Ryzen 9 5950X Clang 12 vs. GCC 11 Benchmarks

GCC 11.1 versus LLVM Clang 12 on AMD Ryzen 9 5950X. Benchmarks by Michael Larabel for a future article.

HTML result view exported from: https://openbenchmarking.org/result/2105198-IB-11900KCOM08&grs&sor.

ProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerOpenGLCompilerFile-SystemScreen ResolutionGCC 11.1Clang 12 -O2 -O3 -march=native -O3 -march=native -flto -O2 -O3 -march=native -O3 -march=native -fltoAMD Ryzen 9 5950X 16-Core @ 3.40GHz (16 Cores / 32 Threads)ASUS ROG CROSSHAIR VIII HERO (WI-FI) (3302 BIOS)AMD Starship/Matisse32GB500GB Western Digital WDS500G3X0C-00SJG0AMD Radeon RX 5600 OEM/5600 XT / 5700/5700 8GB (2100/875MHz)AMD Navi 10 HDMI AudioASUS MG28URealtek RTL8125 2.5GbE + Intel I211 + Intel Wi-Fi 6 AX200Fedora 345.11.20-300.fc34.x86_64 (x86_64)GNOME Shell 40.1X Server + Wayland4.6 Mesa 21.0.3 (LLVM 12.0.0)GCC 11.1.1 20210428 + Clang 12.0.0btrfs3840x2160Clang 12.0.0OpenBenchmarking.orgKernel Details- Transparent Huge Pages: madviseEnvironment Details- GCC 11.1: -O2: CXXFLAGS=-O2 CFLAGS=-O2- GCC 11.1: -O3 -march=native: CXXFLAGS="-O3 -march=native" CFLAGS="-O3 -march=native"- GCC 11.1: -O3 -march=native -flto: CXXFLAGS="-O3 -march=native -flto" CFLAGS="-O3 -march=native -flto"- Clang 12: -O2: CXXFLAGS=-O2 CFLAGS=-O2- Clang 12: -O3 -march=native: CXXFLAGS="-O3 -march=native" CFLAGS="-O3 -march=native"- Clang 12: -O3 -march=native -flto: CXXFLAGS="-O3 -march=native -flto" CFLAGS="-O3 -march=native -flto"Compiler Details- GCC 11.1: -O2, GCC 11.1: -O3 -march=native, GCC 11.1: -O3 -march=native -flto: --build=x86_64-redhat-linux --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-cet --enable-checking=release --enable-gnu-indirect-function --enable-gnu-unique-object --enable-initfini-array --enable-languages=c,c++,fortran,objc,obj-c++,ada,go,d,lto --enable-multilib --enable-offload-targets=nvptx-none --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=i686 --with-gcc-major-version-only --with-linker-hash-style=gnu --with-tune=generic --without-cuda-driver Processor Details- Scaling Governor: acpi-cpufreq schedutil (Boost: Enabled) - CPU Microcode: 0xa201009Security Details- SELinux + itlb_multihit: Not affected + 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 Full AMD retpoline IBPB: conditional IBRS_FW STIBP: always-on RSB filling + srbds: Not affected + tsx_async_abort: Not affected

c-ray: Total Time - 4K, 16 Rays Per Pixelgraphics-magick: Sharpenncnn: CPU - blazefacetnn: CPU - MobileNet v2ncnn: CPU - shufflenet-v2ncnn: CPU - regnety_400mastcenc: Mediumncnn: CPU-v3-v3 - mobilenet-v3encode-flac: WAV To FLACncnn: CPU-v2-v2 - mobilenet-v2aobench: 2048 x 2048 - Total Timencnn: CPU - mnasnetencode-mp3: WAV To MP3ncnn: CPU - efficientnet-b0astcenc: Thoroughgraphics-magick: Resizingncnn: CPU - mobilenetencode-opus: WAV To Opus Encodecoremark: CoreMark Size 666 - Iterations Per Secondncnn: CPU - squeezenet_ssdncnn: CPU - resnet50ncnn: CPU - googlenetncnn: CPU - yolov4-tinywebp: Quality 100, Highest Compressiongraphics-magick: Rotateastcenc: Exhaustivegraphics-magick: Enhancedx265: Bosphorus 4Ksvt-hevc: 7 - Bosphorus 1080pliquid-dsp: 8 - 256 - 57webp: Quality 100, Losslesshmmer: Pfam Database Searchncnn: CPU - resnet18mrbayes: Primate Phylogeny Analysistnn: CPU - SqueezeNet v1.1webp: Quality 100, Lossless, Highest Compressionpjsip: INVITEliquid-dsp: 16 - 256 - 57lammps: Rhodopsin Proteinsqlite-speedtest: Timed Time - Size 1,000pjsip: OPTIONS, Statelesstjbench: Decompression Throughputncnn: CPU - vgg16svt-hevc: 10 - Bosphorus 1080psvt-vp9: Visual Quality Optimized - Bosphorus 1080pncnn: CPU - alexnetsvt-vp9: PSNR/SSIM Optimized - Bosphorus 1080psvt-vp9: VMAF Optimized - Bosphorus 1080ppjsip: OPTIONS, Statefulhimeno: Poisson Pressure SolverGCC 11.1Clang 12 -O2 -O3 -march=native -O3 -march=native -flto -O2 -O3 -march=native -O3 -march=native -flto60.9312261.85219.1304.3317.244.62964.155.8744.5431.7323.976.8025.417.6841180312.956.515830811.53211614.6126.1813.1521.065.35598557.144542226.24217.3259485000013.18199.72214.5096.785208.78027.4244815104120000012.85547.404230599277.49680256.82365.79222.6311.16235.27230.5378605120.94026225.4053701.80227.7684.3917.184.62773.846.2374.4325.4793.955.5035.377.5718212012.705.387808580.86265013.9325.3312.8521.005.200103656.641144925.91221.7161156000013.55097.74414.3392.973214.27728.3274671108500000012.74946.917221759268.11345657.61369.54223.1110.99235.59231.1679825314.73390425.4823822.55215.3416.0118.534.69953.866.1954.4626.3123.925.4035.367.5299208513.745.475849671.95944214.5025.8413.2623.945.18496456.190044926.17227.0461939333313.25497.71414.8093.337202.57227.9494616109326666712.81346.479222581270.90915057.84368.55222.3311.13234.70230.4379165445.63522149.2752061.54271.0283.8112.933.33673.367.6873.5633.7783.266.5654.529.3950169311.585.874712758.35782612.6122.9911.8821.974.77892152.204841127.77225.1557666000013.64796.09214.0593.529208.55529.1194575105640000013.08747.792221107267.55306857.26368.55225.5711.09235.64231.3579424877.30641045.0102351.52355.9253.7412.593.31793.075.6663.5730.2343.266.0984.519.3549176711.465.508722694.00627512.3523.2511.7721.734.70398151.823045227.75229.2757605000014.10595.21413.9090.785215.78128.6404708106190000013.29947.630222572272.51355956.93375.95227.7311.16239.88234.7179585192.19004244.7422371.46261.8363.6912.143.37282.935.7563.4229.7303.085.8104.309.4432176211.055.558714933.85898312.4322.9011.6221.584.72296151.897445128.47236.0558780000013.63693.31113.8692.405207.92527.400107346666713.34248.584266.22982956.11375.08227.6611.25238.13232.665289.917571OpenBenchmarking.org

C-Ray

Total Time - 4K, 16 Rays Per Pixel

GCC 11.1Clang 12OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total Time - 4K, 16 Rays Per Pixel-O3 -march=native-O3 -march=native -flto-O21428425670SE +/- 0.08, N = 3SE +/- 0.08, N = 3SE +/- 0.18, N = 3SE +/- 0.17, N = 3SE +/- 0.10, N = 3SE +/- 0.16, N = 325.4125.4860.9344.7445.0149.281. (CC) gcc options: -lm -lpthread -O3

GraphicsMagick

Operation: Sharpen

GCC 11.1Clang 12OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: Sharpen-O3 -march=native -flto-O3 -march=native-O280160240320400SE +/- 0.88, N = 3SE +/- 1.20, N = 3SE +/- 0.33, N = 3SE +/- 0.67, N = 3SE +/- 0.33, N = 3SE +/- 0.58, N = 33823702262372352061. (CC) gcc options: -fopenmp -pthread -ljpeg -lz -lm -lpthread

NCNN

Target: CPU - Model: blazeface

Clang 12GCC 11.1OpenBenchmarking.orgms, Fewer Is BetterNCNN 20201218Target: CPU - Model: blazeface-O3 -march=native -flto-O3 -march=native-O20.57381.14761.72142.29522.869SE +/- 0.05, N = 3SE +/- 0.04, N = 3SE +/- 0.04, N = 3SE +/- 0.01, N = 15SE +/- 0.01, N = 15SE +/- 0.01, N = 31.461.521.541.801.852.551. (CXX) g++ options: -O2 -rdynamic -lgomp -lpthread

TNN

Target: CPU - Model: MobileNet v2

GCC 11.1Clang 12OpenBenchmarking.orgms, Fewer Is BetterTNN 0.2.3Target: CPU - Model: MobileNet v2-O3 -march=native -flto-O2-O3 -march=native80160240320400SE +/- 1.27, N = 3SE +/- 1.57, N = 3SE +/- 0.86, N = 3SE +/- 0.55, N = 3SE +/- 0.41, N = 3SE +/- 0.48, N = 3215.34219.13227.77261.84271.03355.931. (CXX) g++ options: -fopenmp=libomp -pthread -fvisibility=hidden -O2 -rdynamic -ldl

NCNN

Target: CPU - Model: shufflenet-v2

Clang 12GCC 11.1OpenBenchmarking.orgms, Fewer Is BetterNCNN 20201218Target: CPU - Model: shufflenet-v2-O3 -march=native -flto-O3 -march=native-O2246810SE +/- 0.02, N = 3SE +/- 0.05, N = 3SE +/- 0.05, N = 3SE +/- 0.01, N = 14SE +/- 0.15, N = 15SE +/- 0.02, N = 33.693.743.814.334.396.011. (CXX) g++ options: -O2 -rdynamic -lgomp -lpthread

NCNN

Target: CPU - Model: regnety_400m

Clang 12GCC 11.1OpenBenchmarking.orgms, Fewer Is BetterNCNN 20201218Target: CPU - Model: regnety_400m-O3 -march=native -flto-O3 -march=native-O2510152025SE +/- 0.14, N = 3SE +/- 0.16, N = 3SE +/- 0.20, N = 3SE +/- 0.05, N = 15SE +/- 0.06, N = 15SE +/- 0.09, N = 312.1412.5912.9317.1817.2418.531. (CXX) g++ options: -O2 -rdynamic -lgomp -lpthread

ASTC Encoder

Preset: Medium

Clang 12GCC 11.1OpenBenchmarking.orgSeconds, Fewer Is BetterASTC Encoder 2.4Preset: Medium-O3 -march=native-O2-O3 -march=native -flto1.05742.11483.17224.22965.287SE +/- 0.0243, N = 3SE +/- 0.0156, N = 3SE +/- 0.0302, N = 3SE +/- 0.0292, N = 3SE +/- 0.0337, N = 3SE +/- 0.0045, N = 33.31793.33673.37284.62774.62964.69951. (CXX) g++ options: -O2 -flto -pthread

NCNN

Target: CPU-v3-v3 - Model: mobilenet-v3

Clang 12GCC 11.1OpenBenchmarking.orgms, Fewer Is BetterNCNN 20201218Target: CPU-v3-v3 - Model: mobilenet-v3-O3 -march=native -flto-O3 -march=native-O20.93381.86762.80143.73524.669SE +/- 0.01, N = 3SE +/- 0.05, N = 3SE +/- 0.07, N = 3SE +/- 0.02, N = 15SE +/- 0.03, N = 3SE +/- 0.03, N = 152.933.073.363.843.864.151. (CXX) g++ options: -O2 -rdynamic -lgomp -lpthread

FLAC Audio Encoding

WAV To FLAC

Clang 12GCC 11.1OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.2WAV To FLAC-O3 -march=native-O3 -march=native -flto-O2246810SE +/- 0.005, N = 5SE +/- 0.030, N = 5SE +/- 0.024, N = 5SE +/- 0.045, N = 5SE +/- 0.036, N = 5SE +/- 0.020, N = 55.6665.7567.6875.8746.1956.2371. (CXX) g++ options: -logg -lm

NCNN

Target: CPU-v2-v2 - Model: mobilenet-v2

Clang 12GCC 11.1OpenBenchmarking.orgms, Fewer Is BetterNCNN 20201218Target: CPU-v2-v2 - Model: mobilenet-v2-O3 -march=native -flto-O2-O3 -march=native1.02152.0433.06454.0865.1075SE +/- 0.08, N = 3SE +/- 0.11, N = 3SE +/- 0.04, N = 3SE +/- 0.01, N = 15SE +/- 0.01, N = 3SE +/- 0.04, N = 153.423.563.574.434.464.541. (CXX) g++ options: -O2 -rdynamic -lgomp -lpthread

AOBench

Size: 2048 x 2048 - Total Time

GCC 11.1Clang 12OpenBenchmarking.orgSeconds, Fewer Is BetterAOBenchSize: 2048 x 2048 - Total Time-O3 -march=native-O3 -march=native -flto-O2816243240SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.14, N = 3SE +/- 0.09, N = 3SE +/- 0.43, N = 3SE +/- 0.04, N = 325.4826.3131.7329.7330.2333.781. (CC) gcc options: -lm -O3

NCNN

Target: CPU - Model: mnasnet

Clang 12GCC 11.1OpenBenchmarking.orgms, Fewer Is BetterNCNN 20201218Target: CPU - Model: mnasnet-O3 -march=native -flto-O2-O3 -march=native0.89331.78662.67993.57324.4665SE +/- 0.04, N = 3SE +/- 0.08, N = 3SE +/- 0.05, N = 3SE +/- 0.02, N = 3SE +/- 0.04, N = 15SE +/- 0.04, N = 153.083.263.263.923.953.971. (CXX) g++ options: -O2 -rdynamic -lgomp -lpthread

LAME MP3 Encoding

WAV To MP3

GCC 11.1Clang 12OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.100WAV To MP3-O3 -march=native -flto-O3 -march=native-O2246810SE +/- 0.010, N = 3SE +/- 0.071, N = 3SE +/- 0.084, N = 3SE +/- 0.056, N = 3SE +/- 0.045, N = 3SE +/- 0.068, N = 45.4035.5036.8025.8106.0986.5651. (CC) gcc options: -O3 -pipe -lm

NCNN

Target: CPU - Model: efficientnet-b0

Clang 12GCC 11.1OpenBenchmarking.orgms, Fewer Is BetterNCNN 20201218Target: CPU - Model: efficientnet-b0-O3 -march=native -flto-O3 -march=native-O21.21732.43463.65194.86926.0865SE +/- 0.03, N = 3SE +/- 0.01, N = 3SE +/- 0.06, N = 3SE +/- 0.02, N = 3SE +/- 0.03, N = 15SE +/- 0.05, N = 154.304.514.525.365.375.411. (CXX) g++ options: -O2 -rdynamic -lgomp -lpthread

ASTC Encoder

Preset: Thorough

GCC 11.1Clang 12OpenBenchmarking.orgSeconds, Fewer Is BetterASTC Encoder 2.4Preset: Thorough-O3 -march=native -flto-O3 -march=native-O23691215SE +/- 0.0109, N = 3SE +/- 0.0351, N = 3SE +/- 0.0109, N = 3SE +/- 0.0407, N = 3SE +/- 0.0279, N = 3SE +/- 0.0114, N = 37.52997.57187.68419.35499.39509.44321. (CXX) g++ options: -flto -O2 -pthread

GraphicsMagick

Operation: Resizing

GCC 11.1Clang 12OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: Resizing-O3 -march=native-O3 -march=native -flto-O25001000150020002500SE +/- 1.53, N = 3SE +/- 3.71, N = 3SE +/- 0.88, N = 3SE +/- 3.61, N = 3SE +/- 2.85, N = 3SE +/- 4.48, N = 32120208518031767176216931. (CC) gcc options: -fopenmp -pthread -ljpeg -lz -lm -lpthread

NCNN

Target: CPU - Model: mobilenet

Clang 12GCC 11.1OpenBenchmarking.orgms, Fewer Is BetterNCNN 20201218Target: CPU - Model: mobilenet-O3 -march=native -flto-O3 -march=native-O248121620SE +/- 0.12, N = 3SE +/- 0.11, N = 3SE +/- 0.03, N = 3SE +/- 0.13, N = 15SE +/- 0.11, N = 15SE +/- 0.17, N = 311.0511.4611.5812.7012.9513.741. (CXX) g++ options: -O2 -rdynamic -lgomp -lpthread

Opus Codec Encoding

WAV To Opus Encode

GCC 11.1Clang 12OpenBenchmarking.orgSeconds, Fewer Is BetterOpus Codec Encoding 1.3.1WAV To Opus Encode-O3 -march=native-O3 -march=native -flto-O2246810SE +/- 0.048, N = 5SE +/- 0.023, N = 5SE +/- 0.035, N = 5SE +/- 0.045, N = 5SE +/- 0.016, N = 5SE +/- 0.052, N = 55.3875.4756.5155.5085.5585.8741. (CXX) g++ options: -logg -lm

Coremark

CoreMark Size 666 - Iterations Per Second

GCC 11.1Clang 12OpenBenchmarking.orgIterations/Sec, More Is BetterCoremark 1.0CoreMark Size 666 - Iterations Per Second-O3 -march=native -flto-O2-O3 -march=native200K400K600K800K1000KSE +/- 836.68, N = 3SE +/- 989.68, N = 3SE +/- 2230.96, N = 3SE +/- 845.83, N = 3SE +/- 581.76, N = 3SE +/- 789.22, N = 3849671.96830811.53808580.86722694.01714933.86712758.361. (CC) gcc options: -O2 -lrt" -lrt

NCNN

Target: CPU - Model: squeezenet_ssd

Clang 12GCC 11.1OpenBenchmarking.orgms, Fewer Is BetterNCNN 20201218Target: CPU - Model: squeezenet_ssd-O3 -march=native-O3 -march=native -flto-O248121620SE +/- 0.20, N = 3SE +/- 0.20, N = 3SE +/- 0.31, N = 3SE +/- 0.09, N = 15SE +/- 0.06, N = 3SE +/- 0.10, N = 1512.3512.4312.6113.9314.5014.611. (CXX) g++ options: -O2 -rdynamic -lgomp -lpthread

NCNN

Target: CPU - Model: resnet50

Clang 12GCC 11.1OpenBenchmarking.orgms, Fewer Is BetterNCNN 20201218Target: CPU - Model: resnet50-O3 -march=native -flto-O2-O3 -march=native612182430SE +/- 0.09, N = 3SE +/- 0.11, N = 3SE +/- 0.06, N = 3SE +/- 0.10, N = 15SE +/- 0.21, N = 3SE +/- 0.18, N = 1522.9022.9923.2525.3325.8426.181. (CXX) g++ options: -O2 -rdynamic -lgomp -lpthread

NCNN

Target: CPU - Model: googlenet

Clang 12GCC 11.1OpenBenchmarking.orgms, Fewer Is BetterNCNN 20201218Target: CPU - Model: googlenet-O3 -march=native -flto-O3 -march=native-O23691215SE +/- 0.09, N = 3SE +/- 0.16, N = 3SE +/- 0.13, N = 3SE +/- 0.12, N = 15SE +/- 0.22, N = 15SE +/- 0.44, N = 311.6211.7711.8812.8513.1513.261. (CXX) g++ options: -O2 -rdynamic -lgomp -lpthread

NCNN

Target: CPU - Model: yolov4-tiny

GCC 11.1Clang 12OpenBenchmarking.orgms, Fewer Is BetterNCNN 20201218Target: CPU - Model: yolov4-tiny-O3 -march=native-O2-O3 -march=native -flto612182430SE +/- 0.14, N = 15SE +/- 0.11, N = 15SE +/- 0.41, N = 3SE +/- 0.10, N = 3SE +/- 0.12, N = 3SE +/- 0.18, N = 321.0021.0623.9421.5821.7321.971. (CXX) g++ options: -O2 -rdynamic -lpthread

WebP Image Encode

Encode Settings: Quality 100, Highest Compression

Clang 12GCC 11.1OpenBenchmarking.orgEncode Time - Seconds, Fewer Is BetterWebP Image Encode 1.1Encode Settings: Quality 100, Highest Compression-O3 -march=native-O3 -march=native -flto-O21.20492.40983.61474.81966.0245SE +/- 0.026, N = 3SE +/- 0.027, N = 3SE +/- 0.059, N = 4SE +/- 0.036, N = 3SE +/- 0.023, N = 3SE +/- 0.021, N = 34.7034.7224.7785.1845.2005.3551. (CC) gcc options: -fvisibility=hidden -pthread -lm -ljpeg

GraphicsMagick

Operation: Rotate

GCC 11.1Clang 12OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: Rotate-O3 -march=native-O2-O3 -march=native -flto2004006008001000SE +/- 5.57, N = 3SE +/- 11.70, N = 3SE +/- 3.48, N = 3SE +/- 0.58, N = 3SE +/- 4.37, N = 3SE +/- 5.55, N = 310369859649819619211. (CC) gcc options: -fopenmp -pthread -ljpeg -lz -lm -lpthread

ASTC Encoder

Preset: Exhaustive

Clang 12GCC 11.1OpenBenchmarking.orgSeconds, Fewer Is BetterASTC Encoder 2.4Preset: Exhaustive-O3 -march=native-O3 -march=native -flto-O21326395265SE +/- 0.11, N = 3SE +/- 0.07, N = 3SE +/- 0.11, N = 3SE +/- 0.10, N = 3SE +/- 0.08, N = 3SE +/- 0.09, N = 351.8251.9052.2056.1956.6457.141. (CXX) g++ options: -O2 -flto -pthread

GraphicsMagick

Operation: Enhanced

Clang 12GCC 11.1OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: Enhanced-O3 -march=native-O3 -march=native -flto-O2100200300400500SE +/- 0.33, N = 3SE +/- 0.33, N = 3SE +/- 0.33, N = 3SE +/- 0.33, N = 34524514114494494221. (CC) gcc options: -fopenmp -pthread -ljpeg -lz -lm -lpthread

x265

Video Input: Bosphorus 4K

Clang 12GCC 11.1OpenBenchmarking.orgFrames Per Second, More Is Betterx265 3.4Video Input: Bosphorus 4K-O3 -march=native -flto-O2-O3 -march=native714212835SE +/- 0.10, N = 3SE +/- 0.12, N = 3SE +/- 0.04, N = 3SE +/- 0.06, N = 3SE +/- 0.09, N = 3SE +/- 0.04, N = 328.4727.7727.7526.2426.1725.911. (CXX) g++ options: -O2 -rdynamic -lpthread -lrt -ldl

SVT-HEVC

Tuning: 7 - Input: Bosphorus 1080p

Clang 12GCC 11.1OpenBenchmarking.orgFrames Per Second, More Is BetterSVT-HEVC 1.5.0Tuning: 7 - Input: Bosphorus 1080p-O3 -march=native -flto-O3 -march=native-O250100150200250SE +/- 1.15, N = 3SE +/- 0.32, N = 3SE +/- 0.95, N = 3SE +/- 0.03, N = 3SE +/- 0.83, N = 3SE +/- 0.49, N = 3236.05229.27225.15227.04221.71217.321. (CC) gcc options: -O3 -fPIE -fPIC -O2 -pie -rdynamic -lpthread -lrt

Liquid-DSP

Threads: 8 - Buffer Length: 256 - Filter Length: 57

GCC 11.1Clang 12OpenBenchmarking.orgsamples/s, More Is BetterLiquid-DSP 2021.01.31Threads: 8 - Buffer Length: 256 - Filter Length: 57-O3 -march=native -flto-O3 -march=native-O2130M260M390M520M650MSE +/- 1343755.10, N = 3SE +/- 4455270.29, N = 3SE +/- 185202.59, N = 3SE +/- 1855020.22, N = 3SE +/- 1824399.44, N = 3SE +/- 4072558.57, N = 36193933336115600005948500005878000005766600005760500001. (CC) gcc options: -O3 -pthread -lm -lc -lliquid

WebP Image Encode

Encode Settings: Quality 100, Lossless

GCC 11.1Clang 12OpenBenchmarking.orgEncode Time - Seconds, Fewer Is BetterWebP Image Encode 1.1Encode Settings: Quality 100, Lossless-O2-O3 -march=native -flto-O3 -march=native48121620SE +/- 0.04, N = 3SE +/- 0.17, N = 3SE +/- 0.06, N = 3SE +/- 0.15, N = 4SE +/- 0.19, N = 3SE +/- 0.05, N = 313.1813.2513.5513.6413.6514.111. (CC) gcc options: -fvisibility=hidden -pthread -lm -ljpeg

Timed HMMer Search

Pfam Database Search

Clang 12GCC 11.1OpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 3.3.2Pfam Database Search-O3 -march=native -flto-O3 -march=native-O220406080100SE +/- 0.08, N = 3SE +/- 0.11, N = 3SE +/- 0.08, N = 3SE +/- 0.08, N = 3SE +/- 0.04, N = 3SE +/- 0.04, N = 393.3195.2196.0997.7197.7499.721. (CC) gcc options: -pthread -lhmmer -leasel -lm -lmpi

NCNN

Target: CPU - Model: resnet18

Clang 12GCC 11.1OpenBenchmarking.orgms, Fewer Is BetterNCNN 20201218Target: CPU - Model: resnet18-O3 -march=native -flto-O3 -march=native-O248121620SE +/- 0.13, N = 3SE +/- 0.13, N = 3SE +/- 0.23, N = 3SE +/- 0.09, N = 15SE +/- 0.11, N = 15SE +/- 0.22, N = 313.8613.9014.0514.3314.5014.801. (CXX) g++ options: -O2 -rdynamic -lgomp -lpthread

Timed MrBayes Analysis

Primate Phylogeny Analysis

Clang 12GCC 11.1OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MrBayes Analysis 3.2.7Primate Phylogeny Analysis-O3 -march=native-O3 -march=native -flto-O220406080100SE +/- 0.18, N = 3SE +/- 0.19, N = 3SE +/- 0.21, N = 3SE +/- 0.29, N = 3SE +/- 0.13, N = 3SE +/- 0.13, N = 390.7992.4193.5392.9793.3496.791. (CC) gcc options: -mmmx -msse -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -msse4a -msha -maes -mavx -mfma -mavx2 -mrdrnd -mbmi -mbmi2 -madx -mabm -O3 -std=c99 -pedantic -lm

TNN

Target: CPU - Model: SqueezeNet v1.1

GCC 11.1Clang 12OpenBenchmarking.orgms, Fewer Is BetterTNN 0.2.3Target: CPU - Model: SqueezeNet v1.1-O3 -march=native -flto-O2-O3 -march=native50100150200250SE +/- 0.11, N = 3SE +/- 0.08, N = 3SE +/- 0.50, N = 3SE +/- 0.41, N = 3SE +/- 0.23, N = 3SE +/- 0.69, N = 3202.57208.78214.28207.93208.56215.781. (CXX) g++ options: -pthread -fvisibility=hidden -O2 -rdynamic -ldl

WebP Image Encode

Encode Settings: Quality 100, Lossless, Highest Compression

Clang 12GCC 11.1OpenBenchmarking.orgEncode Time - Seconds, Fewer Is BetterWebP Image Encode 1.1Encode Settings: Quality 100, Lossless, Highest Compression-O3 -march=native -flto-O2-O3 -march=native714212835SE +/- 0.02, N = 3SE +/- 0.05, N = 3SE +/- 0.13, N = 3SE +/- 0.03, N = 3SE +/- 0.07, N = 3SE +/- 0.02, N = 327.4028.6429.1227.4227.9528.331. (CC) gcc options: -fvisibility=hidden -pthread -lm -ljpeg

PJSIP

Method: INVITE

GCC 11.1Clang 12OpenBenchmarking.orgResponses Per Second, More Is BetterPJSIP 2.11Method: INVITE-O2-O3 -march=native-O3 -march=native -flto10002000300040005000SE +/- 16.33, N = 3SE +/- 32.67, N = 15SE +/- 65.77, N = 3SE +/- 66.36, N = 3SE +/- 42.78, N = 3481546714616470845751. (CC) gcc options: -lstdc++ -lssl -lcrypto -lm -lrt -lpthread

Liquid-DSP

Threads: 16 - Buffer Length: 256 - Filter Length: 57

GCC 11.1Clang 12OpenBenchmarking.orgsamples/s, More Is BetterLiquid-DSP 2021.01.31Threads: 16 - Buffer Length: 256 - Filter Length: 57-O3 -march=native -flto-O3 -march=native-O2200M400M600M800M1000MSE +/- 783865.07, N = 3SE +/- 1252996.41, N = 3SE +/- 4650806.38, N = 3SE +/- 3219903.38, N = 3SE +/- 493288.29, N = 3SE +/- 2690724.81, N = 31093266667108500000010412000001073466667106190000010564000001. (CC) gcc options: -O3 -pthread -lm -lc -lliquid

LAMMPS Molecular Dynamics Simulator

Model: Rhodopsin Protein

Clang 12GCC 11.1OpenBenchmarking.orgns/day, More Is BetterLAMMPS Molecular Dynamics Simulator 29Oct2020Model: Rhodopsin Protein-O3 -march=native -flto-O3 -march=native-O23691215SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.08, N = 3SE +/- 0.11, N = 8SE +/- 0.09, N = 15SE +/- 0.14, N = 413.3413.3013.0912.8612.8112.751. (CXX) g++ options: -O2 -pthread -lm

SQLite Speedtest

Timed Time - Size 1,000

GCC 11.1Clang 12OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite Speedtest 3.30Timed Time - Size 1,000-O3 -march=native -flto-O3 -march=native-O21122334455SE +/- 0.54, N = 3SE +/- 0.16, N = 3SE +/- 0.02, N = 3SE +/- 0.50, N = 3SE +/- 0.13, N = 3SE +/- 0.18, N = 346.4846.9247.4047.6347.7948.581. (CC) gcc options: -ldl -lz -lpthread

PJSIP

Method: OPTIONS, Stateless

GCC 11.1Clang 12OpenBenchmarking.orgResponses Per Second, More Is BetterPJSIP 2.11Method: OPTIONS, Stateless-O2-O3 -march=native -flto-O3 -march=native50K100K150K200K250KSE +/- 586.86, N = 3SE +/- 705.50, N = 3SE +/- 1749.48, N = 3SE +/- 962.04, N = 3SE +/- 1827.48, N = 32305992225812217592225722211071. (CC) gcc options: -lstdc++ -lssl -lcrypto -lm -lrt -lpthread

libjpeg-turbo tjbench

Test: Decompression Throughput

GCC 11.1Clang 12OpenBenchmarking.orgMegapixels/sec, More Is Betterlibjpeg-turbo tjbench 2.1.0Test: Decompression Throughput-O2-O3 -march=native-O3 -march=native -flto60120180240300SE +/- 1.92, N = 3SE +/- 0.45, N = 3SE +/- 1.27, N = 3SE +/- 0.59, N = 3SE +/- 1.65, N = 3SE +/- 0.54, N = 3277.50270.91268.11272.51267.55266.231. (CC) gcc options: -O3 -rdynamic

NCNN

Target: CPU - Model: vgg16

Clang 12GCC 11.1OpenBenchmarking.orgms, Fewer Is BetterNCNN 20201218Target: CPU - Model: vgg16-O3 -march=native -flto-O2-O3 -march=native1326395265SE +/- 0.45, N = 3SE +/- 0.53, N = 3SE +/- 0.08, N = 3SE +/- 0.08, N = 15SE +/- 0.08, N = 15SE +/- 0.23, N = 356.1156.9357.2656.8257.6157.841. (CXX) g++ options: -O2 -rdynamic -lpthread

SVT-HEVC

Tuning: 10 - Input: Bosphorus 1080p

Clang 12GCC 11.1OpenBenchmarking.orgFrames Per Second, More Is BetterSVT-HEVC 1.5.0Tuning: 10 - Input: Bosphorus 1080p-O3 -march=native-O3 -march=native -flto-O280160240320400SE +/- 1.66, N = 3SE +/- 0.90, N = 3SE +/- 0.23, N = 3SE +/- 1.07, N = 3SE +/- 0.57, N = 3SE +/- 1.24, N = 3375.95375.08368.55369.54368.55365.791. (CC) gcc options: -O3 -fPIE -fPIC -O2 -pie -rdynamic -lpthread -lrt

SVT-VP9

Tuning: Visual Quality Optimized - Input: Bosphorus 1080p

Clang 12GCC 11.1OpenBenchmarking.orgFrames Per Second, More Is BetterSVT-VP9 0.3Tuning: Visual Quality Optimized - Input: Bosphorus 1080p-O3 -march=native-O3 -march=native -flto-O250100150200250SE +/- 0.75, N = 3SE +/- 0.89, N = 3SE +/- 1.28, N = 3SE +/- 0.87, N = 3SE +/- 0.82, N = 3SE +/- 0.97, N = 3227.73227.66225.57223.11222.63222.331. (CC) gcc options: -O3 -fcommon -fPIE -fPIC -fvisibility=hidden -O2 -pie -rdynamic -lpthread -lrt -lm

NCNN

Target: CPU - Model: alexnet

GCC 11.1Clang 12OpenBenchmarking.orgms, Fewer Is BetterNCNN 20201218Target: CPU - Model: alexnet-O3 -march=native-O2-O3 -march=native -flto3691215SE +/- 0.04, N = 15SE +/- 0.06, N = 3SE +/- 0.06, N = 15SE +/- 0.03, N = 3SE +/- 0.05, N = 3SE +/- 0.10, N = 310.9911.1311.1611.0911.1611.251. (CXX) g++ options: -O2 -rdynamic -lpthread

SVT-VP9

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

Clang 12GCC 11.1OpenBenchmarking.orgFrames Per Second, More Is BetterSVT-VP9 0.3Tuning: PSNR/SSIM Optimized - Input: Bosphorus 1080p-O3 -march=native-O3 -march=native -flto-O250100150200250SE +/- 0.40, N = 3SE +/- 0.48, N = 3SE +/- 0.18, N = 3SE +/- 0.23, N = 3SE +/- 0.37, N = 3SE +/- 0.33, N = 3239.88238.13235.64235.59235.27234.701. (CC) gcc options: -O3 -fcommon -fPIE -fPIC -fvisibility=hidden -O2 -pie -rdynamic -lpthread -lrt -lm

SVT-VP9

Tuning: VMAF Optimized - Input: Bosphorus 1080p

Clang 12GCC 11.1OpenBenchmarking.orgFrames Per Second, More Is BetterSVT-VP9 0.3Tuning: VMAF Optimized - Input: Bosphorus 1080p-O3 -march=native-O3 -march=native -flto-O250100150200250SE +/- 0.32, N = 3SE +/- 0.70, N = 3SE +/- 0.33, N = 3SE +/- 0.46, N = 3SE +/- 0.09, N = 3SE +/- 0.18, N = 3234.71232.66231.35231.16230.53230.431. (CC) gcc options: -O3 -fcommon -fPIE -fPIC -fvisibility=hidden -O2 -pie -rdynamic -lpthread -lrt -lm

PJSIP

Method: OPTIONS, Stateful

GCC 11.1Clang 12OpenBenchmarking.orgResponses Per Second, More Is BetterPJSIP 2.11Method: OPTIONS, Stateful-O3 -march=native-O2-O3 -march=native -flto2K4K6K8K10KSE +/- 21.79, N = 3SE +/- 56.75, N = 3SE +/- 72.34, N = 3SE +/- 47.54, N = 3SE +/- 27.78, N = 3798279167860795879421. (CC) gcc options: -lstdc++ -lssl -lcrypto -lm -lrt -lpthread

Himeno Benchmark

Poisson Pressure Solver

GCC 11.1Clang 12OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure Solver-O3 -march=native -flto-O3 -march=native-O212002400360048006000SE +/- 68.97, N = 15SE +/- 90.91, N = 15SE +/- 83.12, N = 15SE +/- 96.57, N = 13SE +/- 66.92, N = 15SE +/- 62.44, N = 155445.645314.735120.945289.925192.194877.311. (CC) gcc options: -O3 -mavx2

Phoronix Test Suite v10.8.5