2019 Intel LLVM Clang Compiler Comparison

Tests for a future article by Michael Larabel.

HTML result view exported from: https://openbenchmarking.org/result/1912190-HU-COREI759690&grr&rdt.

2019 Intel LLVM Clang Compiler ComparisonProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverCompilerFile-SystemScreen ResolutionLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.1Intel Core i7-5960X @ 3.50GHz (8 Cores / 16 Threads)ASRock X99 Extreme3 (P3.70 BIOS)Intel Xeon E7 v3/Xeon16384MB120GB INTEL SSDSC2BW12AMD FirePro V7900 2GBRealtek ALC1150VA2431Intel I218-VUbuntu 19.105.3.0-24-generic (x86_64)GNOME Shell 3.34.1X Server 1.20.5modesetting 1.20.5Clang 10.0.0ext41920x1080Clang 9.0.1 + LLVM 9.0.1Clang 8.0.1 + LLVM 8.0.1Clang 7.1.0 + LLVM 7.1.0Clang 6.0.1 + LLVM 6.0.1OpenBenchmarking.orgEnvironment Details- CXXFLAGS="-O3 -march=native" CFLAGS="-O3 -march=native"Compiler Details- Optimized build; Default target: x86_64-unknown-linux-gnu; Host CPU: haswellProcessor Details- Scaling Governor: intel_pstate powersave - CPU Microcode: 0x43Python Details- LLVM Clang 10 20191217: Python 2.7.17rc1 + Python 3.7.5Security Details- itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + 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 Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + tsx_async_abort: Not affected

2019 Intel LLVM Clang Compiler Comparisonvpxenc: vpxenc VP9 1080p Video Encodecpp-perf-bench: Math Librarylibgav1: Chimera 1080plibgav1: Summer Nature 4Kasmfish: 1024 Hash Memory, 26 Depthminion: Quasigroupc-ray: Total Time - 4K, 16 Rays Per Pixelbuild-php: Time To Compilemrbayes: Primate Phylogeny Analysisapache: Static Web Page Servingminion: Solitairepgbench: Buffer Test - Normal Load - Read Onlynginx: Static Web Page Servinglibgav1: Summer Nature 1080pgraphics-magick: Swirlminion: Gracefulgraphics-magick: Sharpengraphics-magick: Noise-Gaussiangraphics-magick: Resizinggraphics-magick: HWB Color Spacejohn-the-ripper: MD5graphics-magick: Rotatehimeno: Poisson Pressure Solveraobench: 2048 x 2048 - Total Timeebizzy: tungsten: Hairdav1d: Summer Nature 4Kcpp-perf-bench: Ctypedav1d: Chimera 1080ptungsten: Water Causticcompress-xz: Compressing ubuntu-16.04.3-server-i386.img, Compression Level 9john-the-ripper: Blowfishscimark2: Compositecoremark: CoreMark Size 666 - Iterations Per Secondcompress-zstd: Compressing ubuntu-16.04.3-server-i386.img, Compression Level 19x264: H.264 Video Encodingsvt-hevc: 1080p 8-bit YUV To HEVC Video Encodex265: H.265 1080p Video Encodingsvt-vp9: VMAF Optimized - Bosphorus 1080pcpp-perf-bench: Function Objectssvt-av1: Enc Mode 8 - 1080ptungsten: Volumetric Causticdav1d: Summer Nature 1080ptungsten: Non-Exponentialsvt-vp9: Visual Quality Optimized - Bosphorus 1080phmmer: Pfam Database Searchtjbench: Decompression Throughputsvt-vp9: PSNR/SSIM Optimized - Bosphorus 1080ptscp: AI Chess Performancescimark2: Dense LU Matrix Factorizationscimark2: Sparse Matrix Multiplyscimark2: Fast Fourier Transformscimark2: Monte CarloLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.1110.98408.08236.3815.8921917065144.574132127.246127.013108.44818326.2786.850014148890.92378625528.1451.733863.623649122280141773845913145.24452041.79927299834.9000106.5632.959351.6331.166732.12812932114.14212568.23853220.36457.8435.9034.52102.6615.93923.39512.1656305.089.8303281.147.201168.245614110.2513453315219.622828.62455.49555.76111.05408.07636.2315.7422125493141.484902125.180115.967109.03020345.0287.056188149135.20794825695.3251.183563.040103122281112766275843148.07210542.10927884934.9660106.5334.939354.9631.010531.59512932114.81215756.72152720.82957.3735.8835.10102.9016.13523.45112.2433304.7310.0068580.827.311166.392078109.5613512725243.492807.84455.31555.78111.71406.92736.2515.7621716998139.842752127.086112.170108.61620224.7886.960693148726.69965425503.6950.883663.472231122280111766235783085.75164741.60428584635.6346106.5731.093353.1431.135932.19112932100.14222924.20303721.33957.6035.4834.52101.7715.99823.41912.2350305.159.9548081.507.302167.204583110.0912959485222.182754.42455.34557.09110.78406.43236.2115.7222113202141.394096127.178110.278108.75919824.9686.975667147812.12678825579.0050.943564.366640122179109764875783098.96807742.20027813435.2485107.1335.698354.1231.465432.11113432103.77228736.34303220.95356.9535.1134.59102.2616.13923.20812.1987303.939.9317580.237.181169.256304110.1713126285218.382771.84459.85557.10110.24407.30036.3215.8321773169140.385022133.53999.443109.25219278.2586.677773147464.45407525228.4451.303564.306260122079109764215772915.16422941.54928428235.2842105.5135.312352.9231.150932.17013372100.40222703.38469420.93856.2635.0634.45102.8416.13423.28312.3110300.979.9702481.147.307172.995715110.6113051615239.862739.17453.81557.24OpenBenchmarking.org

VP9 libvpx Encoding

vpxenc VP9 1080p Video Encode

OpenBenchmarking.orgFrames Per Second, More Is BetterVP9 libvpx Encoding 1.8.1vpxenc VP9 1080p Video EncodeLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.1306090120150SE +/- 2.99, N = 11SE +/- 2.99, N = 11SE +/- 2.81, N = 12SE +/- 2.98, N = 11SE +/- 2.97, N = 11110.98111.05111.71110.78110.241. (CXX) g++ options: -m64 -lm -lpthread -O3 -march=native -fPIC -U_FORTIFY_SOURCE -std=c++11

CppPerformanceBenchmarks

Test: Math Library

OpenBenchmarking.orgSeconds, Fewer Is BetterCppPerformanceBenchmarks 9Test: Math LibraryLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.190180270360450SE +/- 1.19, N = 3SE +/- 1.36, N = 3SE +/- 0.18, N = 3SE +/- 0.16, N = 3SE +/- 1.15, N = 3408.08408.08406.93406.43407.301. (CXX) g++ options: -O3 -march=native -std=c++11

libgav1

Video Input: Chimera 1080p

OpenBenchmarking.orgFPS, More Is Betterlibgav1 2019-10-05Video Input: Chimera 1080pLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.1816243240SE +/- 0.01, N = 3SE +/- 0.03, N = 3SE +/- 0.03, N = 3SE +/- 0.00, N = 3SE +/- 0.03, N = 336.3836.2336.2536.2136.321. (CXX) g++ options: -O3 -march=native -lpthread

libgav1

Video Input: Summer Nature 4K

OpenBenchmarking.orgFPS, More Is Betterlibgav1 2019-10-05Video Input: Summer Nature 4KLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.148121620SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 315.8915.7415.7615.7215.831. (CXX) g++ options: -O3 -march=native -lpthread

asmFish

1024 Hash Memory, 26 Depth

OpenBenchmarking.orgNodes/second, More Is BetterasmFish 2017-09-191024 Hash Memory, 26 DepthLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.15M10M15M20M25MSE +/- 244509.85, N = 3SE +/- 140093.10, N = 3SE +/- 149705.12, N = 3SE +/- 104295.84, N = 3SE +/- 134705.52, N = 32191706522125493217169982211320221773169

Minion

Benchmark: Quasigroup

OpenBenchmarking.orgSeconds, Fewer Is BetterMinion 1.8Benchmark: QuasigroupLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.1306090120150SE +/- 1.97, N = 4SE +/- 0.19, N = 3SE +/- 0.18, N = 3SE +/- 0.14, N = 3SE +/- 0.05, N = 3144.57141.48139.84141.39140.391. (CXX) g++ options: -std=gnu++11 -O3 -fomit-frame-pointer -rdynamic

C-Ray

Total Time - 4K, 16 Rays Per Pixel

OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total Time - 4K, 16 Rays Per PixelLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.1306090120150SE +/- 0.07, N = 3SE +/- 0.01, N = 3SE +/- 0.08, N = 3SE +/- 0.02, N = 3SE +/- 0.06, N = 3127.25125.18127.09127.18133.541. (CC) gcc options: -lm -lpthread -O3 -march=native

Timed PHP Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 7.1.9Time To CompileLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.1306090120150SE +/- 0.17, N = 3SE +/- 0.08, N = 3SE +/- 0.23, N = 3SE +/- 0.03, N = 3SE +/- 0.04, N = 3127.01115.97112.17110.2899.441. (CC) gcc options: -O3 -march=native -pedantic -ldl -lz -lm

Timed MrBayes Analysis

Primate Phylogeny Analysis

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MrBayes Analysis 3.2.7Primate Phylogeny AnalysisLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.120406080100SE +/- 0.26, N = 3SE +/- 0.20, N = 3SE +/- 0.34, N = 3SE +/- 0.13, N = 3SE +/- 0.22, N = 3108.45109.03108.62108.76109.251. (CC) gcc options: -mmmx -msse -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -maes -mavx -mfma -mavx2 -mrdrnd -mbmi -mbmi2 -O3 -std=c99 -pedantic -march=native -lm

Apache Benchmark

Static Web Page Serving

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.29Static Web Page ServingLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.14K8K12K16K20KSE +/- 149.42, N = 15SE +/- 106.43, N = 3SE +/- 218.99, N = 3SE +/- 250.20, N = 4SE +/- 245.39, N = 318326.2720345.0220224.7819824.9619278.251. (CC) gcc options: -shared -fPIC -pthread -O3 -march=native

Minion

Benchmark: Solitaire

OpenBenchmarking.orgSeconds, Fewer Is BetterMinion 1.8Benchmark: SolitaireLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.120406080100SE +/- 0.13, N = 3SE +/- 0.15, N = 3SE +/- 0.15, N = 3SE +/- 0.15, N = 3SE +/- 0.07, N = 386.8587.0686.9686.9886.681. (CXX) g++ options: -std=gnu++11 -O3 -fomit-frame-pointer -rdynamic

PostgreSQL pgbench

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

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 12.0Scaling: Buffer Test - Test: Normal Load - Mode: Read OnlyLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.130K60K90K120K150KSE +/- 324.39, N = 3SE +/- 125.00, N = 3SE +/- 145.94, N = 3SE +/- 53.59, N = 3SE +/- 25.26, N = 3148890.92149135.21148726.70147812.13147464.451. (CC) gcc options: -fno-strict-aliasing -fwrapv -O3 -march=native -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

NGINX Benchmark

Static Web Page Serving

OpenBenchmarking.orgRequests Per Second, More Is BetterNGINX Benchmark 1.9.9Static Web Page ServingLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.16K12K18K24K30KSE +/- 296.45, N = 3SE +/- 42.55, N = 3SE +/- 159.38, N = 3SE +/- 71.67, N = 3SE +/- 196.08, N = 325528.1425695.3225503.6925579.0025228.441. (CC) gcc options: -lpthread -lcrypt -lcrypto -lz -O3 -march=native

libgav1

Video Input: Summer Nature 1080p

OpenBenchmarking.orgFPS, More Is Betterlibgav1 2019-10-05Video Input: Summer Nature 1080pLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.11224364860SE +/- 0.07, N = 3SE +/- 0.09, N = 3SE +/- 0.08, N = 3SE +/- 0.04, N = 3SE +/- 0.08, N = 351.7351.1850.8850.9451.301. (CXX) g++ options: -O3 -march=native -lpthread

GraphicsMagick

Operation: Swirl

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: SwirlLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.1918273645SE +/- 0.33, N = 338353635351. (CC) gcc options: -O3 -march=native -pthread -lfreetype -ljpeg -lXext -lSM -lICE -lX11 -lbz2 -lxml2 -lz -lm -lpthread

Minion

Benchmark: Graceful

OpenBenchmarking.orgSeconds, Fewer Is BetterMinion 1.8Benchmark: GracefulLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.11428425670SE +/- 0.14, N = 3SE +/- 0.02, N = 3SE +/- 0.05, N = 3SE +/- 0.04, N = 3SE +/- 0.09, N = 363.6263.0463.4764.3764.311. (CXX) g++ options: -std=gnu++11 -O3 -fomit-frame-pointer -rdynamic

GraphicsMagick

Operation: Sharpen

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: SharpenLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.1369121512121212121. (CC) gcc options: -O3 -march=native -pthread -lfreetype -ljpeg -lXext -lSM -lICE -lX11 -lbz2 -lxml2 -lz -lm -lpthread

GraphicsMagick

Operation: Noise-Gaussian

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: Noise-GaussianLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.151015202522222221201. (CC) gcc options: -O3 -march=native -pthread -lfreetype -ljpeg -lXext -lSM -lICE -lX11 -lbz2 -lxml2 -lz -lm -lpthread

GraphicsMagick

Operation: Resizing

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: ResizingLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.120406080100SE +/- 0.33, N = 3SE +/- 0.67, N = 380818079791. (CC) gcc options: -O3 -march=native -pthread -lfreetype -ljpeg -lXext -lSM -lICE -lX11 -lbz2 -lxml2 -lz -lm -lpthread

GraphicsMagick

Operation: HWB Color Space

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: HWB Color SpaceLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.1306090120150SE +/- 1.53, N = 3SE +/- 0.33, N = 31411121111091091. (CC) gcc options: -O3 -march=native -pthread -lfreetype -ljpeg -lXext -lSM -lICE -lX11 -lbz2 -lxml2 -lz -lm -lpthread

John The Ripper

Test: MD5

OpenBenchmarking.orgReal C/S, More Is BetterJohn The Ripper 1.9.0-jumbo-1Test: MD5LLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.117K34K51K68K85KSE +/- 92.51, N = 3SE +/- 48.51, N = 3SE +/- 54.41, N = 3SE +/- 160.39, N = 3SE +/- 103.04, N = 377384766277662376487764211. (CC) gcc options: -m64 -lssl -lcrypto -lgmp -pthread -lm -lz -ldl -lcrypt -lbz2 -mavx2 -O3 -march=native -std=gnu89 -Qunused-arguments -funroll-loops

GraphicsMagick

Operation: Rotate

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: RotateLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.11302603905206505915845785785771. (CC) gcc options: -O3 -march=native -pthread -lfreetype -ljpeg -lXext -lSM -lICE -lX11 -lbz2 -lxml2 -lz -lm -lpthread

Himeno Benchmark

Poisson Pressure Solver

OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.17001400210028003500SE +/- 1.63, N = 3SE +/- 2.82, N = 3SE +/- 4.88, N = 3SE +/- 3.21, N = 3SE +/- 3.05, N = 33145.243148.073085.753098.972915.161. (CC) gcc options: -O3 -march=native -mavx2

AOBench

Size: 2048 x 2048 - Total Time

OpenBenchmarking.orgSeconds, Fewer Is BetterAOBenchSize: 2048 x 2048 - Total TimeLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.11020304050SE +/- 0.30, N = 3SE +/- 0.50, N = 6SE +/- 0.08, N = 3SE +/- 0.57, N = 3SE +/- 0.06, N = 341.8042.1141.6042.2041.551. (CC) gcc options: -lm -O3 -march=native

ebizzy

OpenBenchmarking.orgRecords/s, More Is Betterebizzy 0.3LLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.160K120K180K240K300KSE +/- 2688.53, N = 9SE +/- 3251.33, N = 3SE +/- 3400.35, N = 6SE +/- 2600.36, N = 10SE +/- 3713.82, N = 52729982788492858462781342842821. (CC) gcc options: -pthread -lpthread -O3 -march=native

Tungsten Renderer

Scene: Hair

OpenBenchmarking.orgSeconds, Fewer Is BetterTungsten Renderer 0.2.2Scene: HairLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.1816243240SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.04, N = 334.9034.9735.6335.2535.281. (CXX) g++ options: -O3 -march=native -std=c++0x -march=haswell -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -mfma -mbmi2 -mno-sse4a -mno-avx -mno-avx2 -mno-xop -mno-fma4 -mno-avx512f -mno-avx512vl -mno-avx512pf -mno-avx512er -mno-avx512cd -mno-avx512dq -mno-avx512bw -mno-avx512ifma -mno-avx512vbmi -rdynamic -ljpeg -lpthread -ldl

dav1d

Video Input: Summer Nature 4K

OpenBenchmarking.orgFPS, More Is Betterdav1d 0.5.0Video Input: Summer Nature 4KLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.120406080100SE +/- 0.14, N = 3SE +/- 0.10, N = 3SE +/- 0.21, N = 3SE +/- 0.18, N = 3SE +/- 0.51, N = 3106.56106.53106.57107.13105.51MIN: 95.24 / MAX: 114.76MIN: 96.43 / MAX: 114.96MIN: 94.07 / MAX: 115.12MIN: 92.6 / MAX: 115.37MIN: 93.72 / MAX: 114.771. (CC) gcc options: -O3 -march=native -pthread

CppPerformanceBenchmarks

Test: Ctype

OpenBenchmarking.orgSeconds, Fewer Is BetterCppPerformanceBenchmarks 9Test: CtypeLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.1816243240SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 332.9634.9431.0935.7035.311. (CXX) g++ options: -O3 -march=native -std=c++11

dav1d

Video Input: Chimera 1080p

OpenBenchmarking.orgFPS, More Is Betterdav1d 0.5.0Video Input: Chimera 1080pLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.180160240320400SE +/- 2.55, N = 3SE +/- 1.80, N = 3SE +/- 2.43, N = 3SE +/- 0.33, N = 3SE +/- 0.90, N = 3351.63354.96353.14354.12352.92MIN: 267.95 / MAX: 448.44MIN: 268.16 / MAX: 453.67MIN: 267.42 / MAX: 450.26MIN: 269.23 / MAX: 447.72MIN: 269.39 / MAX: 445.71. (CC) gcc options: -O3 -march=native -pthread

Tungsten Renderer

Scene: Water Caustic

OpenBenchmarking.orgSeconds, Fewer Is BetterTungsten Renderer 0.2.2Scene: Water CausticLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.1714212835SE +/- 0.04, N = 3SE +/- 0.04, N = 3SE +/- 0.08, N = 3SE +/- 0.04, N = 3SE +/- 0.03, N = 331.1731.0131.1431.4731.151. (CXX) g++ options: -O3 -march=native -std=c++0x -march=haswell -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -mfma -mbmi2 -mno-sse4a -mno-avx -mno-avx2 -mno-xop -mno-fma4 -mno-avx512f -mno-avx512vl -mno-avx512pf -mno-avx512er -mno-avx512cd -mno-avx512dq -mno-avx512bw -mno-avx512ifma -mno-avx512vbmi -rdynamic -ljpeg -lpthread -ldl

XZ Compression

Compressing ubuntu-16.04.3-server-i386.img, Compression Level 9

OpenBenchmarking.orgSeconds, Fewer Is BetterXZ Compression 5.2.4Compressing ubuntu-16.04.3-server-i386.img, Compression Level 9LLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.1714212835SE +/- 0.10, N = 3SE +/- 0.14, N = 3SE +/- 0.06, N = 3SE +/- 0.06, N = 3SE +/- 0.06, N = 332.1331.6032.1932.1132.171. (CC) gcc options: -pthread -fvisibility=hidden -O3 -march=native

John The Ripper

Test: Blowfish

OpenBenchmarking.orgReal C/S, More Is BetterJohn The Ripper 1.9.0-jumbo-1Test: BlowfishLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.130060090012001500SE +/- 0.33, N = 3129312931293134313371. (CC) gcc options: -m64 -lssl -lcrypto -lgmp -pthread -lm -lz -ldl -lcrypt -lbz2 -mavx2 -O3 -march=native -std=gnu89 -Qunused-arguments -funroll-loops

SciMark

Computational Test: Composite

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: CompositeLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.15001000150020002500SE +/- 1.97, N = 3SE +/- 2.35, N = 3SE +/- 4.23, N = 3SE +/- 0.44, N = 3SE +/- 2.85, N = 32114.142114.812100.142103.772100.401. (CC) gcc options: -O3 -march=native -lm

Coremark

CoreMark Size 666 - Iterations Per Second

OpenBenchmarking.orgIterations/Sec, More Is BetterCoremark 1.0CoreMark Size 666 - Iterations Per SecondLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.150K100K150K200K250KSE +/- 126.38, N = 3SE +/- 238.33, N = 3SE +/- 142.79, N = 3SE +/- 418.39, N = 3SE +/- 38.36, N = 3212568.24215756.72222924.20228736.34222703.381. (CC) gcc options: -O2 -O3 -march=native -lrt" -lrt

Zstd Compression

Compressing ubuntu-16.04.3-server-i386.img, Compression Level 19

OpenBenchmarking.orgSeconds, Fewer Is BetterZstd Compression 1.3.4Compressing ubuntu-16.04.3-server-i386.img, Compression Level 19LLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.1510152025SE +/- 0.16, N = 3SE +/- 0.10, N = 3SE +/- 0.07, N = 3SE +/- 0.03, N = 3SE +/- 0.07, N = 320.3620.8321.3420.9520.941. (CC) gcc options: -O3 -march=native -pthread -lz

x264

H.264 Video Encoding

OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2018-09-25H.264 Video EncodingLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.11326395265SE +/- 0.70, N = 5SE +/- 0.81, N = 3SE +/- 0.53, N = 10SE +/- 0.64, N = 6SE +/- 0.97, N = 357.8457.3757.6056.9556.261. (CC) gcc options: -ldl -m64 -lm -lpthread -O3 -ffast-math -march=native -std=gnu99 -mstack-alignment=64 -fPIC -fomit-frame-pointer -fno-tree-vectorize

SVT-HEVC

1080p 8-bit YUV To HEVC Video Encode

OpenBenchmarking.orgFrames Per Second, More Is BetterSVT-HEVC 1.4.11080p 8-bit YUV To HEVC Video EncodeLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.1816243240SE +/- 0.20, N = 3SE +/- 0.18, N = 3SE +/- 0.15, N = 3SE +/- 0.18, N = 3SE +/- 0.16, N = 335.9035.8835.4835.1135.061. (CC) gcc options: -O3 -march=native -fPIE -fPIC -O2 -pie -rdynamic -lpthread -lrt

x265

H.265 1080p Video Encoding

OpenBenchmarking.orgFrames Per Second, More Is Betterx265 3.1.2H.265 1080p Video EncodingLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.1816243240SE +/- 0.12, N = 3SE +/- 0.33, N = 3SE +/- 0.10, N = 3SE +/- 0.30, N = 3SE +/- 0.14, N = 334.5235.1034.5234.5934.451. (CXX) g++ options: -O3 -march=native -rdynamic -lpthread -lrt -ldl -lnuma

SVT-VP9

Tuning: VMAF Optimized - Input: Bosphorus 1080p

OpenBenchmarking.orgFrames Per Second, More Is BetterSVT-VP9 0.1Tuning: VMAF Optimized - Input: Bosphorus 1080pLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.120406080100SE +/- 0.99, N = 9SE +/- 0.97, N = 10SE +/- 1.23, N = 6SE +/- 1.03, N = 8SE +/- 1.11, N = 7102.66102.90101.77102.26102.841. (CC) gcc options: -O3 -march=native -fPIE -fPIC -fvisibility=hidden -pie -rdynamic -lpthread -lrt -lm

CppPerformanceBenchmarks

Test: Function Objects

OpenBenchmarking.orgSeconds, Fewer Is BetterCppPerformanceBenchmarks 9Test: Function ObjectsLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.148121620SE +/- 0.06, N = 3SE +/- 0.06, N = 3SE +/- 0.06, N = 3SE +/- 0.05, N = 3SE +/- 0.06, N = 315.9416.1416.0016.1416.131. (CXX) g++ options: -O3 -march=native -std=c++11

SVT-AV1

Encoder Mode: Enc Mode 8 - Input: 1080p

OpenBenchmarking.orgFrames Per Second, More Is BetterSVT-AV1 0.7Encoder Mode: Enc Mode 8 - Input: 1080pLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.1612182430SE +/- 0.02, N = 3SE +/- 0.09, N = 3SE +/- 0.08, N = 3SE +/- 0.05, N = 3SE +/- 0.08, N = 323.4023.4523.4223.2123.281. (CXX) g++ options: -O3 -march=native -fPIE -fPIC -pie

Tungsten Renderer

Scene: Volumetric Caustic

OpenBenchmarking.orgSeconds, Fewer Is BetterTungsten Renderer 0.2.2Scene: Volumetric CausticLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.13691215SE +/- 0.06, N = 3SE +/- 0.06, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.06, N = 312.1712.2412.2412.2012.311. (CXX) g++ options: -O3 -march=native -std=c++0x -march=haswell -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -mfma -mbmi2 -mno-sse4a -mno-avx -mno-avx2 -mno-xop -mno-fma4 -mno-avx512f -mno-avx512vl -mno-avx512pf -mno-avx512er -mno-avx512cd -mno-avx512dq -mno-avx512bw -mno-avx512ifma -mno-avx512vbmi -rdynamic -ljpeg -lpthread -ldl

dav1d

Video Input: Summer Nature 1080p

OpenBenchmarking.orgFPS, More Is Betterdav1d 0.5.0Video Input: Summer Nature 1080pLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.170140210280350SE +/- 0.34, N = 3SE +/- 0.59, N = 3SE +/- 0.62, N = 3SE +/- 0.72, N = 3SE +/- 0.69, N = 3305.08304.73305.15303.93300.97MIN: 263.43 / MAX: 331.34MIN: 251.66 / MAX: 332.09MIN: 252.78 / MAX: 332.07MIN: 252.19 / MAX: 331.33MIN: 225.55 / MAX: 327.761. (CC) gcc options: -O3 -march=native -pthread

Tungsten Renderer

Scene: Non-Exponential

OpenBenchmarking.orgSeconds, Fewer Is BetterTungsten Renderer 0.2.2Scene: Non-ExponentialLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.13691215SE +/- 0.03792, N = 3SE +/- 0.03959, N = 3SE +/- 0.00807, N = 3SE +/- 0.01192, N = 3SE +/- 0.04142, N = 39.8303210.006859.954809.931759.970241. (CXX) g++ options: -O3 -march=native -std=c++0x -march=haswell -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -mfma -mbmi2 -mno-sse4a -mno-avx -mno-avx2 -mno-xop -mno-fma4 -mno-avx512f -mno-avx512vl -mno-avx512pf -mno-avx512er -mno-avx512cd -mno-avx512dq -mno-avx512bw -mno-avx512ifma -mno-avx512vbmi -rdynamic -ljpeg -lpthread -ldl

SVT-VP9

Tuning: Visual Quality Optimized - Input: Bosphorus 1080p

OpenBenchmarking.orgFrames Per Second, More Is BetterSVT-VP9 0.1Tuning: Visual Quality Optimized - Input: Bosphorus 1080pLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.120406080100SE +/- 0.26, N = 3SE +/- 0.32, N = 3SE +/- 0.33, N = 3SE +/- 0.16, N = 3SE +/- 0.11, N = 381.1480.8281.5080.2381.141. (CC) gcc options: -O3 -march=native -fPIE -fPIC -fvisibility=hidden -pie -rdynamic -lpthread -lrt -lm

Timed HMMer Search

Pfam Database Search

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database SearchLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.1246810SE +/- 0.073, N = 3SE +/- 0.088, N = 3SE +/- 0.109, N = 3SE +/- 0.055, N = 3SE +/- 0.085, N = 37.2017.3117.3027.1817.3071. (CC) gcc options: -O3 -march=native -pthread -lhmmer -lsquid -lm

libjpeg-turbo tjbench

Test: Decompression Throughput

OpenBenchmarking.orgMegapixels/sec, More Is Betterlibjpeg-turbo tjbench 2.0.2Test: Decompression ThroughputLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.14080120160200SE +/- 0.22, N = 3SE +/- 0.72, N = 3SE +/- 0.67, N = 3SE +/- 0.50, N = 3SE +/- 0.29, N = 3168.25166.39167.20169.26173.00-lm-lm-lm1. (CC) gcc options: -O3 -march=native -rdynamic

SVT-VP9

Tuning: PSNR/SSIM Optimized - Input: Bosphorus 1080p

OpenBenchmarking.orgFrames Per Second, More Is BetterSVT-VP9 0.1Tuning: PSNR/SSIM Optimized - Input: Bosphorus 1080pLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.120406080100SE +/- 0.72, N = 3SE +/- 0.65, N = 3SE +/- 0.72, N = 3SE +/- 1.08, N = 3SE +/- 0.82, N = 3110.25109.56110.09110.17110.611. (CC) gcc options: -O3 -march=native -fPIE -fPIC -fvisibility=hidden -pie -rdynamic -lpthread -lrt -lm

TSCP

AI Chess Performance

OpenBenchmarking.orgNodes Per Second, More Is BetterTSCP 1.81AI Chess PerformanceLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.1300K600K900K1200K1500KSE +/- 804.66, N = 5SE +/- 812.25, N = 5SE +/- 766.45, N = 5134533113512721295948131262813051611. (CC) gcc options: -O3 -march=native

SciMark

Computational Test: Dense LU Matrix Factorization

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.111002200330044005500SE +/- 1.21, N = 3SE +/- 14.87, N = 3SE +/- 19.54, N = 3SE +/- 2.17, N = 3SE +/- 11.11, N = 35219.625243.495222.185218.385239.861. (CC) gcc options: -O3 -march=native -lm

SciMark

Computational Test: Sparse Matrix Multiply

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.16001200180024003000SE +/- 9.09, N = 3SE +/- 6.04, N = 3SE +/- 1.60, N = 3SE +/- 3.36, N = 3SE +/- 6.59, N = 32828.622807.842754.422771.842739.171. (CC) gcc options: -O3 -march=native -lm

SciMark

Computational Test: Fast Fourier Transform

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.1100200300400500SE +/- 0.64, N = 3SE +/- 1.74, N = 3SE +/- 0.86, N = 3SE +/- 1.14, N = 3SE +/- 0.35, N = 3455.49455.31455.34459.85453.811. (CC) gcc options: -O3 -march=native -lm

SciMark

Computational Test: Monte Carlo

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloLLVM Clang 10 20191217LLVM Clang 9.0.1LLVM Clang 8.0.1LLVM Clang 7.1.0LLVM Clang 6.0.1120240360480600SE +/- 0.06, N = 3SE +/- 0.07, N = 3SE +/- 0.01, N = 3SE +/- 0.03, N = 3SE +/- 0.03, N = 3555.76555.78557.09557.10557.241. (CC) gcc options: -O3 -march=native -lm

Phoronix Test Suite v10.8.5