AMD EPYC Compiler Testing July 2018

AMD EPYC compiler benchmarks of GCC and LLVM Clang for a future article on Phoronix.

HTML result view exported from: https://openbenchmarking.org/result/1807239-RA-AMDEPYCCO61&grw&sro.

ProcessorMotherboardChipsetMemoryDiskGraphicsMonitorNetworkOSKernelCompilerFile-SystemScreen ResolutionClang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVN O2 O3 O3 native O2 O3 O3 native O2 O3 O3 native O2 O3 O3 nativeAMD EPYC 7601 32-Core @ 2.20GHz (32 Cores / 64 Threads)TYAN B8026T70AE24HR (V1.02.B10 BIOS)AMD Family 17h129024MB280GB INTEL SSDPE21D280GAASPEED ASPEED FamilyVE228Broadcom Limited NetXtreme BCM5720 Gigabit PCIeUbuntu 18.104.16.0-041600-generic (x86_64)Clang 6.0.1-2ubuntu1ext41920x1080Clang 7.0.0-svn337655-1~exp1+0~20180722164158.392~1.gbpcccb1bGCC 8.1.1 20180720GCC 9.0.0 20180720OpenBenchmarking.orgEnvironment Details- Clang 6.0: O2: CXXFLAGS=-O2 CFLAGS=-O2- Clang 6.0: O3: CXXFLAGS=-O3 CFLAGS=-O3- Clang 6.0: O3 native: CXXFLAGS=-O3-march=native CFLAGS=-O3-march=native- Clang 7.0 SVN: O2: CXXFLAGS=-O2 CFLAGS=-O2- Clang 7.0 SVN: O3: CXXFLAGS=-O3 CFLAGS=-O3- Clang 7.0 SVN: O3 native: CXXFLAGS=-O3-march=native CFLAGS=-O3-march=native- GCC 8.2 RC1: O2: CXXFLAGS=-O2 CFLAGS=-O2- GCC 8.2 RC1: O3: CXXFLAGS=-O3 CFLAGS=-O3- GCC 8.2 RC1: O3 native: CXXFLAGS=-O3-march=native CFLAGS=-O3-march=native- GCC 9.0 SVN: O2: CXXFLAGS=-O2 CFLAGS=-O2- GCC 9.0 SVN: O3: CXXFLAGS=-O3 CFLAGS=-O3- GCC 9.0 SVN: O3 native: CXXFLAGS=-O3-march=native CFLAGS=-O3-march=nativeDisk Details- NONE / data=ordered,errors=remount-ro,relatime,rwProcessor Details- Scaling Governor: acpi-cpufreq ondemandSecurity Details- __user pointer sanitization + Full AMD retpoline IBPB ProtectionCompiler Details- GCC 8.2 RC1: O2, GCC 8.2 RC1: O3, GCC 8.2 RC1: O3 native, GCC 9.0 SVN: O2, GCC 9.0 SVN: O3, GCC 9.0 SVN: O3 native: --disable-multilib --enable-checking=release

bullet: 3000 Fallbullet: 1000 Stackbullet: 136 Ragdollsbullet: 1000 Convexbullet: Prim Trimeshbullet: Convex Trimeshbullet: Rayteststscp: AI Chess Performancescimark2: Compositescimark2: Fast Fourier Transformscimark2: Jacobi Successive Over-Relaxationscimark2: Monte Carloscimark2: Sparse Matrix Multiplyscimark2: Dense LU Matrix Factorizationencode-flac: WAV To FLACencode-mp3: WAV To MP3tjbench: Decompression Throughputfftw: Stock - 1D FFT Size 1024fftw: Stock - 2D FFT Size 1024hmmer: Pfam Database Searchhimeno: Poisson Pressure Solverstockfish: Total Timecompress-7zip: Compress Speed Testcompress-zstd: Compressing ubuntu-16.04.3-server-i386.img, Compression Level 19m-queens: Time To Solveaobench: 2048 x 2048 - Total Timevpxenc: vpxencgraphics-magick: HWB Color Spacegraphics-magick: Blurgraphics-magick: Local Adaptive Thresholdinggraphics-magick: Resizinggraphics-magick: Sharpenc-ray: Total Timeapache: Static Web Page Servingopenssl: RSA 4096-bit Performanceredis: SETredis: GETredis: LPUSHredis: LPOPredis: SADDsqlite: Timed SQLite Insertionspgbench: Buffer Test - Single Thread - Read Writepgbench: Buffer Test - Single Thread - Read Onlypgbench: Buffer Test - Normal Load - Read Writepgbench: Buffer Test - Normal Load - Read Onlyebizzy: polybench-c: 3 Matrix Multiplicationspolybench-c: Correlation Computationpolybench-c: Covariance ComputationClang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVN O2 O3 O3 native O2 O3 O3 native O2 O3 O3 native O2 O3 O3 native5.256.233.205.481.131.363.269035191866.88216.151428.63532.082374.264783.3113.4610.95135.667063.975554.577.171031.6059641091163.4934.3062.4112.761671241121481524.6015902.134609.331295994.311687893.921116107.351137111.291473865.042.872004.5714207.7234974.51398197.4011203593.625.515.525.266.223.215.591.141.383.309035111879.72216.581429.11532.072390.814830.0213.4410.92137.907137.575580.007.221020.1160291206166.3034.4654.4212.731631231101441494.6115831.154613.731365561.591681341.871144334.751473113.751552252.602.901981.5714358.8834861.21400209.7011496473.605.525.525.106.003.155.261.111.333.199035191930.59218.081430.02552.762494.654957.4211.2112.23143.797642.136190.237.281037.4161194245155.1434.4953.3412.581711281121481564.5816132.404596.871325542.291745134.041081476.161478145.711546101.942.881960.8814066.1934997.96402318.5611234383.585.535.525.236.203.225.511.121.353.269088741867.27216.421428.41532.082393.454765.9713.3011.19140.067205.405467.237.061012.6959472686166.6334.1059.2912.671651221111421514.6015909.204605.931270556.751719598.561132026.191084289.131480263.172.881990.9714155.4035329.65399144.7111322973.755.555.535.226.213.215.521.121.353.269061941883.59216.391428.81532.042398.604842.1213.3711.04141.677179.435601.077.071013.4359991975165.8034.1155.6312.681631211101411484.5916012.334606.401250320.001680519.821128908.921406858.951588093.192.871954.2014199.1434746.37399268.5311930293.765.535.535.226.163.295.311.131.353.159085751893.02217.641430.68552.632416.534847.6111.3112.27144.587639.776143.007.291021.3962132976156.0934.0753.0312.721721291121501564.1216135.154590.071298197.361625444.501121722.401129647.461545221.082.891939.9714351.8035063.10405473.0411030903.685.545.545.066.003.145.511.121.363.178525971464.06220.52919.02561.792156.613462.3912.1514.05141.437194.375796.337.561014.665900731498480166.1232.2255.5212.432021481091811816.0015972.594609.301278916.541612387.561135840.671117326.831500041.042.871991.7114037.1536523.78396925.9111063913.625.555.535.066.023.145.521.121.363.188512831874.09221.301429.81561.852473.984683.5512.2711.13141.747176.775835.907.71998.895983751297917166.7032.0952.6012.361991471081751772.8415891.724609.731332541.961813896.311187656.291143259.501517826.772.882044.3013985.7036248.65408599.1311133563.595.405.395.025.793.095.321.131.333.118510191943.30219.381687.64556.372421.384831.7512.6310.51142.188518.676557.837.65982.6759730290100684155.6432.0250.8012.382091541101851882.5216205.324610.631375161.961691908.001108304.541108268.081430638.452.892071.7814374.1336226.69408873.2511470093.585.345.345.065.993.135.491.121.363.178565761499.96220.80918.96561.292365.873432.8812.2214.28141.186852.405775.237.401014.385837208998423168.1431.5955.5212.311971461021761766.0215943.494612.201319138.271580690.661130545.221078502.411542587.252.861973.0714101.7936232.44397574.7411242223.685.505.505.166.013.225.531.121.363.178565771877.03221.281429.31552.082458.504723.9812.1311.00137.827168.635601.007.74993.225841297597663168.2031.6453.0312.212011481041791792.8316065.264602.301291788.211682310.231135535.001103652.211477048.942.852093.8114004.0836081.57395454.6111091483.635.465.495.045.783.085.291.131.333.128565761940.65219.091688.09556.372458.234781.4512.4410.50145.668506.836531.377.631007.745920154597385156.5831.5650.7212.372011491041801822.5215856.034616.471284845.131586367.581133637.461152018.461423169.792.892015.1814307.5436115.94401369.6111116623.665.385.41OpenBenchmarking.org

Bullet Physics Engine

Test: 3000 Fall

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 3000 FallO2O3O3 native1.18352.3673.55054.7345.9175SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.07, N = 6SE +/- 0.05, N = 35.255.265.105.235.225.225.065.065.025.065.165.041. (CXX) g++ options: -O3 -rdynamic -lglut -lGL -lGLU

Bullet Physics Engine

Test: 1000 Stack

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 1000 StackO2O3O3 native246810SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 36.236.226.006.206.216.166.006.025.795.996.015.781. (CXX) g++ options: -O3 -rdynamic -lglut -lGL -lGLU

Bullet Physics Engine

Test: 136 Ragdolls

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 136 RagdollsO2O3O3 native0.74031.48062.22092.96123.7015SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.10, N = 3SE +/- 0.04, N = 33.203.213.153.223.213.293.143.143.093.133.223.081. (CXX) g++ options: -O3 -rdynamic -lglut -lGL -lGLU

Bullet Physics Engine

Test: 1000 Convex

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 1000 ConvexO2O3O3 native1.25782.51563.77345.03126.289SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.03, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.03, N = 3SE +/- 0.02, N = 35.485.595.265.515.525.315.515.525.325.495.535.291. (CXX) g++ options: -O3 -rdynamic -lglut -lGL -lGLU

Bullet Physics Engine

Test: Prim Trimesh

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: Prim TrimeshO2O3O3 native0.25650.5130.76951.0261.2825SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 31.131.141.111.121.121.131.121.121.131.121.121.131. (CXX) g++ options: -O3 -rdynamic -lglut -lGL -lGLU

Bullet Physics Engine

Test: Convex Trimesh

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: Convex TrimeshO2O3O3 native0.31050.6210.93151.2421.5525SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 31.361.381.331.351.351.351.361.361.331.361.361.331. (CXX) g++ options: -O3 -rdynamic -lglut -lGL -lGLU

Bullet Physics Engine

Test: Raytests

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: RaytestsO2O3O3 native0.74251.4852.22752.973.7125SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 33.263.303.193.263.263.153.173.183.113.173.173.121. (CXX) g++ options: -O3 -rdynamic -lglut -lGL -lGLU

TSCP

AI Chess Performance

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgNodes Per Second, More Is BetterTSCP 1.81AI Chess PerformanceO2O3O3 native200K400K600K800K1000KSE +/- 1655.44, N = 5SE +/- 1003.46, N = 5SE +/- 1655.44, N = 5SE +/- 1657.47, N = 5SE +/- 299.40, N = 5SE +/- 833.02, N = 5SE +/- 766.17, N = 5SE +/- 421.22, N = 5SE +/- 595.69, N = 5SE +/- 421.22, N = 59035199035119035199088749061949085758525978512838510198565768565778565761. (CC) gcc options: -O3 -march=native

SciMark

Computational Test: Composite

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: CompositeO2O3O3 native400800120016002000SE +/- 5.10, N = 3SE +/- 7.49, N = 3SE +/- 4.72, N = 3SE +/- 6.21, N = 3SE +/- 9.60, N = 3SE +/- 9.08, N = 3SE +/- 3.37, N = 3SE +/- 5.53, N = 3SE +/- 5.96, N = 3SE +/- 2.46, N = 3SE +/- 4.50, N = 3SE +/- 4.00, N = 31866.881879.721930.591867.271883.591893.021464.061874.091943.301499.961877.031940.651. (CC) gcc options: -lm

SciMark

Computational Test: Fast Fourier Transform

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformO2O3O3 native50100150200250SE +/- 0.05, N = 3SE +/- 0.23, N = 3SE +/- 0.05, N = 3SE +/- 0.14, N = 3SE +/- 0.05, N = 3SE +/- 0.36, N = 3SE +/- 0.20, N = 3SE +/- 0.09, N = 3SE +/- 0.10, N = 3SE +/- 0.01, N = 3SE +/- 0.03, N = 3SE +/- 0.03, N = 3216.15216.58218.08216.42216.39217.64220.52221.30219.38220.80221.28219.091. (CC) gcc options: -lm

SciMark

Computational Test: Jacobi Successive Over-Relaxation

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationO2O3O3 native400800120016002000SE +/- 0.15, N = 3SE +/- 0.20, N = 3SE +/- 0.32, N = 3SE +/- 0.26, N = 3SE +/- 0.04, N = 3SE +/- 0.19, N = 3SE +/- 0.07, N = 3SE +/- 0.16, N = 3SE +/- 0.06, N = 3SE +/- 0.02, N = 3SE +/- 0.17, N = 3SE +/- 0.72, N = 31428.631429.111430.021428.411428.811430.68919.021429.811687.64918.961429.311688.091. (CC) gcc options: -lm

SciMark

Computational Test: Monte Carlo

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloO2O3O3 native120240360480600SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.16, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.04, N = 3SE +/- 0.12, N = 3SE +/- 0.01, N = 3SE +/- 0.10, N = 3SE +/- 0.53, N = 3SE +/- 9.75, N = 3SE +/- 0.02, N = 3532.08532.07552.76532.08532.04552.63561.79561.85556.37561.29552.08556.371. (CC) gcc options: -lm

SciMark

Computational Test: Sparse Matrix Multiply

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyO2O3O3 native5001000150020002500SE +/- 9.60, N = 3SE +/- 9.62, N = 3SE +/- 2.55, N = 3SE +/- 15.14, N = 3SE +/- 14.51, N = 3SE +/- 13.92, N = 3SE +/- 2.57, N = 3SE +/- 1.01, N = 3SE +/- 11.03, N = 3SE +/- 14.14, N = 3SE +/- 11.52, N = 3SE +/- 13.99, N = 32374.262390.812494.652393.452398.602416.532156.612473.982421.382365.872458.502458.231. (CC) gcc options: -lm

SciMark

Computational Test: Dense LU Matrix Factorization

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationO2O3O3 native11002200330044005500SE +/- 19.42, N = 3SE +/- 44.19, N = 3SE +/- 21.25, N = 3SE +/- 44.64, N = 3SE +/- 50.80, N = 3SE +/- 39.79, N = 3SE +/- 14.02, N = 3SE +/- 27.07, N = 3SE +/- 20.82, N = 3SE +/- 3.21, N = 3SE +/- 19.27, N = 3SE +/- 25.52, N = 34783.314830.024957.424765.974842.124847.613462.394683.554831.753432.884723.984781.451. (CC) gcc options: -lm

FLAC Audio Encoding

WAV To FLAC

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.2WAV To FLACO2O3O3 native3691215SE +/- 0.02, N = 5SE +/- 0.01, N = 5SE +/- 0.02, N = 5SE +/- 0.01, N = 5SE +/- 0.05, N = 5SE +/- 0.02, N = 5SE +/- 0.01, N = 5SE +/- 0.12, N = 5SE +/- 0.19, N = 5SE +/- 0.09, N = 5SE +/- 0.02, N = 5SE +/- 0.01, N = 513.4613.4411.2113.3013.3711.3112.1512.2712.6312.2212.1312.441. (CXX) g++ options: -fvisibility=hidden -logg -lm

LAME MP3 Encoding

WAV To MP3

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.100WAV To MP3O2O3O3 native48121620SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.06, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 310.9510.9212.2311.1911.0412.2714.0511.1310.5114.2811.0010.501. (CC) gcc options: -lm

libjpeg-turbo tjbench

Test: Decompression Throughput

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgMegapixels/sec, More Is Betterlibjpeg-turbo tjbench 1.5.3Test: Decompression ThroughputO2O3O3 native306090120150SE +/- 0.83, N = 3SE +/- 0.03, N = 3SE +/- 0.01, N = 3SE +/- 0.03, N = 3SE +/- 0.06, N = 3SE +/- 0.08, N = 3SE +/- 0.06, N = 3SE +/- 0.08, N = 3SE +/- 0.01, N = 3SE +/- 0.03, N = 3SE +/- 1.71, N = 3SE +/- 0.05, N = 3135.66137.90143.79140.06141.67144.58141.43141.74142.18141.18137.82145.661. (CC) gcc options: -lm

FFTW

Build: Stock - Size: 1D FFT Size 1024

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 1024O2O3O3 native2K4K6K8K10KSE +/- 5.52, N = 3SE +/- 7.57, N = 3SE +/- 4.37, N = 3SE +/- 4.06, N = 3SE +/- 6.11, N = 3SE +/- 12.85, N = 3SE +/- 1.72, N = 3SE +/- 8.90, N = 3SE +/- 18.71, N = 3SE +/- 176.56, N = 6SE +/- 10.71, N = 3SE +/- 1.83, N = 37063.977137.577642.137205.407179.437639.777194.377176.778518.676852.407168.638506.831. (CC) gcc options: -pthread -lm

FFTW

Build: Stock - Size: 2D FFT Size 1024

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 1024O2O3O3 native14002800420056007000SE +/- 51.73, N = 3SE +/- 55.10, N = 3SE +/- 14.71, N = 3SE +/- 32.84, N = 3SE +/- 62.99, N = 3SE +/- 73.24, N = 3SE +/- 4.95, N = 3SE +/- 3.18, N = 3SE +/- 73.40, N = 3SE +/- 57.48, N = 3SE +/- 173.00, N = 6SE +/- 16.29, N = 35554.575580.006190.235467.235601.076143.005796.335835.906557.835775.235601.006531.371. (CC) gcc options: -pthread -lm

Timed HMMer Search

Pfam Database Search

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database SearchO2O3O3 native246810SE +/- 0.08, N = 3SE +/- 0.07, N = 3SE +/- 0.04, N = 3SE +/- 0.06, N = 3SE +/- 0.03, N = 3SE +/- 0.05, N = 3SE +/- 0.03, N = 3SE +/- 0.01, N = 3SE +/- 0.05, N = 3SE +/- 0.02, N = 3SE +/- 0.04, N = 3SE +/- 0.07, N = 37.177.227.287.067.077.297.567.717.657.407.747.631. (CC) gcc options: -pthread -lhmmer -lsquid -lm

Himeno Benchmark

Poisson Pressure Solver

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverO2O3O3 native2004006008001000SE +/- 1.41, N = 3SE +/- 1.32, N = 3SE +/- 3.23, N = 3SE +/- 7.65, N = 3SE +/- 2.92, N = 3SE +/- 2.25, N = 3SE +/- 1.94, N = 3SE +/- 2.17, N = 3SE +/- 0.78, N = 3SE +/- 0.47, N = 3SE +/- 5.36, N = 3SE +/- 4.57, N = 31031.601020.111037.411012.691013.431021.391014.66998.89982.671014.38993.221007.741. (CC) gcc options: -O3 -mavx2

Stockfish

Total Time

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgNodes Per Second, More Is BetterStockfish 9Total TimeO2O3O3 native13M26M39M52M65MSE +/- 255260.49, N = 3SE +/- 155814.19, N = 3SE +/- 403659.81, N = 3SE +/- 408815.68, N = 3SE +/- 358376.99, N = 3SE +/- 483850.69, N = 3SE +/- 219692.26, N = 3SE +/- 551889.61, N = 3SE +/- 576746.80, N = 3SE +/- 346634.55, N = 3SE +/- 236832.99, N = 3SE +/- 756265.41, N = 35964109160291206611942455947268659991975621329765900731459837512597302905837208958412975592015451. (CXX) g++ options: -m64 -lpthread -fno-exceptions -std=c++11 -pedantic -O3 -msse -msse3 -mpopcnt -flto

7-Zip Compression

Compress Speed Test

GCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgMIPS, More Is Better7-Zip Compression 16.02Compress Speed TestO2O3O3 native20K40K60K80K100KSE +/- 771.81, N = 3SE +/- 586.49, N = 3SE +/- 715.28, N = 3SE +/- 926.79, N = 3SE +/- 935.09, N = 3SE +/- 465.88, N = 398480979171006849842397663973851. (CXX) g++ options: -pipe -lpthread

Zstd Compression

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

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgSeconds, Fewer Is BetterZstd Compression 1.3.4Compressing ubuntu-16.04.3-server-i386.img, Compression Level 19O2O3O3 native4080120160200SE +/- 1.42, N = 3SE +/- 0.70, N = 3SE +/- 1.45, N = 3SE +/- 0.19, N = 3SE +/- 1.33, N = 3SE +/- 0.81, N = 3SE +/- 0.62, N = 3SE +/- 0.68, N = 3SE +/- 0.54, N = 3SE +/- 0.46, N = 3SE +/- 0.51, N = 3SE +/- 1.43, N = 3163.49166.30155.14166.63165.80156.09166.12166.70155.64168.14168.20156.581. (CC) gcc options: -pthread -lz -llzma

m-queens

Time To Solve

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgSeconds, Fewer Is Betterm-queens 1.1Time To SolveO2O3O3 native816243240SE +/- 0.18, N = 3SE +/- 0.15, N = 3SE +/- 0.14, N = 3SE +/- 0.10, N = 3SE +/- 0.20, N = 3SE +/- 0.20, N = 3SE +/- 0.09, N = 3SE +/- 0.14, N = 3SE +/- 0.14, N = 3SE +/- 0.15, N = 3SE +/- 0.13, N = 3SE +/- 0.16, N = 334.3034.4634.4934.1034.1134.0732.2232.0932.0231.5931.6431.561. (CXX) g++ options: -fopenmp -O2 -march=native

AOBench

Size: 2048 x 2048 - Total Time

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgSeconds, Fewer Is BetterAOBenchSize: 2048 x 2048 - Total TimeO2O3O3 native1428425670SE +/- 0.07, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.03, N = 3SE +/- 0.28, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.07, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 362.4154.4253.3459.2955.6353.0355.5252.6050.8055.5253.0350.721. (CC) gcc options: -lm -O3

VP9 libvpx Encoding

vpxenc

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgFrames Per Second, More Is BetterVP9 libvpx Encoding 1.7.0vpxencO2O3O3 native3691215SE +/- 0.03, N = 3SE +/- 0.04, N = 3SE +/- 0.08, N = 3SE +/- 0.03, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.06, N = 3SE +/- 0.02, N = 3SE +/- 0.06, N = 3SE +/- 0.14, N = 3SE +/- 0.01, N = 312.7612.7312.5812.6712.6812.7212.4312.3612.3812.3112.2112.371. (CXX) g++ options: -m64 -lm -lpthread -O3 -fPIC -U_FORTIFY_SOURCE

GraphicsMagick

Operation: HWB Color Space

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.28Operation: HWB Color SpaceO2O3O3 native50100150200250SE +/- 0.33, N = 3SE +/- 1.45, N = 3SE +/- 0.58, N = 31671631711651631722021992091972012011. (CC) gcc options: -fopenmp -pthread -ljbig -lwebp -lwebpmux -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2 -lz -lm -ldl -lpthread

GraphicsMagick

Operation: Blur

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.28Operation: BlurO2O3O3 native306090120150SE +/- 0.33, N = 3SE +/- 0.58, N = 3SE +/- 0.33, N = 3SE +/- 0.67, N = 3SE +/- 0.67, N = 31241231281221211291481471541461481491. (CC) gcc options: -fopenmp -pthread -ljbig -lwebp -lwebpmux -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2 -lz -lm -ldl -lpthread

GraphicsMagick

Operation: Local Adaptive Thresholding

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.28Operation: Local Adaptive ThresholdingO2O3O3 native306090120150SE +/- 1.00, N = 3SE +/- 0.33, N = 31121101121111101121091081101021041041. (CC) gcc options: -fopenmp -pthread -ljbig -lwebp -lwebpmux -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2 -lz -lm -ldl -lpthread

GraphicsMagick

Operation: Resizing

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.28Operation: ResizingO2O3O3 native4080120160200SE +/- 1.53, N = 3SE +/- 1.33, N = 3SE +/- 0.88, N = 3SE +/- 1.00, N = 3SE +/- 1.20, N = 3SE +/- 0.58, N = 3SE +/- 0.33, N = 3SE +/- 1.00, N = 31481441481421411501811751851761791801. (CC) gcc options: -fopenmp -pthread -ljbig -lwebp -lwebpmux -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2 -lz -lm -ldl -lpthread

GraphicsMagick

Operation: Sharpen

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.28Operation: SharpenO2O3O3 native4080120160200SE +/- 0.88, N = 3SE +/- 0.58, N = 3SE +/- 2.00, N = 31521491561511481561811771881761791821. (CC) gcc options: -fopenmp -pthread -ljbig -lwebp -lwebpmux -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2 -lz -lm -ldl -lpthread

C-Ray

Total Time

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeO2O3O3 native246810SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.03, N = 3SE +/- 0.04, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 34.604.614.584.604.594.126.002.842.526.022.832.521. (CC) gcc options: -lm -lpthread -O3

Apache Benchmark

Static Web Page Serving

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.29Static Web Page ServingO2O3O3 native3K6K9K12K15KSE +/- 113.85, N = 3SE +/- 158.93, N = 3SE +/- 201.21, N = 3SE +/- 92.94, N = 3SE +/- 71.31, N = 3SE +/- 266.00, N = 4SE +/- 132.55, N = 3SE +/- 188.72, N = 3SE +/- 193.23, N = 3SE +/- 80.25, N = 3SE +/- 74.41, N = 3SE +/- 89.48, N = 315902.1315831.1516132.4015909.2016012.3316135.1515972.5915891.7216205.3215943.4916065.2615856.031. (CC) gcc options: -shared -fPIC -pthread

OpenSSL

RSA 4096-bit Performance

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgSigns Per Second, More Is BetterOpenSSL 1.1.0fRSA 4096-bit PerformanceO2O3O3 native10002000300040005000SE +/- 22.39, N = 3SE +/- 21.78, N = 3SE +/- 22.54, N = 3SE +/- 22.21, N = 3SE +/- 21.74, N = 3SE +/- 23.44, N = 3SE +/- 24.30, N = 3SE +/- 22.71, N = 3SE +/- 21.56, N = 3SE +/- 22.12, N = 3SE +/- 23.64, N = 3SE +/- 23.13, N = 34609.334613.734596.874605.934606.404590.074609.304609.734610.634612.204602.304616.471. (CC) gcc options: -O3 -pthread -m64 -lssl -lcrypto -ldl

Redis

Test: SET

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgRequests Per Second, More Is BetterRedis 4.0.8Test: SETO2O3O3 native300K600K900K1200K1500KSE +/- 23365.89, N = 6SE +/- 6561.08, N = 3SE +/- 24161.34, N = 6SE +/- 42724.64, N = 6SE +/- 14107.04, N = 3SE +/- 24087.65, N = 6SE +/- 9618.90, N = 3SE +/- 23587.86, N = 6SE +/- 13759.71, N = 3SE +/- 22403.96, N = 6SE +/- 24024.35, N = 3SE +/- 31380.33, N = 61295994.311365561.591325542.291270556.751250320.001298197.361278916.541332541.961375161.961319138.271291788.211284845.131. (CC) gcc options: -ggdb -rdynamic -lm -ldl -pthread

Redis

Test: GET

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgRequests Per Second, More Is BetterRedis 4.0.8Test: GETO2O3O3 native400K800K1200K1600K2000KSE +/- 41665.93, N = 6SE +/- 34413.42, N = 6SE +/- 28953.02, N = 3SE +/- 30884.10, N = 6SE +/- 35417.19, N = 6SE +/- 33696.59, N = 6SE +/- 40550.88, N = 6SE +/- 34086.99, N = 6SE +/- 37527.46, N = 6SE +/- 7906.34, N = 3SE +/- 40793.79, N = 6SE +/- 25099.79, N = 61687893.921681341.871745134.041719598.561680519.821625444.501612387.561813896.311691908.001580690.661682310.231586367.581. (CC) gcc options: -ggdb -rdynamic -lm -ldl -pthread

Redis

Test: LPUSH

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgRequests Per Second, More Is BetterRedis 4.0.8Test: LPUSHO2O3O3 native300K600K900K1200K1500KSE +/- 18431.32, N = 6SE +/- 18474.00, N = 3SE +/- 1700.30, N = 3SE +/- 21733.72, N = 6SE +/- 19213.29, N = 3SE +/- 19469.91, N = 6SE +/- 21056.82, N = 3SE +/- 2157.90, N = 3SE +/- 18347.41, N = 6SE +/- 18588.25, N = 4SE +/- 17323.31, N = 6SE +/- 12639.17, N = 31116107.351144334.751081476.161132026.191128908.921121722.401135840.671187656.291108304.541130545.221135535.001133637.461. (CC) gcc options: -ggdb -rdynamic -lm -ldl -pthread

Redis

Test: LPOP

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgRequests Per Second, More Is BetterRedis 4.0.8Test: LPOPO2O3O3 native300K600K900K1200K1500KSE +/- 20442.13, N = 3SE +/- 160203.14, N = 6SE +/- 168479.83, N = 6SE +/- 6702.88, N = 3SE +/- 140863.83, N = 6SE +/- 8562.55, N = 3SE +/- 2162.33, N = 3SE +/- 15264.52, N = 3SE +/- 4079.04, N = 3SE +/- 8709.47, N = 3SE +/- 19911.75, N = 3SE +/- 21693.88, N = 31137111.291473113.751478145.711084289.131406858.951129647.461117326.831143259.501108268.081078502.411103652.211152018.461. (CC) gcc options: -ggdb -rdynamic -lm -ldl -pthread

Redis

Test: SADD

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgRequests Per Second, More Is BetterRedis 4.0.8Test: SADDO2O3O3 native300K600K900K1200K1500KSE +/- 23955.67, N = 6SE +/- 22674.85, N = 5SE +/- 35522.62, N = 6SE +/- 28996.72, N = 6SE +/- 27256.67, N = 6SE +/- 38267.48, N = 6SE +/- 32509.56, N = 6SE +/- 35661.81, N = 6SE +/- 4081.67, N = 3SE +/- 11436.45, N = 3SE +/- 22572.62, N = 4SE +/- 3767.82, N = 31473865.041552252.601546101.941480263.171588093.191545221.081500041.041517826.771430638.451542587.251477048.941423169.791. (CC) gcc options: -ggdb -rdynamic -lm -ldl -pthread

SQLite

Timed SQLite Insertions

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.22Timed SQLite InsertionsO2O3O3 native0.65251.3051.95752.613.2625SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.03, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.03, N = 3SE +/- 0.02, N = 3SE +/- 0.03, N = 3SE +/- 0.01, N = 32.872.902.882.882.872.892.872.882.892.862.852.891. (CC) gcc options: -lz -ldl -lpthread

PostgreSQL pgbench

Scaling: Buffer Test - Test: Single Thread - Mode: Read Write

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.3Scaling: Buffer Test - Test: Single Thread - Mode: Read WriteO2O3O3 native400800120016002000SE +/- 29.60, N = 3SE +/- 11.94, N = 3SE +/- 36.31, N = 3SE +/- 12.61, N = 3SE +/- 31.82, N = 3SE +/- 28.00, N = 3SE +/- 14.24, N = 3SE +/- 30.23, N = 5SE +/- 12.52, N = 3SE +/- 7.20, N = 3SE +/- 39.87, N = 3SE +/- 37.36, N = 32004.571981.571960.881990.971954.201939.971991.712044.302071.781973.072093.812015.181. (CC) gcc options: -fno-strict-aliasing -fwrapv -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

PostgreSQL pgbench

Scaling: Buffer Test - Test: Single Thread - Mode: Read Only

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.3Scaling: Buffer Test - Test: Single Thread - Mode: Read OnlyO2O3O3 native3K6K9K12K15KSE +/- 60.45, N = 3SE +/- 59.89, N = 3SE +/- 78.62, N = 3SE +/- 139.71, N = 3SE +/- 95.82, N = 3SE +/- 126.21, N = 3SE +/- 215.85, N = 3SE +/- 266.50, N = 3SE +/- 113.33, N = 3SE +/- 72.75, N = 3SE +/- 140.09, N = 3SE +/- 152.49, N = 314207.7214358.8814066.1914155.4014199.1414351.8014037.1513985.7014374.1314101.7914004.0814307.541. (CC) gcc options: -fno-strict-aliasing -fwrapv -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

PostgreSQL pgbench

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

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.3Scaling: Buffer Test - Test: Normal Load - Mode: Read WriteO2O3O3 native8K16K24K32K40KSE +/- 138.00, N = 3SE +/- 38.12, N = 3SE +/- 165.65, N = 3SE +/- 10.69, N = 3SE +/- 35.87, N = 3SE +/- 58.95, N = 3SE +/- 62.00, N = 3SE +/- 81.46, N = 3SE +/- 133.09, N = 3SE +/- 96.17, N = 3SE +/- 193.85, N = 3SE +/- 66.03, N = 334974.5134861.2134997.9635329.6534746.3735063.1036523.7836248.6536226.6936232.4436081.5736115.941. (CC) gcc options: -fno-strict-aliasing -fwrapv -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

PostgreSQL pgbench

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

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.3Scaling: Buffer Test - Test: Normal Load - Mode: Read OnlyO2O3O3 native90K180K270K360K450KSE +/- 1633.79, N = 3SE +/- 1156.38, N = 3SE +/- 4650.70, N = 3SE +/- 4347.55, N = 3SE +/- 1975.46, N = 3SE +/- 203.90, N = 3SE +/- 2225.51, N = 3SE +/- 1716.32, N = 3SE +/- 1289.79, N = 3SE +/- 1546.59, N = 3SE +/- 3629.20, N = 3SE +/- 3319.69, N = 3398197.40400209.70402318.56399144.71399268.53405473.04396925.91408599.13408873.25397574.74395454.61401369.611. (CC) gcc options: -fno-strict-aliasing -fwrapv -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

ebizzy

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgRecords/s, More Is Betterebizzy 0.3O2O3O3 native300K600K900K1200K1500KSE +/- 32892.97, N = 6SE +/- 17356.18, N = 6SE +/- 17667.62, N = 6SE +/- 10897.56, N = 3SE +/- 21606.01, N = 3SE +/- 17978.30, N = 4SE +/- 16592.93, N = 4SE +/- 18183.13, N = 4SE +/- 28582.82, N = 6SE +/- 17876.02, N = 3SE +/- 14780.83, N = 3SE +/- 23788.74, N = 61120359114964711234381132297119302911030901106391111335611470091124222110914811116621. (CC) gcc options: -pthread -lpthread -O3 -march=native

PolyBench-C

Test: 3 Matrix Multiplications

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgSeconds, Fewer Is BetterPolyBench-C 4.2Test: 3 Matrix MultiplicationsO2O3O3 native0.8461.6922.5383.3844.23SE +/- 0.05, N = 3SE +/- 0.01, N = 3SE +/- 0.03, N = 3SE +/- 0.01, N = 3SE +/- 0.08, N = 3SE +/- 0.03, N = 3SE +/- 0.05, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.04, N = 3SE +/- 0.03, N = 3SE +/- 0.05, N = 33.623.603.583.753.763.683.623.593.583.683.633.661. (CC) gcc options: -O3 -march=native

PolyBench-C

Test: Correlation Computation

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgSeconds, Fewer Is BetterPolyBench-C 4.2Test: Correlation ComputationO2O3O3 native1.24882.49763.74644.99526.244SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.04, N = 3SE +/- 0.04, N = 3SE +/- 0.02, N = 35.515.525.535.555.535.545.555.405.345.505.465.381. (CC) gcc options: -O3 -march=native

PolyBench-C

Test: Covariance Computation

Clang 6.0Clang 7.0 SVNGCC 8.2 RC1GCC 9.0 SVNOpenBenchmarking.orgSeconds, Fewer Is BetterPolyBench-C 4.2Test: Covariance ComputationO2O3O3 native1.24652.4933.73954.9866.2325SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.03, N = 3SE +/- 0.05, N = 3SE +/- 0.02, N = 35.525.525.525.535.535.545.535.395.345.505.495.411. (CC) gcc options: -O3 -march=native

Phoronix Test Suite v10.8.5