE +/- 0.07, N = 36.637.146.736.73

GIMP

Test: rotate

OpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.8.22Test: rotateDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel48121620SE +/- 0.20, N = 3SE +/- 0.03, N = 3SE +/- 0.23, N = 3SE +/- 0.06, N = 315.1816.2114.9615.03

GIMP

Test: auto-levels

OpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.8.22Test: auto-levelsDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel48121620SE +/- 0.05, N = 3SE +/- 0.03, N = 3SE +/- 0.08, N = 3SE +/- 0.04, N = 314.0014.7014.3714.00

GIMP

Test: unsharp-mask

OpenBenchmarking.orgSeconds, Fewer Is BetterGIMP 2.8.22Test: unsharp-maskDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel714212835SE +/- 0.03, N = 3SE +/- 0.03, N = 3SE +/- 0.08, N = 3SE +/- 0.08, N = 329.1830.1830.0828.88

Redis

Test: GET

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 4.0.8Test: GETDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel700K1400K2100K2800K3500KSE +/- 94339.79, N = 6SE +/- 88853.64, N = 6SE +/- 32512.35, N = 3SE +/- 87171.20, N = 63334485.293199019.383058802.253217058.791. (CC) gcc options: -ggdb -rdynamic -lm -ldl -pthread

Redis

Test: SET

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 4.0.8Test: SETDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel500K1000K1500K2000K2500KSE +/- 53949.72, N = 6SE +/- 54303.85, N = 6SE +/- 64016.53, N = 6SE +/- 55045.39, N = 62435028.002302876.062483949.922434462.831. (CC) gcc options: -ggdb -rdynamic -lm -ldl -pthread

Stress-NG

Test: Forking

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: ForkingDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel12K24K36K48K60KSE +/- 136.04, N = 3SE +/- 124.97, N = 3SE +/- 120.59, N = 3SE +/- 212.13, N = 351330.7415365.0751938.0653821.361. (CC) gcc options: -O2 -std=gnu99 -lm -lz -lcrypt -lrt -lpthread -laio -lc

Stress-NG

Test: Socket Activity

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: Socket ActivityDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel10002000300040005000SE +/- 34.43, N = 3SE +/- 17.82, N = 3SE +/- 21.81, N = 3SE +/- 82.11, N = 34762.944878.274872.304725.631. (CC) gcc options: -O2 -std=gnu99 -lm -lz -lcrypt -lrt -lpthread -laio -lc

Stress-NG

Test: Context Switching

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: Context SwitchingDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel700K1400K2100K2800K3500KSE +/- 35685.51, N = 3SE +/- 46522.35, N = 3SE +/- 39116.57, N = 3SE +/- 9800.19, N = 33372781.352773378.963169460.793323902.311. (CC) gcc options: -O2 -std=gnu99 -lm -lz -lcrypt -lrt -lpthread -laio -lc

Stress-NG

Test: System V Message Passing

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: System V Message PassingDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel2M4M6M8M10MSE +/- 67106.86, N = 3SE +/- 83584.67, N = 3SE +/- 141436.59, N = 6SE +/- 103032.82, N = 68309452.795087324.138030410.108013362.111. (CC) gcc options: -O2 -std=gnu99 -lm -lz -lcrypt -lrt -lpthread -laio -lc

NGINX Benchmark

Static Web Page Serving

OpenBenchmarking.orgRequests Per Second, More Is BetterNGINX Benchmark 1.9.9Static Web Page ServingDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel9K18K27K36K45KSE +/- 344.54, N = 3SE +/- 316.87, N = 3SE +/- 104.26, N = 3SE +/- 200.06, N = 343300.6742554.1842224.0743040.221. (CC) gcc options: -lpthread -lcrypt -lcrypto -lz -O3 -march=native

Apache Siege

Concurrent Users: 100

OpenBenchmarking.orgTransactions Per Second, More Is BetterApache Siege 2.4.29Concurrent Users: 100Default - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel11002200330044005500SE +/- 1593.38, N = 4SE +/- 1045.01, N = 6SE +/- 1588.70, N = 6SE +/- 1503.12, N = 62198.172109.553453.725344.031. (CC) gcc options: -O2 -lpthread -ldl -lssl -lcrypto

Apache Siege

Concurrent Users: 200

OpenBenchmarking.orgTransactions Per Second, More Is BetterApache Siege 2.4.29Concurrent Users: 200Default - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel12002400360048006000SE +/- 1092.45, N = 6SE +/- 66.04, N = 6SE +/- 948.92, N = 6SE +/- 452.35, N = 65375.29419.401779.412701.261. (CC) gcc options: -O2 -lpthread -ldl -lssl -lcrypto

Git

Time To Complete Common Git Commands

OpenBenchmarking.orgSeconds, Fewer Is BetterGitTime To Complete Common Git CommandsDefault - Mitigated Host+Guest KernelFull Mitigation w/ SMT DisabledMitigated With Always L1D FlushUnpatched Host+Guest Kernel1.0442.0883.1324.1765.22SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.03, N = 34.584.644.514.491. git version 2.17.1


Phoronix Test Suite v10.8.4