LLVM LVI Mitigation Test Cascadelake-R

2 x Intel Xeon Gold 5220R "Cascade Lake Refresh" performance when looking at LVI mitigation with LLVM Clang 11 Git master as of 3 April. Benchmarks by Michael Larabel for a future article.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 2004056-NI-LLVMMITIG88
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April 04 2020
  3 Hours, 21 Minutes
LVI Mitigated
April 04 2020
  4 Hours, 14 Minutes
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  3 Hours, 47 Minutes
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Environment Notes: CXXFLAGS=-O3 CFLAGS=-O3
Compiler Notes: Optimized build; Default target: x86_64-unknown-linux-gnu; Host CPU: cascadelake
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x500002c
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + tsx_async_abort: Mitigation of TSX disabled

LVI Mitigated

Processor: 2 x Intel Xeon Gold 5220R @ 3.90GHz (36 Cores / 72 Threads), Motherboard: TYAN S7106 (V2.01.B40 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 94GB, Disk: 500GB Samsung SSD 860, Graphics: ASPEED, Network: 2 x Intel I210 + 2 x QLogic cLOM8214 1/10GbE

OS: Ubuntu 20.04, Kernel: 5.6.2-050602-generic (x86_64), Desktop: GNOME Shell 3.36.0, Display Server: X Server 1.20.7, Display Driver: modesetting 1.20.7, Compiler: Clang 11.0.0, File-System: ext4, Screen Resolution: 1024x768

Environment Notes: CXXFLAGS="-O3 -mlvi-cfi" CFLAGS="-O3 -mlvi-cfi"
Compiler Notes: Optimized build; Default target: x86_64-unknown-linux-gnu; Host CPU: cascadelake
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x500002c
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + tsx_async_abort: Mitigation of TSX disabled

LLVM LVI Mitigation Test Cascadelake-ROpenBenchmarking.orgPhoronix Test Suite2 x Intel Xeon Gold 5220R @ 3.90GHz (36 Cores / 72 Threads)TYAN S7106 (V2.01.B40 BIOS)Intel Sky Lake-E DMI3 Registers94GB500GB Samsung SSD 860ASPEED2 x Intel I210 + 2 x QLogic cLOM8214 1/10GbEUbuntu 20.045.6.2-050602-generic (x86_64)GNOME Shell 3.36.0X Server 1.20.7modesetting 1.20.7Clang 11.0.0ext41024x768ProcessorMotherboardChipsetMemoryDiskGraphicsNetworkOSKernelDesktopDisplay ServerDisplay DriverCompilerFile-SystemScreen ResolutionLLVM LVI Mitigation Test Cascadelake-R BenchmarksSystem Logs- Defaults: CXXFLAGS=-O3 CFLAGS=-O3- LVI Mitigated: CXXFLAGS="-O3 -mlvi-cfi" CFLAGS="-O3 -mlvi-cfi"- Optimized build; Default target: x86_64-unknown-linux-gnu; Host CPU: cascadelake - Scaling Governor: intel_pstate powersave - CPU Microcode: 0x500002c- itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + tsx_async_abort: Mitigation of TSX disabled

Defaults vs. LVI Mitigated ComparisonPhoronix Test SuiteBaseline+49%+49%+98%+98%+147%+147%Monte Carlo195.9%fasthash32133.6%wyhash124.1%t1ha2_atonce86.6%Spooky3285.5%HWB Color Space83.8%t1ha0_aes_avx282.2%Function Objects81%Non-Exponential72.2%MeowHash67.7%Swirl62.1%Timed Time - Size 1,00044.3%I.E.C.P.K.A38.3%Noise-Gaussian35.3%Buffer Test - Normal Load - Read Only34.5%P.D.S33.5%H.2.1.V.E30.9%Speed 030.1%Speed 8 Realtime26%Total Time - 4.1.R.P.P24.2%Speed 522.7%H.2.V.E21.4%Speed 4 Realtime21.2%Speed 5 Two-Pass20.5%Unkeyed Algorithms16.3%WAV To MP310.4%Summer Nature 4K10.1%S.N.110.1%P.P.A8.8%Chimera 1080p8.3%C.u.1.0.3.s.i.i.C.L.98.2%Hair7.7%C++ Tasks7.2%C++ Threads7%Rand Numbers5.6%Stepanov Vector4.5%A.C.P4.4%Composite3.5%Buffer Test - Normal Load - Read Write3.3%Ctype2.6%Water Caustic2.4%MD52%S.A2%SciMarkSMHasherSMHasherSMHasherSMHasherGraphicsMagickSMHasherCppPerformanceBenchmarksTungsten RendererSMHasherGraphicsMagickSQLite SpeedtestCrypto++GraphicsMagickPostgreSQL pgbenchTimed HMMer Searchx265VP9 libvpx EncodingAOM AV1C-RayVP9 libvpx Encodingx264AOM AV1AOM AV1Crypto++LAME MP3 Encodingdav1ddav1dTimed MrBayes Analysisdav1dXZ CompressionTungsten RenderertoyBrot Fractal GeneratortoyBrot Fractal GeneratorCppPerformanceBenchmarksCppPerformanceBenchmarksTSCPSciMarkPostgreSQL pgbenchCppPerformanceBenchmarksTungsten RendererJohn The RipperCppPerformanceBenchmarksDefaultsLVI Mitigated

LLVM LVI Mitigation Test Cascadelake-Rcryptopp: Unkeyed Algorithmscryptopp: Integer + Elliptic Curve Public Key Algorithmstoybrot: C++ Taskstoybrot: C++ Threadssmhasher: wyhashsmhasher: MeowHashsmhasher: Spooky32smhasher: Spooky32smhasher: fasthash32smhasher: fasthash32smhasher: t1ha2_atoncesmhasher: t1ha2_atoncesmhasher: t1ha0_aes_avx2smhasher: t1ha0_aes_avx2mrbayes: Primate Phylogeny Analysishmmer: Pfam Database Searchscimark2: Compositescimark2: Monte Carlotscp: AI Chess Performancejohn-the-ripper: Blowfishjohn-the-ripper: MD5graphics-magick: Swirlgraphics-magick: Rotategraphics-magick: Noise-Gaussiangraphics-magick: HWB Color Spacedav1d: Chimera 1080pdav1d: Summer Nature 4Kdav1d: Summer Nature 1080pdav1d: Chimera 1080p 10-bitaom-av1: Speed 4 Realtimeaom-av1: Speed 5 Two-Passaom-av1: Speed 8 Realtimevpxenc: Speed 0vpxenc: Speed 5x264: H.264 Video Encodingx265: H.265 1080p Video Encodinghimeno: Poisson Pressure Solverc-ray: Total Time - 4K, 16 Rays Per Pixeltungsten: Hairtungsten: Water Caustictungsten: Non-Exponentialcompress-xz: Compressing ubuntu-16.04.3-server-i386.img, Compression Level 9encode-flac: WAV To FLACencode-mp3: WAV To MP3tachyon: Total Timepgbench: Buffer Test - Normal Load - Read Onlypgbench: Buffer Test - Normal Load - Read Writecpp-perf-bench: Atolcpp-perf-bench: Ctypecpp-perf-bench: Rand Numberscpp-perf-bench: Stepanov Vectorcpp-perf-bench: Function Objectscpp-perf-bench: Stepanov Abstractionsqlite-speedtest: Timed Time - Size 1,000DefaultsLVI Mitigated287.7940904011.0655571889189518.81040.48421600.2631.5889541.4825.35914180.1124.62471100.9925.133133.12110.4432108.90644.25133360215891666264759923182307.41177.57322.1162.830.631.0017.465.9715.83114.1135.393413.02528330.2519.7079923.11367.7892921.42112.11812.01035.8320611319.0044163861.62157268.45830.6461416.24182.71015.58633.45369.964247.5245042899.3486182025202842.14867.90021591.4158.5909533.2959.23214136.0545.94870559.6745.787144.84813.9432038.44217.7512779101588163426295911799283.87161.22292.6061.700.520.8313.864.5912.9094.0127.043392.37264137.56510.453523.669513.4118423.17812.33413.25835.9463454563.0678423739.86259869.08031.4311495.88686.42228.20534.108100.949OpenBenchmarking.org

Crypto++

Crypto++ is a C++ class library of cryptographic algorithms. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMiB/second, More Is BetterCrypto++ 8.2Test: Unkeyed AlgorithmsLVI MitigatedDefaults60120180240300SE +/- 0.02, N = 3SE +/- 0.14, N = 3247.52287.79-mlvi-cfi1. (CXX) g++ options: -O3 -fPIC -pthread -pipe

OpenBenchmarking.orgMiB/second, More Is BetterCrypto++ 8.2Test: Integer + Elliptic Curve Public Key AlgorithmsLVI MitigatedDefaults9001800270036004500SE +/- 1.90, N = 3SE +/- 0.75, N = 32899.354011.07-mlvi-cfi1. (CXX) g++ options: -O3 -fPIC -pthread -pipe

toyBrot Fractal Generator

ToyBrot is a Mandelbrot fractal generator supporting C++ threads/tasks, OpenMP, Threaded Building Blocks, and other targets. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgms, Fewer Is BettertoyBrot Fractal GeneratorImplementation: C++ TasksLVI MitigatedDefaults400800120016002000SE +/- 20.03, N = 3SE +/- 5.17, N = 320251889-mlvi-cfi1. (CXX) g++ options: -O3 -lpthread

OpenBenchmarking.orgms, Fewer Is BettertoyBrot Fractal GeneratorImplementation: C++ ThreadsLVI MitigatedDefaults400800120016002000SE +/- 23.26, N = 3SE +/- 10.11, N = 320281895-mlvi-cfi1. (CXX) g++ options: -O3 -lpthread

SMHasher

SMHasher is a hash function tester. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgcycles/hash, Fewer Is BetterSMHasher 2020-02-29Hash: wyhashLVI MitigatedDefaults1020304050SE +/- 0.00, N = 3SE +/- 0.00, N = 342.1518.81-mlvi-cfi1. (CXX) g++ options: -O3 -march=native -lpthread

OpenBenchmarking.orgcycles/hash, Fewer Is BetterSMHasher 2020-02-29Hash: MeowHashLVI MitigatedDefaults1530456075SE +/- 0.00, N = 3SE +/- 0.00, N = 367.9040.48-mlvi-cfi1. (CXX) g++ options: -O3 -march=native -lpthread

OpenBenchmarking.orgMiB/sec, More Is BetterSMHasher 2020-02-29Hash: Spooky32LVI MitigatedDefaults5K10K15K20K25KSE +/- 1.27, N = 3SE +/- 5.67, N = 321591.4121600.26-mlvi-cfi1. (CXX) g++ options: -O3 -march=native -lpthread

OpenBenchmarking.orgcycles/hash, Fewer Is BetterSMHasher 2020-02-29Hash: Spooky32LVI MitigatedDefaults1326395265SE +/- 0.01, N = 3SE +/- 0.01, N = 358.5931.59-mlvi-cfi1. (CXX) g++ options: -O3 -march=native -lpthread

OpenBenchmarking.orgMiB/sec, More Is BetterSMHasher 2020-02-29Hash: fasthash32LVI MitigatedDefaults2K4K6K8K10KSE +/- 0.00, N = 3SE +/- 0.05, N = 39533.299541.48-mlvi-cfi1. (CXX) g++ options: -O3 -march=native -lpthread

OpenBenchmarking.orgcycles/hash, Fewer Is BetterSMHasher 2020-02-29Hash: fasthash32LVI MitigatedDefaults1326395265SE +/- 1.34, N = 3SE +/- 0.00, N = 359.2325.36-mlvi-cfi1. (CXX) g++ options: -O3 -march=native -lpthread

OpenBenchmarking.orgMiB/sec, More Is BetterSMHasher 2020-02-29Hash: t1ha2_atonceLVI MitigatedDefaults3K6K9K12K15KSE +/- 0.71, N = 3SE +/- 0.22, N = 314136.0514180.11-mlvi-cfi1. (CXX) g++ options: -O3 -march=native -lpthread

OpenBenchmarking.orgcycles/hash, Fewer Is BetterSMHasher 2020-02-29Hash: t1ha2_atonceLVI MitigatedDefaults1020304050SE +/- 0.02, N = 3SE +/- 0.00, N = 345.9524.62-mlvi-cfi1. (CXX) g++ options: -O3 -march=native -lpthread

OpenBenchmarking.orgMiB/sec, More Is BetterSMHasher 2020-02-29Hash: t1ha0_aes_avx2LVI MitigatedDefaults15K30K45K60K75KSE +/- 540.12, N = 3SE +/- 421.92, N = 370559.6771100.99-mlvi-cfi1. (CXX) g++ options: -O3 -march=native -lpthread

OpenBenchmarking.orgcycles/hash, Fewer Is BetterSMHasher 2020-02-29Hash: t1ha0_aes_avx2LVI MitigatedDefaults1020304050SE +/- 0.02, N = 3SE +/- 0.01, N = 345.7925.13-mlvi-cfi1. (CXX) g++ options: -O3 -march=native -lpthread

Timed MrBayes Analysis

This test performs a bayesian analysis of a set of primate genome sequences in order to estimate their phylogeny. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MrBayes Analysis 3.2.7Primate Phylogeny AnalysisLVI MitigatedDefaults306090120150SE +/- 0.02, N = 3SE +/- 0.53, N = 3144.85133.12-mlvi-cfi1. (CC) gcc options: -mmmx -msse -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -maes -mavx -mfma -mavx2 -mavx512f -mavx512cd -mavx512vl -mavx512bw -mavx512dq -mrdrnd -mbmi -mbmi2 -madx -mmpx -O3 -std=c99 -pedantic -lm

Timed HMMer Search

This test searches through the Pfam database of profile hidden markov models. The search finds the domain structure of Drosophila Sevenless protein. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database SearchLVI MitigatedDefaults48121620SE +/- 0.03, N = 3SE +/- 0.11, N = 313.9410.44-mlvi-cfi1. (CC) gcc options: -O3 -pthread -lhmmer -lsquid -lm

SciMark

This test runs the ANSI C version of SciMark 2.0, which is a benchmark for scientific and numerical computing developed by programmers at the National Institute of Standards and Technology. This test is made up of Fast Foruier Transform, Jacobi Successive Over-relaxation, Monte Carlo, Sparse Matrix Multiply, and dense LU matrix factorization benchmarks. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: CompositeLVI MitigatedDefaults5001000150020002500SE +/- 0.84, N = 3SE +/- 0.71, N = 32038.442108.90-mlvi-cfi1. (CC) gcc options: -O3 -lm

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloLVI MitigatedDefaults140280420560700SE +/- 0.06, N = 3SE +/- 0.05, N = 3217.75644.25-mlvi-cfi1. (CC) gcc options: -O3 -lm

TSCP

This is a performance test of TSCP, Tom Kerrigan's Simple Chess Program, which has a built-in performance benchmark. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgNodes Per Second, More Is BetterTSCP 1.81AI Chess PerformanceLVI MitigatedDefaults300K600K900K1200K1500KSE +/- 937.62, N = 512779101333602-mlvi-cfi1. (CC) gcc options: -O3 -march=native

John The Ripper

This is a benchmark of John The Ripper, which is a password cracker. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgReal C/S, More Is BetterJohn The Ripper 1.9.0-jumbo-1Test: BlowfishLVI MitigatedDefaults3006009001200150015881589-mlvi-cfi1. (CC) gcc options: -m64 -lssl -lcrypto -pthread -lm -lz -ldl -lcrypt -mavx512f -O3 -march=native -std=gnu89 -Qunused-arguments -funroll-loops

OpenBenchmarking.orgReal C/S, More Is BetterJohn The Ripper 1.9.0-jumbo-1Test: MD5LVI MitigatedDefaults40K80K120K160K200KSE +/- 332.58, N = 3SE +/- 107.36, N = 3163426166626-mlvi-cfi1. (CC) gcc options: -m64 -lssl -lcrypto -pthread -lm -lz -ldl -lcrypt -mavx512f -O3 -march=native -std=gnu89 -Qunused-arguments -funroll-loops

GraphicsMagick

This is a test of GraphicsMagick with its OpenMP implementation that performs various imaging tests on a sample 6000x4000 pixel JPEG image. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: SwirlLVI MitigatedDefaults11223344552947-mlvi-cfi1. (CC) gcc options: -O3 -pthread -ljpeg -lXext -lSM -lICE -lX11 -lxml2 -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: RotateLVI MitigatedDefaults130260390520650SE +/- 4.68, N = 15SE +/- 3.53, N = 3591599-mlvi-cfi1. (CC) gcc options: -O3 -pthread -ljpeg -lXext -lSM -lICE -lX11 -lxml2 -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: Noise-GaussianLVI MitigatedDefaults6121824301723-mlvi-cfi1. (CC) gcc options: -O3 -pthread -ljpeg -lXext -lSM -lICE -lX11 -lxml2 -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: HWB Color SpaceLVI MitigatedDefaults4080120160200SE +/- 0.33, N = 3SE +/- 1.33, N = 399182-mlvi-cfi1. (CC) gcc options: -O3 -pthread -ljpeg -lXext -lSM -lICE -lX11 -lxml2 -lz -lm -lpthread

dav1d

Dav1d is an open-source, speedy AV1 video decoder. This test profile times how long it takes to decode sample AV1 video content. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFPS, More Is Betterdav1d 0.6.0Video Input: Chimera 1080pLVI MitigatedDefaults70140210280350SE +/- 0.41, N = 3SE +/- 3.72, N = 3283.87307.41-mlvi-cfi - MIN: 206.72 / MAX: 353.03MIN: 189.85 / MAX: 395.111. (CC) gcc options: -O3 -pthread

OpenBenchmarking.orgFPS, More Is Betterdav1d 0.6.0Video Input: Summer Nature 4KLVI MitigatedDefaults4080120160200SE +/- 0.83, N = 3SE +/- 1.65, N = 3161.22177.57-mlvi-cfi - MIN: 102.76 / MAX: 173.49MIN: 112.26 / MAX: 191.681. (CC) gcc options: -O3 -pthread

OpenBenchmarking.orgFPS, More Is Betterdav1d 0.6.0Video Input: Summer Nature 1080pLVI MitigatedDefaults70140210280350SE +/- 2.76, N = 3SE +/- 3.79, N = 15292.60322.11-mlvi-cfi - MIN: 176.3 / MAX: 324.99MIN: 86.27 / MAX: 371.881. (CC) gcc options: -O3 -pthread

OpenBenchmarking.orgFPS, More Is Betterdav1d 0.6.0Video Input: Chimera 1080p 10-bitLVI MitigatedDefaults1428425670SE +/- 0.27, N = 3SE +/- 0.39, N = 361.7062.83-mlvi-cfi - MIN: 47.18 / MAX: 99.37MIN: 48.65 / MAX: 93.251. (CC) gcc options: -O3 -pthread

AOM AV1

This is a simple test of the AOMedia AV1 encoder run on the CPU with a sample video file. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFrames Per Second, More Is BetterAOM AV1 2020-01-10Encoder Mode: Speed 4 RealtimeLVI MitigatedDefaults0.14180.28360.42540.56720.709SE +/- 0.00, N = 3SE +/- 0.00, N = 30.520.63-mlvi-cfi1. (CXX) g++ options: -O3 -std=c++11 -U_FORTIFY_SOURCE -lm -lpthread

OpenBenchmarking.orgFrames Per Second, More Is BetterAOM AV1 2020-01-10Encoder Mode: Speed 5 Two-PassLVI MitigatedDefaults0.2250.450.6750.91.125SE +/- 0.00, N = 3SE +/- 0.00, N = 30.831.00-mlvi-cfi1. (CXX) g++ options: -O3 -std=c++11 -U_FORTIFY_SOURCE -lm -lpthread

OpenBenchmarking.orgFrames Per Second, More Is BetterAOM AV1 2020-01-10Encoder Mode: Speed 8 RealtimeLVI MitigatedDefaults48121620SE +/- 0.05, N = 3SE +/- 0.15, N = 313.8617.46-mlvi-cfi1. (CXX) g++ options: -O3 -std=c++11 -U_FORTIFY_SOURCE -lm -lpthread

VP9 libvpx Encoding

This is a standard video encoding performance test of Google's libvpx library and the vpxenc command for the VP9/WebM format using a sample 1080p video. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFrames Per Second, More Is BetterVP9 libvpx Encoding 1.8.2Speed: Speed 0LVI MitigatedDefaults1.34332.68664.02995.37326.7165SE +/- 0.03, N = 3SE +/- 0.04, N = 34.595.97-mlvi-cfi1. (CXX) g++ options: -m64 -lm -lpthread -O3 -fPIC -U_FORTIFY_SOURCE -std=c++11

OpenBenchmarking.orgFrames Per Second, More Is BetterVP9 libvpx Encoding 1.8.2Speed: Speed 5LVI MitigatedDefaults48121620SE +/- 0.11, N = 3SE +/- 0.22, N = 412.9015.83-mlvi-cfi1. (CXX) g++ options: -m64 -lm -lpthread -O3 -fPIC -U_FORTIFY_SOURCE -std=c++11

x264

This is a simple test of the x264 encoder run on the CPU (OpenCL support disabled) with a sample video file. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2019-12-17H.264 Video EncodingLVI MitigatedDefaults306090120150SE +/- 0.37, N = 3SE +/- 2.04, N = 1294.01114.11-mlvi-cfi1. (CC) gcc options: -ldl -m64 -lm -lpthread -O3 -ffast-math -std=gnu99 -mstack-alignment=64 -fPIC -fomit-frame-pointer -fno-tree-vectorize

x265

This is a simple test of the x265 encoder run on the CPU with a sample 1080p video file. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFrames Per Second, More Is Betterx265 3.1.2H.265 1080p Video EncodingLVI MitigatedDefaults816243240SE +/- 0.06, N = 3SE +/- 0.17, N = 327.0435.39-mlvi-cfi1. (CXX) g++ options: -O3 -rdynamic -lpthread -lrt -ldl -lnuma

Himeno Benchmark

The Himeno benchmark is a linear solver of pressure Poisson using a point-Jacobi method. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverLVI MitigatedDefaults7001400210028003500SE +/- 4.95, N = 3SE +/- 0.21, N = 33392.373413.03-mlvi-cfi1. (CC) gcc options: -O3 -mavx2

C-Ray

This is a test of C-Ray, a simple raytracer designed to test the floating-point CPU performance. This test is multi-threaded (16 threads per core), will shoot 8 rays per pixel for anti-aliasing, and will generate a 1600 x 1200 image. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total Time - 4K, 16 Rays Per PixelLVI MitigatedDefaults918273645SE +/- 0.12, N = 3SE +/- 0.09, N = 337.5730.25-mlvi-cfi1. (CC) gcc options: -lm -lpthread -O3

Tungsten Renderer

Tungsten is a C++ physically based renderer that makes use of Intel's Embree ray tracing library. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterTungsten Renderer 0.2.2Scene: HairLVI MitigatedDefaults3691215SE +/- 0.04000, N = 3SE +/- 0.06856, N = 310.453509.70799-mlvi-cfi1. (CXX) g++ options: -O3 -std=c++0x -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -mfma -mbmi2 -mavx512f -mavx512vl -mavx512cd -mavx512dq -mavx512bw -mno-sse4a -mno-avx -mno-avx2 -mno-xop -mno-fma4 -mno-avx512pf -mno-avx512er -mno-avx512ifma -mno-avx512vbmi -rdynamic -ljpeg -lpthread -ldl

OpenBenchmarking.orgSeconds, Fewer Is BetterTungsten Renderer 0.2.2Scene: Water CausticLVI MitigatedDefaults612182430SE +/- 0.05, N = 3SE +/- 0.13, N = 323.6723.11-mlvi-cfi1. (CXX) g++ options: -O3 -std=c++0x -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -mfma -mbmi2 -mavx512f -mavx512vl -mavx512cd -mavx512dq -mavx512bw -mno-sse4a -mno-avx -mno-avx2 -mno-xop -mno-fma4 -mno-avx512pf -mno-avx512er -mno-avx512ifma -mno-avx512vbmi -rdynamic -ljpeg -lpthread -ldl

OpenBenchmarking.orgSeconds, Fewer Is BetterTungsten Renderer 0.2.2Scene: Non-ExponentialLVI MitigatedDefaults3691215SE +/- 0.47787, N = 15SE +/- 0.34842, N = 1213.411847.78929-mlvi-cfi1. (CXX) g++ options: -O3 -std=c++0x -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -mfma -mbmi2 -mavx512f -mavx512vl -mavx512cd -mavx512dq -mavx512bw -mno-sse4a -mno-avx -mno-avx2 -mno-xop -mno-fma4 -mno-avx512pf -mno-avx512er -mno-avx512ifma -mno-avx512vbmi -rdynamic -ljpeg -lpthread -ldl

XZ Compression

This test measures the time needed to compress a sample file (an Ubuntu file-system image) using XZ compression. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterXZ Compression 5.2.4Compressing ubuntu-16.04.3-server-i386.img, Compression Level 9LVI MitigatedDefaults612182430SE +/- 0.39, N = 3SE +/- 0.29, N = 423.1821.42-mlvi-cfi1. (CC) gcc options: -pthread -fvisibility=hidden -O3

FLAC Audio Encoding

This test times how long it takes to encode a sample WAV file to FLAC format five times. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.2WAV To FLACLVI MitigatedDefaults3691215SE +/- 0.03, N = 5SE +/- 0.02, N = 512.3312.12-mlvi-cfi1. (CXX) g++ options: -O3 -lm

LAME MP3 Encoding

LAME is an MP3 encoder licensed under the LGPL. This test measures the time required to encode a WAV file to MP3 format. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.100WAV To MP3LVI MitigatedDefaults3691215SE +/- 0.01, N = 3SE +/- 0.01, N = 313.2612.01-mlvi-cfi1. (CC) gcc options: -O3 -pipe -lncurses -lm

Tachyon

This is a test of the threaded Tachyon, a parallel ray-tracing system, measuring the time to ray-trace a sample scene. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterTachyon 0.99b6Total TimeLVI MitigatedDefaults816243240SE +/- 0.37, N = 15SE +/- 0.37, N = 1535.9535.831. (CC) gcc options: -m64 -O3 -fomit-frame-pointer -ffast-math -ltachyon -lm -lpthread

PostgreSQL pgbench

This is a simple benchmark of PostgreSQL using pgbench. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 12.0Scaling: Buffer Test - Test: Normal Load - Mode: Read OnlyLVI MitigatedDefaults130K260K390K520K650KSE +/- 722.27, N = 3SE +/- 4734.70, N = 3454563.07611319.00-mlvi-cfi1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O3 -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 12.0Scaling: Buffer Test - Test: Normal Load - Mode: Read WriteLVI MitigatedDefaults8001600240032004000SE +/- 79.30, N = 12SE +/- 51.74, N = 33739.863861.62-mlvi-cfi1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O3 -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

CppPerformanceBenchmarks

CppPerformanceBenchmarks is a set of C++ compiler performance benchmarks. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterCppPerformanceBenchmarks 9Test: AtolLVI MitigatedDefaults1530456075SE +/- 0.01, N = 3SE +/- 0.01, N = 369.0868.46-mlvi-cfi1. (CXX) g++ options: -O3 -std=c++11

OpenBenchmarking.orgSeconds, Fewer Is BetterCppPerformanceBenchmarks 9Test: CtypeLVI MitigatedDefaults714212835SE +/- 0.00, N = 3SE +/- 0.01, N = 331.4330.65-mlvi-cfi1. (CXX) g++ options: -O3 -std=c++11

OpenBenchmarking.orgSeconds, Fewer Is BetterCppPerformanceBenchmarks 9Test: Random NumbersLVI MitigatedDefaults30060090012001500SE +/- 0.08, N = 3SE +/- 0.10, N = 31495.891416.24-mlvi-cfi1. (CXX) g++ options: -O3 -std=c++11

OpenBenchmarking.orgSeconds, Fewer Is BetterCppPerformanceBenchmarks 9Test: Stepanov VectorLVI MitigatedDefaults20406080100SE +/- 0.01, N = 3SE +/- 0.03, N = 386.4282.71-mlvi-cfi1. (CXX) g++ options: -O3 -std=c++11

OpenBenchmarking.orgSeconds, Fewer Is BetterCppPerformanceBenchmarks 9Test: Function ObjectsLVI MitigatedDefaults714212835SE +/- 0.00, N = 3SE +/- 0.00, N = 328.2115.59-mlvi-cfi1. (CXX) g++ options: -O3 -std=c++11

OpenBenchmarking.orgSeconds, Fewer Is BetterCppPerformanceBenchmarks 9Test: Stepanov AbstractionLVI MitigatedDefaults816243240SE +/- 0.02, N = 3SE +/- 0.00, N = 334.1133.45-mlvi-cfi1. (CXX) g++ options: -O3 -std=c++11

SQLite Speedtest

This is a benchmark of SQLite's speedtest1 benchmark program with an increased problem size of 1,000. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite Speedtest 3.30Timed Time - Size 1,000LVI MitigatedDefaults20406080100SE +/- 0.17, N = 3SE +/- 0.14, N = 3100.9569.96-mlvi-cfi1. (CC) gcc options: -O3 -ldl -lz -lpthread

Defaults

Environment Notes: CXXFLAGS=-O3 CFLAGS=-O3
Compiler Notes: Optimized build; Default target: x86_64-unknown-linux-gnu; Host CPU: cascadelake
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x500002c
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + tsx_async_abort: Mitigation of TSX disabled

Testing initiated at 4 April 2020 13:13 by user phoronix.

LVI Mitigated

Processor: 2 x Intel Xeon Gold 5220R @ 3.90GHz (36 Cores / 72 Threads), Motherboard: TYAN S7106 (V2.01.B40 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 94GB, Disk: 500GB Samsung SSD 860, Graphics: ASPEED, Network: 2 x Intel I210 + 2 x QLogic cLOM8214 1/10GbE

OS: Ubuntu 20.04, Kernel: 5.6.2-050602-generic (x86_64), Desktop: GNOME Shell 3.36.0, Display Server: X Server 1.20.7, Display Driver: modesetting 1.20.7, Compiler: Clang 11.0.0, File-System: ext4, Screen Resolution: 1024x768

Environment Notes: CXXFLAGS="-O3 -mlvi-cfi" CFLAGS="-O3 -mlvi-cfi"
Compiler Notes: Optimized build; Default target: x86_64-unknown-linux-gnu; Host CPU: cascadelake
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x500002c
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced IBRS IBPB: conditional RSB filling + tsx_async_abort: Mitigation of TSX disabled

Testing initiated at 4 April 2020 21:07 by user phoronix.