Icelake Compilers GCC Clang

Intel Core i7-1065G7 compiler benchmarks by Michael Larabel.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1910261-HU-ICELAKECO96
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GCC 9.2.1
October 26 2019
  4 Hours, 5 Minutes
LLVM Clang 9.0
October 26 2019
  4 Hours, 24 Minutes
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Icelake Compilers GCC ClangOpenBenchmarking.orgPhoronix Test SuiteIntel Core i7-1065G7 @ 3.90GHz (4 Cores / 8 Threads)Dell 06CDVY (1.0.9 BIOS)Intel Device 34ef16384MBKBG40ZPZ512G NVMe TOSHIBA 512GBIntel Iris Plus 3GB (1100MHz)Realtek ALC289Intel Device 34f0Ubuntu 19.105.3.0-19-generic (x86_64)GNOME Shell 3.34.1X Server 1.20.5modesetting 1.20.54.6 Mesa 19.3.0-devel (git-1961653 2019-10-24 eoan-oibaf-ppa)1.1.102GCC 9.2.1 20191008Clang 9.0.0-2ext41920x1200ProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLVulkanCompilersFile-SystemScreen ResolutionIcelake Compilers GCC Clang BenchmarksSystem Logs- CXXFLAGS="-O3 -march=native" CFLAGS="-O3 -march=native"- GCC 9.2.1: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-bootstrap --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++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-offload-targets=nvptx-none,hsa --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=auto --with-tune=generic --without-cuda-driver -v - Scaling Governor: intel_pstate powersave- Python 2.7.17rc1 + Python 3.7.5rc1- 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

GCC 9.2.1 vs. LLVM Clang 9.0 ComparisonPhoronix Test SuiteBaseline+19.3%+19.3%+38.6%+38.6%+57.9%+57.9%+77.2%+77.2%16.3%16%13.3%10.5%8.2%8.1%6.6%6%4.7%4.6%4.2%4%3.3%3.2%3.2%3.2%3.1%2.2%Total Time - 4.1.R.P.P77.3%Time To Compile65.2%CoreMark Size 666 - I.P.S35.5%WAV To MP320.9%HWB Color Space20.4%Sharpen19%MD517.3%Stepanov VectorA.C.PResizing14.2%CtypeEnc Mode 8 - 1080pSwirl9.9%P.P.S9.8%Float + SSE - 2D FFT Size 40969.2%Stock - 2D FFT Size 40968.5%S.AP.S.O - Bosphorus 1080pv.V.1.V.E6.7%Time To CompileMath Library2048 x 2048 - Total Time6%Function ObjectsEnhancedWAV To FLACV.Q.O - Bosphorus 1080pSmallP.P.AS.N.1S.F.P.R3.1%Chimera 1080pBlowfishS.N.12%C-RayTimed Linux Kernel CompilationCoremarkLAME MP3 EncodingGraphicsMagickGraphicsMagickJohn The RipperCppPerformanceBenchmarksTSCPGraphicsMagickCppPerformanceBenchmarksSVT-AV1GraphicsMagickHimeno BenchmarkFFTWFFTWCppPerformanceBenchmarksSVT-VP9VP9 libvpx EncodingTimed LLVM CompilationCppPerformanceBenchmarksAOBenchCppPerformanceBenchmarksGraphicsMagickXsbenchFLAC Audio EncodingSVT-VP9miniFETimed MrBayes Analysislibgav1ACES DGEMMlibgav1John The Ripperdav1dGCC 9.2.1LLVM Clang 9.0

Icelake Compilers GCC Clangminife: Smalllibgav1: Chimera 1080plibgav1: Summer Nature 1080pdav1d: Chimera 1080pdav1d: Summer Nature 1080psvt-av1: Enc Mode 8 - 1080psvt-vp9: PSNR/SSIM Optimized - Bosphorus 1080psvt-vp9: Visual Quality Optimized - Bosphorus 1080pvpxenc: vpxenc VP9 1080p Video Encodex264: H.264 Video Encodingx265: H.265 1080p Video Encodingmt-dgemm: Sustained Floating-Point Rategraphics-magick: Swirlgraphics-magick: Rotategraphics-magick: Sharpengraphics-magick: Enhancedgraphics-magick: Resizinggraphics-magick: Noise-Gaussiangraphics-magick: HWB Color Spacecoremark: CoreMark Size 666 - Iterations Per Secondxsbench: fftw: Stock - 2D FFT Size 4096fftw: Float + SSE - 2D FFT Size 4096himeno: Poisson Pressure Solveraskap: tConvolve MT - Griddingaskap: tConvolve MT - Degriddingaskap: tConvolve OpenMP - Griddingaskap: tConvolve OpenMP - Degriddingtscp: AI Chess Performancejohn-the-ripper: Blowfishjohn-the-ripper: MD5openssl: RSA 4096-bit Performancemrbayes: Primate Phylogeny Analysisbuild-linux-kernel: Time To Compilebuild-llvm: Time To Compilec-ray: Total Time - 4K, 16 Rays Per Pixelsmallpt: Global Illumination Renderer; 128 Samplesaobench: 2048 x 2048 - Total Timeencode-flac: WAV To FLACencode-mp3: WAV To MP3encode-ogg: WAV To Oggcpp-perf-bench: Ctypecpp-perf-bench: Math Librarycpp-perf-bench: Stepanov Vectorcpp-perf-bench: Function Objectscpp-perf-bench: Stepanov AbstractionGCC 9.2.1LLVM Clang 9.05948.2228.7949.08229.74224.119.8568.0752.1562.2428.2621.000.99166873506529774531110594.1710594007747.33238764886.591315.961256.441118.811584.8514188084926432063817.90140.83241.241263.36207.4536.9829.599.098.195.6126.21273.7687.7015.2334.716138.2629.6750.63234.16219.7210.8873.5753.8558.3528.6821.270.9615186242682607544181597.1211043027137.43218664448.5116461175035368485817.07136.50398.641185.69367.8731.368.749.905.6123.14258.2575.4314.5432.08OpenBenchmarking.org

miniFE

MiniFE Finite Element is an application for unstructured implicit finite element codes. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgCG Mflops, More Is BetterminiFE 2.2Problem Size: SmallLLVM Clang 9.0GCC 9.2.113002600390052006500SE +/- 12.22, N = 3SE +/- 25.61, N = 36138.265948.221. (CXX) g++ options: -O3 -fopenmp -pthread -lmpi_cxx -lmpi

libgav1

Libgav1 is an AV1 decoder developed by Google for AV1 profile 0/1 compliance. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFPS, More Is Betterlibgav1 2019-10-05Video Input: Chimera 1080pLLVM Clang 9.0GCC 9.2.1714212835SE +/- 0.02, N = 3SE +/- 0.02, N = 329.6728.791. (CXX) g++ options: -O3 -march=native -lpthread

OpenBenchmarking.orgFPS, More Is Betterlibgav1 2019-10-05Video Input: Summer Nature 1080pLLVM Clang 9.0GCC 9.2.11122334455SE +/- 0.31, N = 3SE +/- 0.30, N = 350.6349.081. (CXX) g++ options: -O3 -march=native -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 0.5.0Video Input: Chimera 1080pLLVM Clang 9.0GCC 9.2.150100150200250SE +/- 2.63, N = 7SE +/- 2.41, N = 7234.16229.74MIN: 152.15 / MAX: 483.55MIN: 151.35 / MAX: 446.371. (CC) gcc options: -O3 -march=native -pthread

OpenBenchmarking.orgFPS, More Is Betterdav1d 0.5.0Video Input: Summer Nature 1080pLLVM Clang 9.0GCC 9.2.150100150200250SE +/- 1.94, N = 14SE +/- 1.83, N = 14219.72224.11MIN: 177.77 / MAX: 311.96MIN: 181.88 / MAX: 312.591. (CC) gcc options: -O3 -march=native -pthread

SVT-AV1

This is a test of the Intel Open Visual Cloud Scalable Video Technology SVT-AV1 CPU-based multi-threaded video encoder for the AV1 video format with a sample 1080p YUV video file. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFrames Per Second, More Is BetterSVT-AV1 0.7Encoder Mode: Enc Mode 8 - Input: 1080pLLVM Clang 9.0GCC 9.2.13691215SE +/- 0.16, N = 3SE +/- 0.13, N = 310.889.851. (CXX) g++ options: -O3 -march=native -fPIE -fPIC -pie

SVT-VP9

This is a test of the Intel Open Visual Cloud Scalable Video Technology SVT-VP9 CPU-based multi-threaded video encoder for the VP9 video format with a sample 1080p YUV video file. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFrames Per Second, More Is BetterSVT-VP9 0.1Tuning: PSNR/SSIM Optimized - Input: Bosphorus 1080pLLVM Clang 9.0GCC 9.2.11632486480SE +/- 1.16, N = 13SE +/- 0.93, N = 1373.5768.071. (CC) gcc options: -O3 -march=native -fPIE -fPIC -fvisibility=hidden -pie -rdynamic -lpthread -lrt -lm

OpenBenchmarking.orgFrames Per Second, More Is BetterSVT-VP9 0.1Tuning: Visual Quality Optimized - Input: Bosphorus 1080pLLVM Clang 9.0GCC 9.2.11224364860SE +/- 0.61, N = 13SE +/- 0.57, N = 1353.8552.151. (CC) gcc options: -O3 -march=native -fPIE -fPIC -fvisibility=hidden -pie -rdynamic -lpthread -lrt -lm

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 1.8.1vpxenc VP9 1080p Video EncodeLLVM Clang 9.0GCC 9.2.11428425670SE +/- 0.72, N = 12SE +/- 0.88, N = 1258.3562.241. (CXX) g++ options: -m64 -lm -lpthread -O3 -march=native -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 2018-09-25H.264 Video EncodingLLVM Clang 9.0GCC 9.2.1714212835SE +/- 0.29, N = 8SE +/- 0.35, N = 528.6828.26-mstack-alignment=641. (CC) gcc options: -ldl -m64 -lm -lpthread -O3 -ffast-math -march=native -std=gnu99 -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 EncodingLLVM Clang 9.0GCC 9.2.1510152025SE +/- 0.35, N = 3SE +/- 0.31, N = 321.2721.001. (CXX) g++ options: -O3 -march=native -rdynamic -lpthread -lrt -ldl -lnuma

ACES DGEMM

This is a multi-threaded DGEMM benchmark. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgGFLOP/s, More Is BetterACES DGEMM 1.0Sustained Floating-Point RateLLVM Clang 9.0GCC 9.2.10.22280.44560.66840.89121.114SE +/- 0.04, N = 6SE +/- 0.00, N = 30.960.991. (CC) gcc options: -O3 -march=native -fopenmp

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: SwirlLLVM Clang 9.0GCC 9.2.14080120160200SE +/- 1.76, N = 3SE +/- 1.20, N = 31511661. (CC) gcc options: -fopenmp -O3 -march=native -pthread -ljbig -lwebp -lwebpmux -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: RotateLLVM Clang 9.0GCC 9.2.12004006008001000SE +/- 2.33, N = 3SE +/- 1.45, N = 38628731. (CC) gcc options: -fopenmp -O3 -march=native -pthread -ljbig -lwebp -lwebpmux -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: SharpenLLVM Clang 9.0GCC 9.2.11122334455SE +/- 0.33, N = 3SE +/- 0.58, N = 342501. (CC) gcc options: -fopenmp -O3 -march=native -pthread -ljbig -lwebp -lwebpmux -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: EnhancedLLVM Clang 9.0GCC 9.2.11530456075SE +/- 0.67, N = 3SE +/- 0.67, N = 368651. (CC) gcc options: -fopenmp -O3 -march=native -pthread -ljbig -lwebp -lwebpmux -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: ResizingLLVM Clang 9.0GCC 9.2.160120180240300SE +/- 2.33, N = 3SE +/- 2.03, N = 32602971. (CC) gcc options: -fopenmp -O3 -march=native -pthread -ljbig -lwebp -lwebpmux -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: Noise-GaussianLLVM Clang 9.0GCC 9.2.120406080100SE +/- 0.67, N = 3SE +/- 0.58, N = 375741. (CC) gcc options: -fopenmp -O3 -march=native -pthread -ljbig -lwebp -lwebpmux -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: HWB Color SpaceLLVM Clang 9.0GCC 9.2.1110220330440550SE +/- 3.18, N = 3SE +/- 3.51, N = 34415311. (CC) gcc options: -fopenmp -O3 -march=native -pthread -ljbig -lwebp -lwebpmux -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lz -lm -lpthread

Coremark

This is a test of EEMBC CoreMark processor benchmark. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgIterations/Sec, More Is BetterCoremark 1.0CoreMark Size 666 - Iterations Per SecondLLVM Clang 9.0GCC 9.2.120K40K60K80K100KSE +/- 1062.98, N = 3SE +/- 1756.90, N = 381597.12110594.171. (CC) gcc options: -O2 -O3 -march=native -lrt" -lrt

Xsbench

XSBench is a mini-app representing a key computational kernel of the Monte Carlo neutronics application OpenMC. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgLookups/s, More Is BetterXsbench 2017-07-06LLVM Clang 9.0GCC 9.2.1200K400K600K800K1000KSE +/- 264.79, N = 3SE +/- 875.26, N = 3110430210594001. (CC) gcc options: -std=gnu99 -fopenmp -O3 -lm

FFTW

FFTW is a C subroutine library for computing the discrete Fourier transform (DFT) in one or more dimensions. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 4096LLVM Clang 9.0GCC 9.2.117003400510068008500SE +/- 72.41, N = 3SE +/- 93.18, N = 37137.437747.331. (CC) gcc options: -pthread -O3 -march=native -lm

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 4096LLVM Clang 9.0GCC 9.2.15K10K15K20K25KSE +/- 371.31, N = 3SE +/- 45.12, N = 321866238761. (CC) gcc options: -pthread -O3 -march=native -lm

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 SolverLLVM Clang 9.0GCC 9.2.110002000300040005000SE +/- 16.00, N = 3SE +/- 12.00, N = 34448.514886.591. (CC) gcc options: -O3 -march=native -mavx2

ASKAP

This is a CUDA benchmark of ATNF's ASKAP Benchmark with currently using the tConvolveCuda sub-test. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMillion Grid Points Per Second, More Is BetterASKAP 2018-11-10Test: tConvolve MT - GriddingGCC 9.2.130060090012001500SE +/- 4.73, N = 31315.961. (CXX) g++ options: -lpthread

OpenBenchmarking.orgMillion Grid Points Per Second, More Is BetterASKAP 2018-11-10Test: tConvolve MT - DegriddingGCC 9.2.130060090012001500SE +/- 4.04, N = 31256.441. (CXX) g++ options: -lpthread

OpenBenchmarking.orgMillion Grid Points Per Second, More Is BetterASKAP 2018-11-10Test: tConvolve OpenMP - GriddingGCC 9.2.12004006008001000SE +/- 7.22, N = 31118.811. (CXX) g++ options: -lpthread

OpenBenchmarking.orgMillion Grid Points Per Second, More Is BetterASKAP 2018-11-10Test: tConvolve OpenMP - DegriddingGCC 9.2.130060090012001500SE +/- 68.91, N = 31584.851. (CXX) g++ options: -lpthread

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 PerformanceLLVM Clang 9.0GCC 9.2.1400K800K1200K1600K2000KSE +/- 3989.22, N = 5SE +/- 1792.29, N = 5164611714188081. (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: BlowfishLLVM Clang 9.0GCC 9.2.111002200330044005500SE +/- 57.85, N = 13SE +/- 53.29, N = 13503549261. (CC) gcc options: -m64 -lssl -lcrypto -fopenmp -pthread -lm -lz -ldl -lcrypt

OpenBenchmarking.orgReal C/S, More Is BetterJohn The Ripper 1.9.0-jumbo-1Test: MD5LLVM Clang 9.0GCC 9.2.190K180K270K360K450KSE +/- 4771.12, N = 3SE +/- 6432.90, N = 33684854320631. (CC) gcc options: -m64 -lssl -lcrypto -fopenmp -pthread -lm -lz -ldl -lcrypt

OpenSSL

OpenSSL is an open-source toolkit that implements SSL (Secure Sockets Layer) and TLS (Transport Layer Security) protocols. This test measures the RSA 4096-bit performance of OpenSSL. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSigns Per Second, More Is BetterOpenSSL 1.1.1RSA 4096-bit PerformanceLLVM Clang 9.0GCC 9.2.12004006008001000SE +/- 17.40, N = 14SE +/- 17.76, N = 14817.07817.90-Qunused-arguments1. (CC) gcc options: -pthread -m64 -O3 -march=native -lssl -lcrypto -ldl

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 AnalysisLLVM Clang 9.0GCC 9.2.1306090120150SE +/- 0.21, N = 3SE +/- 0.40, N = 3136.50140.83-mabm1. (CC) gcc options: -mmmx -msse -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -msha -maes -mavx -mfma -mavx2 -mavx512f -mavx512cd -mavx512vl -mavx512bw -mavx512dq -mavx512ifma -mavx512vbmi -mrdrnd -mbmi -mbmi2 -madx -O3 -std=c99 -pedantic -march=native -lm

Timed Linux Kernel Compilation

This test times how long it takes to build the Linux kernel in a default configuration. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Linux Kernel Compilation 5.4Time To CompileLLVM Clang 9.0GCC 9.2.190180270360450SE +/- 1.28, N = 3SE +/- 0.62, N = 3398.64241.24

Timed LLVM Compilation

This test times how long it takes to build the LLVM compiler. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed LLVM Compilation 6.0.1Time To CompileLLVM Clang 9.0GCC 9.2.1300600900120015001185.691263.36

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 PixelLLVM Clang 9.0GCC 9.2.180160240320400SE +/- 0.50, N = 3SE +/- 0.71, N = 3367.87207.451. (CC) gcc options: -lm -lpthread -O3 -march=native

Smallpt

Smallpt is a C++ global illumination renderer written in less than 100 lines of code. Global illumination is done via unbiased Monte Carlo path tracing and there is multi-threading support via the OpenMP library. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 128 SamplesGCC 9.2.1918273645SE +/- 0.52, N = 336.981. (CXX) g++ options: -fopenmp -O3 -march=native

AOBench

AOBench is a lightweight ambient occlusion renderer, written in C. The test profile is using a size of 2048 x 2048. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterAOBenchSize: 2048 x 2048 - Total TimeLLVM Clang 9.0GCC 9.2.1714212835SE +/- 0.11, N = 3SE +/- 0.03, N = 331.3629.591. (CC) gcc options: -lm -O3 -march=native

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 FLACLLVM Clang 9.0GCC 9.2.13691215SE +/- 0.01, N = 5SE +/- 0.01, N = 58.749.09-fvisibility=hidden1. (CXX) g++ options: -O3 -march=native -logg -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 MP3LLVM Clang 9.0GCC 9.2.13691215SE +/- 0.03, N = 3SE +/- 0.01, N = 39.908.19-lncurses-ffast-math -funroll-loops -fschedule-insns2 -fbranch-count-reg -fforce-addr1. (CC) gcc options: -O3 -pipe -march=native -lm

Ogg Encoding

This test times how long it takes to encode a sample WAV file to Ogg format using vorbis-tools, libvorbis, and libogg. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterOgg Encoding 1.3.3WAV To OggLLVM Clang 9.0GCC 9.2.11.26232.52463.78695.04926.3115SE +/- 0.00, N = 3SE +/- 0.01, N = 35.615.611. (CC) gcc options: -O2 -ffast-math -fsigned-char -O3 -march=native -logg

CppPerformanceBenchmarks

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

OpenBenchmarking.orgSeconds, Fewer Is BetterCppPerformanceBenchmarks 9Test: CtypeLLVM Clang 9.0GCC 9.2.1612182430SE +/- 0.04, N = 3SE +/- 0.13, N = 323.1426.211. (CXX) g++ options: -O3 -march=native -std=c++11

OpenBenchmarking.orgSeconds, Fewer Is BetterCppPerformanceBenchmarks 9Test: Math LibraryLLVM Clang 9.0GCC 9.2.160120180240300SE +/- 0.97, N = 3SE +/- 0.27, N = 3258.25273.761. (CXX) g++ options: -O3 -march=native -std=c++11

OpenBenchmarking.orgSeconds, Fewer Is BetterCppPerformanceBenchmarks 9Test: Stepanov VectorLLVM Clang 9.0GCC 9.2.120406080100SE +/- 0.47, N = 3SE +/- 0.10, N = 375.4387.701. (CXX) g++ options: -O3 -march=native -std=c++11

OpenBenchmarking.orgSeconds, Fewer Is BetterCppPerformanceBenchmarks 9Test: Function ObjectsLLVM Clang 9.0GCC 9.2.148121620SE +/- 0.01, N = 3SE +/- 0.03, N = 314.5415.231. (CXX) g++ options: -O3 -march=native -std=c++11

OpenBenchmarking.orgSeconds, Fewer Is BetterCppPerformanceBenchmarks 9Test: Stepanov AbstractionLLVM Clang 9.0GCC 9.2.1816243240SE +/- 0.03, N = 3SE +/- 0.02, N = 332.0834.711. (CXX) g++ options: -O3 -march=native -std=c++11