AMD Ryzen Threadripper 3960X GCC vs. LLVM Clang compiler 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 1912235-PTS-THREADRI74 Threadripper EOY2019 Clang vs. GCC - Phoronix Test Suite Threadripper EOY2019 Clang vs. GCC AMD Ryzen Threadripper 3960X GCC vs. LLVM Clang compiler benchmarks by Michael Larabel for a future article.
HTML result view exported from: https://openbenchmarking.org/result/1912235-PTS-THREADRI74&rdt&grr .
Threadripper EOY2019 Clang vs. GCC Processor Motherboard Chipset Memory Disk Graphics Audio Monitor Network OS Kernel Desktop Display Server Display Driver OpenGL Compiler File-System Screen Resolution GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 AMD Ryzen Threadripper 3960X 24-Core @ 3.80GHz (24 Cores / 48 Threads) MSI Creator TRX40 (MS-7C59) v1.0 (1.12N1 BIOS) AMD Starship/Matisse 32768MB 1000GB Sabrent Rocket 4.0 1TB Gigabyte AMD Radeon 540/540X/550/550X / RX 540X/550/550X 2GB (1206/1750MHz) AMD Baffin HDMI/DP ASUS VP28U Aquantia AQC107 NBase-T/IEEE + Intel I211 + Intel Device 2723 Ubuntu 19.10 5.4.0-nvme-hwmon (x86_64) GNOME Shell 3.34.1 X Server 1.20.5 modesetting 1.20.5 4.5 Mesa 19.2.1 (LLVM 9.0.0) GCC 10.0.0 20191208 ext4 3840x2160 Clang 10.0.0 GCC 9.2.1 20191008 Clang 9.0.0 OpenBenchmarking.org Environment Details - CXXFLAGS="-O3 -march=native" CFLAGS="-O3 -march=native" Compiler Details - GCC 10.0.0 20191208: --disable-multilib --enable-checking=release - LLVM Clang 10.0 20191222: Optimized build; Default target: x86_64-unknown-linux-gnu; Host CPU: znver2 - GCC 9.2.1: --disable-multilib --enable-checking=release Disk Details - NONE / errors=remount-ro,relatime,rw Processor Details - Scaling Governor: acpi-cpufreq ondemand - CPU Microcode: 0x8301025 Python Details - Python 2.7.17rc1 + Python 3.7.5 Security Details - 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 STIBP: conditional RSB filling + tsx_async_abort: Not affected
Threadripper EOY2019 Clang vs. GCC cpp-perf-bench: Rand Numbers qmcpack: libgav1: Chimera 1080p 10-bit fftw: Float + SSE - 2D FFT Size 4096 cpp-perf-bench: Math Library pgbench: Buffer Test - Normal Load - Read Write rocksdb: Read While Writing libgav1: Chimera 1080p dav1d: Chimera 1080p 10-bit libgav1: Summer Nature 4K fftw: Stock - 2D FFT Size 4096 vpxenc: vpxenc VP9 1080p Video Encode byte: Dhrystone 2 aom-av1: AV1 Video Encoding mkl-dnn: Convolution Batch conv_googlenet_v3 - f32 mt-dgemm: Sustained Floating-Point Rate pgbench: Buffer Test - Normal Load - Read Only himeno: Poisson Pressure Solver askap: tConvolve MT - Degridding askap: tConvolve MT - Gridding gromacs: Water Benchmark cpp-perf-bench: Stepanov Vector mrbayes: Primate Phylogeny Analysis ttsiod-renderer: Phong Rendering With Soft-Shadow Mapping aobench: 2048 x 2048 - Total Time rocksdb: Rand Fill Sync rocksdb: Rand Fill rocksdb: Rand Read build-php: Time To Compile sqlite-speedtest: Timed Time - Size 1,000 cpp-perf-bench: Atol parboil: OpenMP MRI Gridding stockfish: Total Time libgav1: Summer Nature 1080p nginx: Static Web Page Serving rocksdb: Seq Fill rodinia: OpenMP Streamcluster mkl-dnn: Recurrent Neural Network Training - f32 lczero: BLAS minife: Small cpp-perf-bench: Ctype john-the-ripper: Blowfish apache: Static Web Page Serving cpp-perf-bench: Stepanov Abstraction c-ray: Total Time - 4K, 16 Rays Per Pixel crafty: Elapsed Time tungsten: Water Caustic openssl: RSA 4096-bit Performance compress-xz: Compressing ubuntu-16.04.3-server-i386.img, Compression Level 9 dav1d: Chimera 1080p mkl-dnn: Convolution Batch conv_alexnet - f32 build-imagemagick: Time To Compile mkl-dnn: IP Batch 1D - f32 cpp-perf-bench: Function Objects sqlite: 1 smallpt: Global Illumination Renderer; 128 Samples encode-flac: WAV To FLAC dav1d: Summer Nature 4K askap: tConvolve OpenMP - Degridding askap: tConvolve OpenMP - Gridding lczero: Rand rodinia: OpenMP LavaMD compress-zstd: Compressing ubuntu-16.04.3-server-i386.img, Compression Level 19 tungsten: Hair rodinia: OpenMP CFD Solver encode-mp3: WAV To MP3 x265: H.265 1080p Video Encoding parboil: OpenMP Stencil x264: H.264 Video Encoding dav1d: Summer Nature 1080p n-queens: Elapsed Time tungsten: Volumetric Caustic tungsten: Non-Exponential tscp: AI Chess Performance parboil: OpenMP CUTCP GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 1061.480 1878.1 21.93 20287 262.968 15513.440423 4945916 51.70 94.47 23.89 8135.2 195.63 48002215.1 0.15 52.4691 8.863183 673644.958285 4898.170821 3339.33 1943.58 2.515 76.263 69.786 961.974 27.389 24277 930897 145368967 50.242 57.116 58.278 62.941657 80909082 77.92 43035.46 1024733 19.069 194.077 29.3289 7767.98 32.311 41784 34157.76 28.295 19.134 9027835 18.2157 7173.7 20.042 612.94 124.282 15.064 1.86131 13.838 14.235 4.775 8.042 289.29 3716.33 5255.51 105805 10.085 10.052 9.44960 9.185 6.701 65.74 7.551706 199.22 676.37 4.378 3.96697 3.36927 1345991 1.257410 1282.033 23.11 258.404 14868.678849 46.69 74.45 21.17 207.68 0.15 668836.605453 4866.903427 66.782 70.706 31.745 78.178 59.906 57.843 70.28 43580.60 29.795 1932 34327.90 25.864 30.839 19.1580 5189.1 19.687 625.11 20.905 14.764 14.248 7.145 291.76 10.107 8.72625 7.788 67.11 196.10 685.40 3.72488 4.05176 1528248 1069.483 1893.6 22.01 24184 269.484 30910.991785 4950890 51.84 99.72 23.74 8111.6 197.37 48969411.2 0.14 52.2820 8.385972 654500.676350 4583.346212 3376.27 1955.97 2.516 77.501 70.330 935.123 28.620 24368 1023335 142287766 44.939 56.169 57.473 49.000965 76737462 77.11 43426.72 1083649 19.761 194.766 32.7598 7777.50 32.220 41482 34228.50 28.523 19.155 8959937 19.1975 7178.8 19.753 587.24 125.008 13.505 1.73710 14.816 14.252 3.492 8.073 285.28 4096.25 5509.3 105996 10.101 10.040 9.70952 9.151 6.729 64.69 7.576396 197.93 667.33 4.429 4.07902 3.37419 1373089 1.257716 1296.984 2262.8 24.19 23559 260.638 31491.377190 52.47 73.36 23.94 7531.2 207.78 0.15 51.3284 0.791403 675821.095833 4983.281786 67.108 64.854 69.8522 31.585 64.763 58.332 57.995 81336054 78.57 43783.30 18.818 145.850 33.3033 8037.33 29.085 60586 34144.39 26.033 30.972 19.3485 7191.6 19.685 623.05 118.989 13.531 1.67315 14.698 14.200 7.192 288.60 100236.8 9.817 8.70024 9.633 7.951 66.27 198.29 674.39 3.68186 4.07043 1487001 OpenBenchmarking.org
CppPerformanceBenchmarks Test: Random Numbers OpenBenchmarking.org Seconds, Fewer Is Better CppPerformanceBenchmarks 9 Test: Random Numbers GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 300 600 900 1200 1500 SE +/- 10.04, N = 3 SE +/- 12.43, N = 3 SE +/- 2.69, N = 3 SE +/- 0.16, N = 3 1061.48 1282.03 1069.48 1296.98 1. (CXX) g++ options: -O3 -march=native -std=c++11
QMCPACK OpenBenchmarking.org Total Execution Time - Seconds, Fewer Is Better QMCPACK 3.8 GCC 10.0.0 20191208 GCC 9.2.1 LLVM Clang 9.0.0 500 1000 1500 2000 2500 1878.1 1893.6 2262.8 -finline-limit=1000 -funroll-all-loops -finline-limit=1000 -funroll-all-loops 1. (CXX) g++ options: -O3 -march=native -fopenmp -fomit-frame-pointer -fstrict-aliasing -ffast-math -lm
libgav1 Video Input: Chimera 1080p 10-bit OpenBenchmarking.org FPS, More Is Better libgav1 2019-10-05 Video Input: Chimera 1080p 10-bit GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 6 12 18 24 30 SE +/- 0.04, N = 3 SE +/- 0.07, N = 3 SE +/- 0.04, N = 3 SE +/- 0.09, N = 3 21.93 23.11 22.01 24.19 1. (CXX) g++ options: -O3 -march=native -lpthread
FFTW Build: Float + SSE - Size: 2D FFT Size 4096 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 4096 GCC 10.0.0 20191208 GCC 9.2.1 LLVM Clang 9.0.0 5K 10K 15K 20K 25K SE +/- 239.62, N = 3 SE +/- 309.06, N = 4 SE +/- 404.65, N = 3 20287 24184 23559 1. (CC) gcc options: -pthread -O3 -march=native -lm
CppPerformanceBenchmarks Test: Math Library OpenBenchmarking.org Seconds, Fewer Is Better CppPerformanceBenchmarks 9 Test: Math Library GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 60 120 180 240 300 SE +/- 0.29, N = 3 SE +/- 2.46, N = 3 SE +/- 0.45, N = 3 SE +/- 0.41, N = 3 262.97 258.40 269.48 260.64 1. (CXX) g++ options: -O3 -march=native -std=c++11
PostgreSQL pgbench Scaling: Buffer Test - Test: Normal Load - Mode: Read Write OpenBenchmarking.org TPS, More Is Better PostgreSQL pgbench 12.0 Scaling: Buffer Test - Test: Normal Load - Mode: Read Write GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 7K 14K 21K 28K 35K SE +/- 2238.03, N = 12 SE +/- 1738.68, N = 15 SE +/- 77.46, N = 3 SE +/- 127.72, N = 3 15513.44 14868.68 30910.99 31491.38 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O3 -march=native -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm
Facebook RocksDB Test: Read While Writing OpenBenchmarking.org Op/s, More Is Better Facebook RocksDB 6.3.6 Test: Read While Writing GCC 10.0.0 20191208 GCC 9.2.1 1.1M 2.2M 3.3M 4.4M 5.5M SE +/- 38218.40, N = 15 SE +/- 73789.66, N = 4 4945916 4950890 1. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
libgav1 Video Input: Chimera 1080p OpenBenchmarking.org FPS, More Is Better libgav1 2019-10-05 Video Input: Chimera 1080p GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 12 24 36 48 60 SE +/- 0.08, N = 3 SE +/- 0.03, N = 3 SE +/- 0.11, N = 3 SE +/- 0.11, N = 3 51.70 46.69 51.84 52.47 1. (CXX) g++ options: -O3 -march=native -lpthread
dav1d Video Input: Chimera 1080p 10-bit OpenBenchmarking.org FPS, More Is Better dav1d 0.5.0 Video Input: Chimera 1080p 10-bit GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 20 40 60 80 100 SE +/- 0.13, N = 3 SE +/- 0.12, N = 3 SE +/- 0.24, N = 3 SE +/- 0.07, N = 3 94.47 74.45 99.72 73.36 MIN: 56.43 / MAX: 192.99 MIN: 45.96 / MAX: 154.32 MIN: 60.51 / MAX: 199.48 MIN: 45.63 / MAX: 149.13 1. (CC) gcc options: -O3 -march=native -pthread
libgav1 Video Input: Summer Nature 4K OpenBenchmarking.org FPS, More Is Better libgav1 2019-10-05 Video Input: Summer Nature 4K GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 6 12 18 24 30 SE +/- 0.02, N = 3 SE +/- 0.05, N = 3 SE +/- 0.02, N = 3 SE +/- 0.02, N = 3 23.89 21.17 23.74 23.94 1. (CXX) g++ options: -O3 -march=native -lpthread
FFTW Build: Stock - Size: 2D FFT Size 4096 OpenBenchmarking.org Mflops, More Is Better FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 4096 GCC 10.0.0 20191208 GCC 9.2.1 LLVM Clang 9.0.0 2K 4K 6K 8K 10K SE +/- 76.26, N = 3 SE +/- 26.44, N = 3 SE +/- 24.98, N = 3 8135.2 8111.6 7531.2 1. (CC) gcc options: -pthread -O3 -march=native -lm
VP9 libvpx Encoding vpxenc VP9 1080p Video Encode OpenBenchmarking.org Frames Per Second, More Is Better VP9 libvpx Encoding 1.8.1 vpxenc VP9 1080p Video Encode GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 50 100 150 200 250 SE +/- 1.29, N = 3 SE +/- 1.73, N = 15 SE +/- 1.49, N = 3 SE +/- 1.20, N = 3 195.63 207.68 197.37 207.78 1. (CXX) g++ options: -m64 -lm -lpthread -O3 -march=native -fPIC -U_FORTIFY_SOURCE -std=c++11
BYTE Unix Benchmark Computational Test: Dhrystone 2 OpenBenchmarking.org LPS, More Is Better BYTE Unix Benchmark 3.6 Computational Test: Dhrystone 2 GCC 10.0.0 20191208 GCC 9.2.1 10M 20M 30M 40M 50M SE +/- 638551.10, N = 4 SE +/- 70447.90, N = 3 48002215.1 48969411.2 1. (CC) gcc options: -O3 -march=native
AOM AV1 AV1 Video Encoding OpenBenchmarking.org Frames Per Second, More Is Better AOM AV1 2019-09-16 AV1 Video Encoding GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 0.0338 0.0676 0.1014 0.1352 0.169 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 0.15 0.15 0.14 0.15 1. (CXX) g++ options: -O3 -march=native -std=c++11 -U_FORTIFY_SOURCE -lm -lpthread
MKL-DNN DNNL Harness: Convolution Batch conv_googlenet_v3 - Data Type: f32 OpenBenchmarking.org ms, Fewer Is Better MKL-DNN DNNL 1.1 Harness: Convolution Batch conv_googlenet_v3 - Data Type: f32 GCC 10.0.0 20191208 GCC 9.2.1 LLVM Clang 9.0.0 12 24 36 48 60 SE +/- 0.24, N = 3 SE +/- 0.18, N = 3 SE +/- 0.11, N = 3 52.47 52.28 51.33 -fopenmp - MIN: 51.43 -fopenmp - MIN: 51.18 -fopenmp=libomp - MIN: 50.48 1. (CXX) g++ options: -O3 -march=native -std=c++11 -msse4.1 -fPIC -pie -lpthread -ldl
ACES DGEMM Sustained Floating-Point Rate OpenBenchmarking.org GFLOP/s, More Is Better ACES DGEMM 1.0 Sustained Floating-Point Rate GCC 10.0.0 20191208 GCC 9.2.1 LLVM Clang 9.0.0 2 4 6 8 10 SE +/- 0.059593, N = 3 SE +/- 0.037368, N = 3 SE +/- 0.007958, N = 3 8.863183 8.385972 0.791403 1. (CC) gcc options: -O3 -march=native -fopenmp
PostgreSQL pgbench Scaling: Buffer Test - Test: Normal Load - Mode: Read Only OpenBenchmarking.org TPS, More Is Better PostgreSQL pgbench 12.0 Scaling: Buffer Test - Test: Normal Load - Mode: Read Only GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 140K 280K 420K 560K 700K SE +/- 876.37, N = 3 SE +/- 1018.99, N = 3 SE +/- 1703.60, N = 3 SE +/- 2145.94, N = 3 673644.96 668836.61 654500.68 675821.10 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O3 -march=native -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm
Himeno Benchmark Poisson Pressure Solver OpenBenchmarking.org MFLOPS, More Is Better Himeno Benchmark 3.0 Poisson Pressure Solver GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 1100 2200 3300 4400 5500 SE +/- 51.56, N = 7 SE +/- 77.03, N = 3 SE +/- 61.37, N = 3 SE +/- 84.96, N = 3 4898.17 4866.90 4583.35 4983.28 1. (CC) gcc options: -O3 -march=native -mavx2
ASKAP Test: tConvolve MT - Degridding OpenBenchmarking.org Million Grid Points Per Second, More Is Better ASKAP 2018-11-10 Test: tConvolve MT - Degridding GCC 10.0.0 20191208 GCC 9.2.1 700 1400 2100 2800 3500 SE +/- 13.81, N = 3 SE +/- 2.38, N = 3 3339.33 3376.27 1. (CXX) g++ options: -lpthread
ASKAP Test: tConvolve MT - Gridding OpenBenchmarking.org Million Grid Points Per Second, More Is Better ASKAP 2018-11-10 Test: tConvolve MT - Gridding GCC 10.0.0 20191208 GCC 9.2.1 400 800 1200 1600 2000 SE +/- 10.21, N = 3 SE +/- 1.51, N = 3 1943.58 1955.97 1. (CXX) g++ options: -lpthread
GROMACS Water Benchmark OpenBenchmarking.org Ns Per Day, More Is Better GROMACS 2019.4 Water Benchmark GCC 10.0.0 20191208 GCC 9.2.1 0.5661 1.1322 1.6983 2.2644 2.8305 SE +/- 0.005, N = 3 SE +/- 0.001, N = 3 2.515 2.516 1. (CXX) g++ options: -mavx2 -mfma -O3 -march=native -std=c++11 -funroll-all-loops -pthread -lrt -lpthread -lm
CppPerformanceBenchmarks Test: Stepanov Vector OpenBenchmarking.org Seconds, Fewer Is Better CppPerformanceBenchmarks 9 Test: Stepanov Vector GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 20 40 60 80 100 SE +/- 0.05, N = 3 SE +/- 0.04, N = 3 SE +/- 0.03, N = 3 SE +/- 0.01, N = 3 76.26 66.78 77.50 67.11 1. (CXX) g++ options: -O3 -march=native -std=c++11
Timed MrBayes Analysis Primate Phylogeny Analysis OpenBenchmarking.org Seconds, Fewer Is Better Timed MrBayes Analysis 3.2.7 Primate Phylogeny Analysis GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 16 32 48 64 80 SE +/- 0.32, N = 3 SE +/- 0.32, N = 3 SE +/- 0.27, N = 3 SE +/- 0.36, N = 3 69.79 70.71 70.33 64.85 -mabm -mabm 1. (CC) gcc options: -mmmx -msse -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -msse4a -msha -maes -mavx -mfma -mavx2 -mrdrnd -mbmi -mbmi2 -madx -O3 -std=c99 -pedantic -march=native -lm
TTSIOD 3D Renderer Phong Rendering With Soft-Shadow Mapping OpenBenchmarking.org FPS, More Is Better TTSIOD 3D Renderer 2.3b Phong Rendering With Soft-Shadow Mapping GCC 10.0.0 20191208 GCC 9.2.1 LLVM Clang 9.0.0 200 400 600 800 1000 SE +/- 1.33, N = 3 SE +/- 2.99, N = 3 SE +/- 0.09, N = 3 961.97 935.12 69.85 1. (CXX) g++ options: -O3 -march=native -fomit-frame-pointer -ffast-math -mtune=native -flto -msse -mrecip -mfpmath=sse -msse2 -mssse3 -lSDL -fopenmp -fwhole-program -lstdc++
AOBench Size: 2048 x 2048 - Total Time OpenBenchmarking.org Seconds, Fewer Is Better AOBench Size: 2048 x 2048 - Total Time GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 7 14 21 28 35 SE +/- 0.04, N = 3 SE +/- 0.45, N = 15 SE +/- 0.30, N = 3 SE +/- 0.01, N = 3 27.39 31.75 28.62 31.59 1. (CC) gcc options: -lm -O3 -march=native
Facebook RocksDB Test: Random Fill Sync OpenBenchmarking.org Op/s, More Is Better Facebook RocksDB 6.3.6 Test: Random Fill Sync GCC 10.0.0 20191208 GCC 9.2.1 5K 10K 15K 20K 25K SE +/- 40.43, N = 3 SE +/- 29.29, N = 3 24277 24368 1. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
Facebook RocksDB Test: Random Fill OpenBenchmarking.org Op/s, More Is Better Facebook RocksDB 6.3.6 Test: Random Fill GCC 10.0.0 20191208 GCC 9.2.1 200K 400K 600K 800K 1000K SE +/- 13468.75, N = 3 SE +/- 4040.85, N = 3 930897 1023335 1. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
Facebook RocksDB Test: Random Read OpenBenchmarking.org Op/s, More Is Better Facebook RocksDB 6.3.6 Test: Random Read GCC 10.0.0 20191208 GCC 9.2.1 30M 60M 90M 120M 150M SE +/- 467553.12, N = 3 SE +/- 234281.58, N = 3 145368967 142287766 1. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
Timed PHP Compilation Time To Compile OpenBenchmarking.org Seconds, Fewer Is Better Timed PHP Compilation 7.1.9 Time To Compile GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 20 40 60 80 100 SE +/- 0.08, N = 3 SE +/- 0.12, N = 3 SE +/- 0.08, N = 3 SE +/- 0.24, N = 3 50.24 78.18 44.94 64.76 1. (CC) gcc options: -O3 -march=native -pedantic -ldl -lz -lm
SQLite Speedtest Timed Time - Size 1,000 OpenBenchmarking.org Seconds, Fewer Is Better SQLite Speedtest 3.30 Timed Time - Size 1,000 GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 13 26 39 52 65 SE +/- 0.10, N = 3 SE +/- 0.13, N = 3 SE +/- 0.46, N = 3 SE +/- 0.44, N = 3 57.12 59.91 56.17 58.33 1. (CC) gcc options: -O3 -march=native -ldl -lz -lpthread
CppPerformanceBenchmarks Test: Atol OpenBenchmarking.org Seconds, Fewer Is Better CppPerformanceBenchmarks 9 Test: Atol GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 13 26 39 52 65 SE +/- 0.27, N = 3 SE +/- 0.26, N = 3 SE +/- 0.20, N = 3 SE +/- 0.25, N = 3 58.28 57.84 57.47 58.00 1. (CXX) g++ options: -O3 -march=native -std=c++11
Parboil Test: OpenMP MRI Gridding OpenBenchmarking.org Seconds, Fewer Is Better Parboil 2.5 Test: OpenMP MRI Gridding GCC 10.0.0 20191208 GCC 9.2.1 14 28 42 56 70 SE +/- 0.24, N = 3 SE +/- 0.15, N = 3 62.94 49.00 1. (CXX) g++ options: -lm -lpthread -lgomp -O3 -ffast-math -fopenmp
Stockfish Total Time OpenBenchmarking.org Nodes Per Second, More Is Better Stockfish 9 Total Time GCC 10.0.0 20191208 GCC 9.2.1 LLVM Clang 9.0.0 20M 40M 60M 80M 100M SE +/- 1221575.84, N = 3 SE +/- 74252.03, N = 3 SE +/- 194228.81, N = 3 80909082 76737462 81336054 1. (CXX) g++ options: -m64 -lpthread -O3 -march=native -fno-exceptions -std=c++11 -pedantic -msse -msse3 -mpopcnt -flto
libgav1 Video Input: Summer Nature 1080p OpenBenchmarking.org FPS, More Is Better libgav1 2019-10-05 Video Input: Summer Nature 1080p GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 20 40 60 80 100 SE +/- 0.09, N = 3 SE +/- 0.10, N = 3 SE +/- 0.04, N = 3 SE +/- 0.22, N = 3 77.92 70.28 77.11 78.57 1. (CXX) g++ options: -O3 -march=native -lpthread
NGINX Benchmark Static Web Page Serving OpenBenchmarking.org Requests Per Second, More Is Better NGINX Benchmark 1.9.9 Static Web Page Serving GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 9K 18K 27K 36K 45K SE +/- 490.20, N = 3 SE +/- 238.62, N = 3 SE +/- 457.53, N = 3 SE +/- 326.86, N = 3 43035.46 43580.60 43426.72 43783.30 1. (CC) gcc options: -lpthread -lcrypt -lcrypto -lz -O3 -march=native
Facebook RocksDB Test: Sequential Fill OpenBenchmarking.org Op/s, More Is Better Facebook RocksDB 6.3.6 Test: Sequential Fill GCC 10.0.0 20191208 GCC 9.2.1 200K 400K 600K 800K 1000K SE +/- 4276.33, N = 3 SE +/- 10427.62, N = 3 1024733 1083649 1. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
Rodinia Test: OpenMP Streamcluster OpenBenchmarking.org Seconds, Fewer Is Better Rodinia 2.4 Test: OpenMP Streamcluster GCC 10.0.0 20191208 GCC 9.2.1 LLVM Clang 9.0.0 5 10 15 20 25 SE +/- 0.02, N = 3 SE +/- 0.54, N = 15 SE +/- 0.06, N = 3 19.07 19.76 18.82 -O2 -lOpenCL -O2 -lOpenCL -O3 -fopenmp 1. (CXX) g++ options:
MKL-DNN DNNL Harness: Recurrent Neural Network Training - Data Type: f32 OpenBenchmarking.org ms, Fewer Is Better MKL-DNN DNNL 1.1 Harness: Recurrent Neural Network Training - Data Type: f32 GCC 10.0.0 20191208 GCC 9.2.1 LLVM Clang 9.0.0 40 80 120 160 200 SE +/- 0.39, N = 3 SE +/- 0.16, N = 3 SE +/- 0.38, N = 3 194.08 194.77 145.85 -fopenmp - MIN: 192.29 -fopenmp - MIN: 192.97 -fopenmp=libomp - MIN: 143.95 1. (CXX) g++ options: -O3 -march=native -std=c++11 -msse4.1 -fPIC -pie -lpthread -ldl
LeelaChessZero Backend: BLAS OpenBenchmarking.org Nodes Per Second, More Is Better LeelaChessZero 0.22.0 Backend: BLAS GCC 10.0.0 20191208 GCC 9.2.1 LLVM Clang 9.0.0 8 16 24 32 40 SE +/- 0.41, N = 3 SE +/- 0.56, N = 12 SE +/- 0.60, N = 15 29.33 32.76 33.30 1. (CXX) g++ options: -O3 -march=native -lpthread
miniFE Problem Size: Small OpenBenchmarking.org CG Mflops, More Is Better miniFE 2.2 Problem Size: Small GCC 10.0.0 20191208 GCC 9.2.1 LLVM Clang 9.0.0 2K 4K 6K 8K 10K SE +/- 4.74, N = 3 SE +/- 9.20, N = 3 SE +/- 3.20, N = 3 7767.98 7777.50 8037.33 1. (CXX) g++ options: -O3 -fopenmp -pthread -lmpi_cxx -lmpi
CppPerformanceBenchmarks Test: Ctype OpenBenchmarking.org Seconds, Fewer Is Better CppPerformanceBenchmarks 9 Test: Ctype GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 8 16 24 32 40 SE +/- 0.04, N = 3 SE +/- 0.30, N = 3 SE +/- 0.00, N = 3 SE +/- 0.01, N = 3 32.31 29.80 32.22 29.09 1. (CXX) g++ options: -O3 -march=native -std=c++11
John The Ripper Test: Blowfish OpenBenchmarking.org Real C/S, More Is Better John The Ripper 1.9.0-jumbo-1 Test: Blowfish GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 13K 26K 39K 52K 65K SE +/- 170.74, N = 3 SE +/- 3.28, N = 3 SE +/- 184.04, N = 3 SE +/- 246.24, N = 3 41784 1932 41482 60586 -fopenmp -fopenmp -fopenmp 1. (CC) gcc options: -m64 -lssl -lcrypto -lgmp -pthread -lm -lz -ldl -lcrypt
Apache Benchmark Static Web Page Serving OpenBenchmarking.org Requests Per Second, More Is Better Apache Benchmark 2.4.29 Static Web Page Serving GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 7K 14K 21K 28K 35K SE +/- 54.98, N = 3 SE +/- 71.82, N = 3 SE +/- 27.04, N = 3 SE +/- 32.67, N = 3 34157.76 34327.90 34228.50 34144.39 1. (CC) gcc options: -shared -fPIC -pthread -O3 -march=native
CppPerformanceBenchmarks Test: Stepanov Abstraction OpenBenchmarking.org Seconds, Fewer Is Better CppPerformanceBenchmarks 9 Test: Stepanov Abstraction GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 7 14 21 28 35 SE +/- 0.02, N = 3 SE +/- 0.01, N = 3 SE +/- 0.05, N = 3 SE +/- 0.01, N = 3 28.30 25.86 28.52 26.03 1. (CXX) g++ options: -O3 -march=native -std=c++11
C-Ray Total Time - 4K, 16 Rays Per Pixel OpenBenchmarking.org Seconds, Fewer Is Better C-Ray 1.1 Total Time - 4K, 16 Rays Per Pixel GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 7 14 21 28 35 SE +/- 0.05, N = 3 SE +/- 0.13, N = 3 SE +/- 0.05, N = 3 SE +/- 0.11, N = 3 19.13 30.84 19.16 30.97 1. (CC) gcc options: -lm -lpthread -O3 -march=native
Crafty Elapsed Time OpenBenchmarking.org Nodes Per Second, More Is Better Crafty 25.2 Elapsed Time GCC 10.0.0 20191208 GCC 9.2.1 2M 4M 6M 8M 10M SE +/- 15301.93, N = 3 SE +/- 11113.29, N = 3 9027835 8959937 1. (CC) gcc options: -pthread -lstdc++ -fprofile-use -lm
Tungsten Renderer Scene: Water Caustic OpenBenchmarking.org Seconds, Fewer Is Better Tungsten Renderer 0.2.2 Scene: Water Caustic GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 5 10 15 20 25 SE +/- 0.03, N = 3 SE +/- 0.04, N = 3 SE +/- 0.02, N = 3 SE +/- 0.02, N = 3 18.22 19.16 19.20 19.35 -fstrict-aliasing -fstrict-aliasing 1. (CXX) g++ options: -O3 -march=native -std=c++0x -march=znver1 -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -msse4a -mfma -mbmi2 -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
OpenSSL RSA 4096-bit Performance OpenBenchmarking.org Signs Per Second, More Is Better OpenSSL 1.1.1 RSA 4096-bit Performance GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 1500 3000 4500 6000 7500 SE +/- 20.75, N = 3 SE +/- 21.60, N = 3 SE +/- 21.05, N = 3 SE +/- 29.40, N = 3 7173.7 5189.1 7178.8 7191.6 -Qunused-arguments -Qunused-arguments 1. (CC) gcc options: -pthread -m64 -O3 -march=native -lssl -lcrypto -ldl
XZ Compression Compressing ubuntu-16.04.3-server-i386.img, Compression Level 9 OpenBenchmarking.org Seconds, Fewer Is Better XZ Compression 5.2.4 Compressing ubuntu-16.04.3-server-i386.img, Compression Level 9 GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 5 10 15 20 25 SE +/- 0.16, N = 3 SE +/- 0.02, N = 3 SE +/- 0.01, N = 3 SE +/- 0.02, N = 3 20.04 19.69 19.75 19.69 1. (CC) gcc options: -pthread -fvisibility=hidden -O3 -march=native
dav1d Video Input: Chimera 1080p OpenBenchmarking.org FPS, More Is Better dav1d 0.5.0 Video Input: Chimera 1080p GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 130 260 390 520 650 SE +/- 4.43, N = 3 SE +/- 1.62, N = 3 SE +/- 2.39, N = 3 SE +/- 2.49, N = 3 612.94 625.11 587.24 623.05 MIN: 452.17 / MAX: 769.81 MIN: 468.04 / MAX: 781 MIN: 439.81 / MAX: 722.49 MIN: 475.37 / MAX: 782.95 1. (CC) gcc options: -O3 -march=native -pthread
MKL-DNN DNNL Harness: Convolution Batch conv_alexnet - Data Type: f32 OpenBenchmarking.org ms, Fewer Is Better MKL-DNN DNNL 1.1 Harness: Convolution Batch conv_alexnet - Data Type: f32 GCC 10.0.0 20191208 GCC 9.2.1 LLVM Clang 9.0.0 30 60 90 120 150 SE +/- 1.45, N = 3 SE +/- 1.55, N = 3 SE +/- 0.15, N = 3 124.28 125.01 118.99 -fopenmp - MIN: 122.25 -fopenmp - MIN: 122.48 -fopenmp=libomp - MIN: 118.28 1. (CXX) g++ options: -O3 -march=native -std=c++11 -msse4.1 -fPIC -pie -lpthread -ldl
Timed ImageMagick Compilation Time To Compile OpenBenchmarking.org Seconds, Fewer Is Better Timed ImageMagick Compilation 6.9.0 Time To Compile GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 5 10 15 20 25 SE +/- 0.04, N = 3 SE +/- 0.08, N = 3 SE +/- 0.08, N = 3 SE +/- 0.07, N = 3 15.06 20.91 13.51 13.53
MKL-DNN DNNL Harness: IP Batch 1D - Data Type: f32 OpenBenchmarking.org ms, Fewer Is Better MKL-DNN DNNL 1.1 Harness: IP Batch 1D - Data Type: f32 GCC 10.0.0 20191208 GCC 9.2.1 LLVM Clang 9.0.0 0.4188 0.8376 1.2564 1.6752 2.094 SE +/- 0.00636, N = 3 SE +/- 0.00269, N = 3 SE +/- 0.00428, N = 3 1.86131 1.73710 1.67315 -fopenmp - MIN: 1.81 -fopenmp - MIN: 1.67 -fopenmp=libomp - MIN: 1.62 1. (CXX) g++ options: -O3 -march=native -std=c++11 -msse4.1 -fPIC -pie -lpthread -ldl
CppPerformanceBenchmarks Test: Function Objects OpenBenchmarking.org Seconds, Fewer Is Better CppPerformanceBenchmarks 9 Test: Function Objects GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 4 8 12 16 20 SE +/- 0.01, N = 3 SE +/- 0.00, N = 3 SE +/- 0.15, N = 3 SE +/- 0.01, N = 3 13.84 14.76 14.82 14.70 1. (CXX) g++ options: -O3 -march=native -std=c++11
SQLite Threads / Copies: 1 OpenBenchmarking.org Seconds, Fewer Is Better SQLite 3.30.1 Threads / Copies: 1 GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 4 8 12 16 20 SE +/- 0.03, N = 3 SE +/- 0.01, N = 3 SE +/- 0.04, N = 3 SE +/- 0.02, N = 3 14.24 14.25 14.25 14.20 1. (CC) gcc options: -O3 -march=native -lz -lm -ldl -lpthread
Smallpt Global Illumination Renderer; 128 Samples OpenBenchmarking.org Seconds, Fewer Is Better Smallpt 1.0 Global Illumination Renderer; 128 Samples GCC 10.0.0 20191208 GCC 9.2.1 1.0744 2.1488 3.2232 4.2976 5.372 SE +/- 0.107, N = 15 SE +/- 0.006, N = 3 4.775 3.492 1. (CXX) g++ options: -fopenmp -O3 -march=native
FLAC Audio Encoding WAV To FLAC OpenBenchmarking.org Seconds, Fewer Is Better FLAC Audio Encoding 1.3.2 WAV To FLAC GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 2 4 6 8 10 SE +/- 0.006, N = 5 SE +/- 0.003, N = 5 SE +/- 0.007, N = 5 SE +/- 0.005, N = 5 8.042 7.145 8.073 7.192 -fvisibility=hidden -fvisibility=hidden 1. (CXX) g++ options: -O3 -march=native -logg -lm
dav1d Video Input: Summer Nature 4K OpenBenchmarking.org FPS, More Is Better dav1d 0.5.0 Video Input: Summer Nature 4K GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 60 120 180 240 300 SE +/- 0.64, N = 3 SE +/- 0.34, N = 3 SE +/- 1.13, N = 3 SE +/- 0.37, N = 3 289.29 291.76 285.28 288.60 MIN: 172.47 / MAX: 306.73 MIN: 174.15 / MAX: 309.6 MIN: 168.88 / MAX: 304.29 MIN: 170.73 / MAX: 306.52 1. (CC) gcc options: -O3 -march=native -pthread
ASKAP Test: tConvolve OpenMP - Degridding OpenBenchmarking.org Million Grid Points Per Second, More Is Better ASKAP 2018-11-10 Test: tConvolve OpenMP - Degridding GCC 10.0.0 20191208 GCC 9.2.1 900 1800 2700 3600 4500 SE +/- 46.05, N = 3 SE +/- 0.00, N = 3 3716.33 4096.25 1. (CXX) g++ options: -lpthread
ASKAP Test: tConvolve OpenMP - Gridding OpenBenchmarking.org Million Grid Points Per Second, More Is Better ASKAP 2018-11-10 Test: tConvolve OpenMP - Gridding GCC 10.0.0 20191208 GCC 9.2.1 1200 2400 3600 4800 6000 SE +/- 34.80, N = 3 SE +/- 37.73, N = 3 5255.51 5509.30 1. (CXX) g++ options: -lpthread
LeelaChessZero Backend: Random OpenBenchmarking.org Nodes Per Second, More Is Better LeelaChessZero 0.22.0 Backend: Random GCC 10.0.0 20191208 GCC 9.2.1 LLVM Clang 9.0.0 20K 40K 60K 80K 100K SE +/- 275.83, N = 3 SE +/- 354.64, N = 3 SE +/- 553.66, N = 3 105805.0 105996.0 100236.8 1. (CXX) g++ options: -O3 -march=native -lpthread
Rodinia Test: OpenMP LavaMD OpenBenchmarking.org Seconds, Fewer Is Better Rodinia 2.4 Test: OpenMP LavaMD GCC 10.0.0 20191208 GCC 9.2.1 3 6 9 12 15 SE +/- 0.01, N = 3 SE +/- 0.02, N = 3 10.09 10.10 1. (CXX) g++ options: -O2 -lOpenCL
Zstd Compression Compressing ubuntu-16.04.3-server-i386.img, Compression Level 19 OpenBenchmarking.org Seconds, Fewer Is Better Zstd Compression 1.3.4 Compressing ubuntu-16.04.3-server-i386.img, Compression Level 19 GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 3 6 9 12 15 SE +/- 0.089, N = 3 SE +/- 0.033, N = 3 SE +/- 0.125, N = 3 SE +/- 0.100, N = 3 10.052 10.107 10.040 9.817 1. (CC) gcc options: -O3 -march=native -pthread -lz -llzma
Tungsten Renderer Scene: Hair OpenBenchmarking.org Seconds, Fewer Is Better Tungsten Renderer 0.2.2 Scene: Hair GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 3 6 9 12 15 SE +/- 0.03984, N = 3 SE +/- 0.01435, N = 3 SE +/- 0.02093, N = 3 SE +/- 0.01343, N = 3 9.44960 8.72625 9.70952 8.70024 -fstrict-aliasing -fstrict-aliasing 1. (CXX) g++ options: -O3 -march=native -std=c++0x -march=znver1 -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -msse4a -mfma -mbmi2 -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
Rodinia Test: OpenMP CFD Solver OpenBenchmarking.org Seconds, Fewer Is Better Rodinia 2.4 Test: OpenMP CFD Solver GCC 10.0.0 20191208 GCC 9.2.1 LLVM Clang 9.0.0 3 6 9 12 15 SE +/- 0.029, N = 3 SE +/- 0.052, N = 3 SE +/- 0.133, N = 3 9.185 9.151 9.633 -O2 -lOpenCL -O2 -lOpenCL -O3 -fopenmp 1. (CXX) g++ options:
LAME MP3 Encoding WAV To MP3 OpenBenchmarking.org Seconds, Fewer Is Better LAME MP3 Encoding 3.100 WAV To MP3 GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 2 4 6 8 10 SE +/- 0.007, N = 3 SE +/- 0.008, N = 3 SE +/- 0.012, N = 3 SE +/- 0.001, N = 6 6.701 7.788 6.729 7.951 -ffast-math -funroll-loops -fschedule-insns2 -fbranch-count-reg -fforce-addr -ffast-math -funroll-loops -fschedule-insns2 -fbranch-count-reg -fforce-addr -lncurses 1. (CC) gcc options: -O3 -pipe -march=native -lm
x265 H.265 1080p Video Encoding OpenBenchmarking.org Frames Per Second, More Is Better x265 3.1.2 H.265 1080p Video Encoding GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 15 30 45 60 75 SE +/- 0.29, N = 3 SE +/- 0.39, N = 3 SE +/- 0.10, N = 3 SE +/- 0.07, N = 3 65.74 67.11 64.69 66.27 1. (CXX) g++ options: -O3 -march=native -rdynamic -lpthread -lrt -ldl -lnuma
Parboil Test: OpenMP Stencil OpenBenchmarking.org Seconds, Fewer Is Better Parboil 2.5 Test: OpenMP Stencil GCC 10.0.0 20191208 GCC 9.2.1 2 4 6 8 10 SE +/- 0.036635, N = 3 SE +/- 0.021046, N = 3 7.551706 7.576396 1. (CXX) g++ options: -lm -lpthread -lgomp -O3 -ffast-math -fopenmp
x264 H.264 Video Encoding OpenBenchmarking.org Frames Per Second, More Is Better x264 2018-09-25 H.264 Video Encoding GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 40 80 120 160 200 SE +/- 2.04, N = 8 SE +/- 0.76, N = 3 SE +/- 0.53, N = 3 SE +/- 1.58, N = 12 199.22 196.10 197.93 198.29 -mstack-alignment=64 -mstack-alignment=64 1. (CC) gcc options: -ldl -m64 -lm -lpthread -O3 -ffast-math -march=native -std=gnu99 -fPIC -fomit-frame-pointer -fno-tree-vectorize
dav1d Video Input: Summer Nature 1080p OpenBenchmarking.org FPS, More Is Better dav1d 0.5.0 Video Input: Summer Nature 1080p GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 150 300 450 600 750 SE +/- 0.42, N = 3 SE +/- 2.78, N = 3 SE +/- 1.97, N = 3 SE +/- 1.73, N = 3 676.37 685.40 667.33 674.39 MIN: 396.97 / MAX: 738.73 MIN: 400.43 / MAX: 750.08 MIN: 387.89 / MAX: 728.98 MIN: 376.28 / MAX: 738.32 1. (CC) gcc options: -O3 -march=native -pthread
N-Queens Elapsed Time OpenBenchmarking.org Seconds, Fewer Is Better N-Queens 1.0 Elapsed Time GCC 10.0.0 20191208 GCC 9.2.1 0.9965 1.993 2.9895 3.986 4.9825 SE +/- 0.004, N = 3 SE +/- 0.007, N = 3 4.378 4.429 1. (CC) gcc options: -static -fopenmp -O3 -march=native
Tungsten Renderer Scene: Volumetric Caustic OpenBenchmarking.org Seconds, Fewer Is Better Tungsten Renderer 0.2.2 Scene: Volumetric Caustic GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 0.9178 1.8356 2.7534 3.6712 4.589 SE +/- 0.04581, N = 3 SE +/- 0.00780, N = 3 SE +/- 0.03613, N = 3 SE +/- 0.00668, N = 3 3.96697 3.72488 4.07902 3.68186 -fstrict-aliasing -fstrict-aliasing 1. (CXX) g++ options: -O3 -march=native -std=c++0x -march=znver1 -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -msse4a -mfma -mbmi2 -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
Tungsten Renderer Scene: Non-Exponential OpenBenchmarking.org Seconds, Fewer Is Better Tungsten Renderer 0.2.2 Scene: Non-Exponential GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 0.9158 1.8316 2.7474 3.6632 4.579 SE +/- 0.01371, N = 3 SE +/- 0.01369, N = 3 SE +/- 0.01280, N = 3 SE +/- 0.00501, N = 3 3.36927 4.05176 3.37419 4.07043 -fstrict-aliasing -fstrict-aliasing 1. (CXX) g++ options: -O3 -march=native -std=c++0x -march=znver1 -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -msse4a -mfma -mbmi2 -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
TSCP AI Chess Performance OpenBenchmarking.org Nodes Per Second, More Is Better TSCP 1.81 AI Chess Performance GCC 10.0.0 20191208 LLVM Clang 10.0 20191222 GCC 9.2.1 LLVM Clang 9.0.0 300K 600K 900K 1200K 1500K SE +/- 1231.70, N = 5 SE +/- 1690.40, N = 5 SE +/- 9469.71, N = 5 SE +/- 2711.28, N = 5 1345991 1528248 1373089 1487001 1. (CC) gcc options: -O3 -march=native
Parboil Test: OpenMP CUTCP OpenBenchmarking.org Seconds, Fewer Is Better Parboil 2.5 Test: OpenMP CUTCP GCC 10.0.0 20191208 GCC 9.2.1 0.283 0.566 0.849 1.132 1.415 SE +/- 0.007993, N = 3 SE +/- 0.002849, N = 3 1.257410 1.257716 1. (CXX) g++ options: -lm -lpthread -lgomp -O3 -ffast-math -fopenmp
Phoronix Test Suite v10.8.4