GCC 7.2 vs. GCC 8 Halloween Znver1 EPYC

phoronix-test-suite benchmark 1710310-AL-GCC72VSGC26

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GCC 7.2.0
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phoronix-test-suite benchmark 1710310-AL-GCC72VSGC26
October 31 2017
 
AMD Ryzen 5 1600 Six-Core
October 31 2017
 
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GCC 7.2 vs. GCC 8 Halloween Znver1 EPYC - Phoronix Test Suite

GCC 7.2 vs. GCC 8 Halloween Znver1 EPYC

phoronix-test-suite benchmark 1710310-AL-GCC72VSGC26

HTML result view exported from: https://openbenchmarking.org/result/1711011-TY-1710310AL16&sro&grr.

GCC 7.2 vs. GCC 8 Halloween Znver1 EPYCProcessorMotherboardChipsetMemoryDiskGraphicsMonitorNetworkAudioOSKernelDesktopCompilerFile-SystemScreen ResolutionOpenGLGCC 7.2.0GCC 8.0.0 20171030phoronix-test-suite benchmark 1710310-AL-GCC72VSGC26AMD Ryzen 5 1600 Six-CoreAMD EPYC 7601 32-Core @ 2.20GHz (32 Cores / 64 Threads)TYAN B8026T70AE24HRAMD Device 1450129024MB120GB Force MP500ASPEED ASPEED FamilyAcer P243WBroadcom Limited NetXtreme BCM5720 Gigabit PCIeUbuntu 17.104.13.0-16-generic (x86_64)GNOME Shell 3.26.1GCC 7.2.0ext41920x1200GCC 8.0.0 20171030AMD Ryzen 5 1600 Six-Core @ 3.80GHz (12 Cores)ASRock X370 TaichiAMD Family 17h16384MB2 x 240GB Crucial_CT240M50 + 4001GB Western Digital WD40EZRX-00S + 500GB Samsung SSD 750AMD Radeon 3968MBAMD EllesmereASUS VC239Intel I211 Gigabit Connection + Intel Device 24fbArch rolling4.13.9-1-ARCH (x86_64)4.5 Mesa 17.2.3 (LLVM 5.0.0)GCC 7.2.0 + Clang 5.0.05760x1080OpenBenchmarking.orgCompiler Details- GCC 7.2.0: --disable-multilib --enable-checking=release --enable-languages=c,c++- GCC 8.0.0 20171030: --disable-multilib --enable-checking=release --enable-languages=c,c++- phoronix-test-suite benchmark 1710310-AL-GCC72VSGC26: --disable-libssp --disable-libstdcxx-pch --disable-libunwind-exceptions --disable-werror --enable-__cxa_atexit --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-default-ssp --enable-gnu-indirect-function --enable-gnu-unique-object --enable-install-libiberty --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++ --enable-libmpx --enable-lto --enable-multilib --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-isl --with-linker-hash-style=gnu - AMD Ryzen 5 1600 Six-Core: --disable-libssp --disable-libstdcxx-pch --disable-libunwind-exceptions --disable-werror --enable-__cxa_atexit --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-default-ssp --enable-gnu-indirect-function --enable-gnu-unique-object --enable-install-libiberty --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++ --enable-libmpx --enable-lto --enable-multilib --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-isl --with-linker-hash-style=gnu Processor Details- GCC 7.2.0: Scaling Governor: acpi-cpufreq ondemand- GCC 8.0.0 20171030: Scaling Governor: acpi-cpufreq ondemand- phoronix-test-suite benchmark 1710310-AL-GCC72VSGC26: Scaling Governor: acpi-cpufreq schedutil- AMD Ryzen 5 1600 Six-Core: Scaling Governor: acpi-cpufreq schedutil

GCC 7.2 vs. GCC 8 Halloween Znver1 EPYCredis: SETredis: GETredis: LPUSHredis: SADDredis: LPOPpgbench: Buffer Test - Single Thread - Read Onlypgbench: Buffer Test - Normal Load - Read Onlytjbench: Decompression Throughputffmpeg: H.264 HD To NTSC DVencode-mp3: WAV To MP3stockfish: Total Timesmallpt: Global Illumination Renderer; 100 Samplesprimesieve: 1e12 Prime Number Generationc-ray: Total Timehimeno: Poisson Pressure Solvergraphics-magick: Local Adaptive Thresholdinggraphics-magick: HWB Color Spacegraphics-magick: Resizinggraphics-magick: Sharpengraphics-magick: Blurttsiod-renderer: Phong Rendering With Soft-Shadow Mappingtscp: AI Chess Performancescimark2: Jacobi Successive Over-Relaxationscimark2: Dense LU Matrix Factorizationscimark2: Sparse Matrix Multiplyscimark2: Fast Fourier Transformscimark2: Monte Carloscimark2: Compositegmpbench: Total Timefftw: Float + SSE - 2D FFT Size 1024fftw: Float + SSE - 1D FFT Size 1024fftw: Stock - 2D FFT Size 1024fftw: Stock - 1D FFT Size 1024hpcg: GCC 7.2.0GCC 8.0.0 20171030phoronix-test-suite benchmark 1710310-AL-GCC72VSGC26AMD Ryzen 5 1600 Six-Core192063.14198580.74193867.82189478.65202065.8410784.92308134.57141.5510.6911.204485411.913.08936.77109198174177148407.278611291683.405150.442376.61223.69194.451925.723918.8019834267636420.238539.100.73193210.49198883.33192219.37193163.62195542.1210709.13303543.17143.7910.6610.714500411.942.74942.44110199176179148407.588536551685.484757.532444.39223.06554.991933.093926.2021131268766622.908416.230.721467893.151921768.151435549.421556357.422005203.3316059.96140773.30166.005.2038754942.0712.831105.36131214198154149297.239782941030.48394.08620.85157.65124.71465.564520.9019432306695682.338290.230.97OpenBenchmarking.org

Redis

Test: SET

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: SETAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 20171030300K600K900K1200K1500KSE +/- 21985.80, N = 6SE +/- 1582.98, N = 3SE +/- 3816.59, N = 31467893.15192063.14193210.491. (CC) gcc options: -ggdb -rdynamic -lm -pthread

Redis

Test: GET

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: GETAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 20171030400K800K1200K1600K2000KSE +/- 59329.38, N = 6SE +/- 3940.07, N = 6SE +/- 2615.42, N = 61921768.15198580.74198883.331. (CC) gcc options: -ggdb -rdynamic -lm -pthread

Redis

Test: LPUSH

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: LPUSHAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 20171030300K600K900K1200K1500KSE +/- 10126.16, N = 3SE +/- 2952.51, N = 6SE +/- 3068.09, N = 41435549.42193867.82192219.371. (CC) gcc options: -ggdb -rdynamic -lm -pthread

Redis

Test: SADD

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: SADDAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 20171030300K600K900K1200K1500KSE +/- 30026.05, N = 3SE +/- 303.66, N = 3SE +/- 2485.81, N = 31556357.42189478.65193163.621. (CC) gcc options: -ggdb -rdynamic -lm -pthread

Redis

Test: LPOP

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: LPOPAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 20171030400K800K1200K1600K2000KSE +/- 34905.11, N = 3SE +/- 3741.75, N = 3SE +/- 3274.37, N = 62005203.33202065.84195542.121. (CC) gcc options: -ggdb -rdynamic -lm -pthread

PostgreSQL pgbench

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

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.0Scaling: Buffer Test - Test: Single Thread - Mode: Read OnlyAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 201710303K6K9K12K15KSE +/- 122.20, N = 3SE +/- 140.64, N = 3SE +/- 47.06, N = 316059.9610784.9210709.13-O2 -lpgcommon -lpgport -lpthread -lrt -lcrypt -ldl -lm-O3 -march=znver1 -shared-O3 -march=znver1 -shared1. (CC) gcc options: -fno-strict-aliasing -fwrapv -fPIC

PostgreSQL pgbench

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

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.0Scaling: Buffer Test - Test: Normal Load - Mode: Read OnlyAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 2017103070K140K210K280K350KSE +/- 220.05, N = 3SE +/- 1439.36, N = 3SE +/- 3027.80, N = 3140773.30308134.57303543.17-O2 -lpgcommon -lpgport -lpthread -lrt -lcrypt -ldl -lm-O3 -march=znver1 -shared-O3 -march=znver1 -shared1. (CC) gcc options: -fno-strict-aliasing -fwrapv -fPIC

libjpeg-turbo tjbench

Test: Decompression Throughput

OpenBenchmarking.orgMegapixels/sec, More Is Betterlibjpeg-turbo tjbench 1.5.1Test: Decompression ThroughputAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 201710304080120160200SE +/- 0.10, N = 3SE +/- 0.03, N = 3SE +/- 0.02, N = 3166.00141.55143.79-march=znver1-march=znver11. (CC) gcc options: -O3 -lm

FFmpeg

H.264 HD To NTSC DV

OpenBenchmarking.orgSeconds, Fewer Is BetterFFmpeg 3.3.3H.264 HD To NTSC DVAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 201710303691215SE +/- 0.02, N = 3SE +/- 0.04, N = 3SE +/- 0.07, N = 35.2010.6910.66-lXv -lX11 -lXext -lvdpau -lva -lva-x11 -lva-drm -lxcb-shm -ljack -lSDL2 -lbz2 -fPIC-march=znver1-march=znver11. (CC) gcc options: -lavdevice -lavfilter -lavformat -lavcodec -lswresample -lswscale -lavutil -ldl -lxcb -lxcb-xfixes -lxcb-shape -lasound -lm -llzma -pthread -std=c11 -fomit-frame-pointer -O3 -fno-math-errno -fno-signed-zeros -fno-tree-vectorize -MMD -MF -MT

LAME MP3 Encoding

WAV To MP3

OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.5WAV To MP3GCC 7.2.0GCC 8.0.0 201710303691215SE +/- 0.01, N = 5SE +/- 0.00, N = 511.2010.711. (CC) gcc options: -O3 -ffast-math -funroll-loops -fschedule-insns2 -fbranch-count-reg -fforce-addr -pipe -march=znver1 -lm

Stockfish

Total Time

OpenBenchmarking.orgms, Fewer Is BetterStockfish 2014-11-26Total TimeAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 2017103010002000300040005000SE +/- 4.73, N = 3SE +/- 56.11, N = 3SE +/- 55.17, N = 3387544854500-march=znver1-march=znver11. (CXX) g++ options: -lpthread -fno-exceptions -fno-rtti -ansi -pedantic -O3 -msse -msse3 -mpopcnt -flto

Smallpt

Global Illumination Renderer; 100 Samples

OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 100 SamplesAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 201710301122334455SE +/- 0.33, N = 3SE +/- 0.17, N = 6SE +/- 0.17, N = 64944-O3 -march=znver1-O3 -march=znver11. (CXX) g++ options: -fopenmp

Primesieve

1e12 Prime Number Generation

OpenBenchmarking.orgSeconds, Fewer Is BetterPrimesieve 6.21e12 Prime Number GenerationAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 201710301020304050SE +/- 0.03, N = 3SE +/- 0.03, N = 3SE +/- 0.04, N = 342.0711.9111.94-march=znver1-march=znver11. (CXX) g++ options: -O3 -rdynamic -lpthread

C-Ray

Total Time

OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 201710303691215SE +/- 0.04, N = 3SE +/- 0.06, N = 3SE +/- 0.07, N = 612.833.082.74-march=znver1-march=znver11. (CC) gcc options: -lm -lpthread -O3

Himeno Benchmark

Poisson Pressure Solver

OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 201710302004006008001000SE +/- 2.20, N = 3SE +/- 21.77, N = 6SE +/- 1.81, N = 31105.36936.77942.44-march=znver1-march=znver11. (CC) gcc options: -O3 -mavx2

GraphicsMagick

Operation: Local Adaptive Thresholding

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: Local Adaptive ThresholdingAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 20171030306090120150131109110-O2 -llcms2 -lfreetype -ljasper -lSM -lICE -lbz2 -lxml2 -lgomp-O3 -march=znver1 -ljbig -ldl-O3 -march=znver1 -ljbig -ldl1. (CC) gcc options: -fopenmp -pthread -lwebp -ltiff -ljpeg -lXext -lX11 -llzma -lz -lm -lpthread

GraphicsMagick

Operation: HWB Color Space

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: HWB Color SpaceAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 2017103050100150200250SE +/- 0.33, N = 3214198199-O2 -llcms2 -lfreetype -ljasper -lSM -lICE -lbz2 -lxml2 -lgomp-O3 -march=znver1 -ljbig -ldl-O3 -march=znver1 -ljbig -ldl1. (CC) gcc options: -fopenmp -pthread -lwebp -ltiff -ljpeg -lXext -lX11 -llzma -lz -lm -lpthread

GraphicsMagick

Operation: Resizing

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: ResizingAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 201710304080120160200SE +/- 0.67, N = 3SE +/- 0.88, N = 3198174176-O2 -llcms2 -lfreetype -ljasper -lSM -lICE -lbz2 -lxml2 -lgomp-O3 -march=znver1 -ljbig -ldl-O3 -march=znver1 -ljbig -ldl1. (CC) gcc options: -fopenmp -pthread -lwebp -ltiff -ljpeg -lXext -lX11 -llzma -lz -lm -lpthread

GraphicsMagick

Operation: Sharpen

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: SharpenAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 201710304080120160200SE +/- 0.33, N = 3SE +/- 0.33, N = 3154177179-O2 -llcms2 -lfreetype -ljasper -lSM -lICE -lbz2 -lxml2 -lgomp-O3 -march=znver1 -ljbig -ldl-O3 -march=znver1 -ljbig -ldl1. (CC) gcc options: -fopenmp -pthread -lwebp -ltiff -ljpeg -lXext -lX11 -llzma -lz -lm -lpthread

GraphicsMagick

Operation: Blur

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: BlurAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 20171030306090120150SE +/- 0.33, N = 3149148148-O2 -llcms2 -lfreetype -ljasper -lSM -lICE -lbz2 -lxml2 -lgomp-O3 -march=znver1 -ljbig -ldl-O3 -march=znver1 -ljbig -ldl1. (CC) gcc options: -fopenmp -pthread -lwebp -ltiff -ljpeg -lXext -lX11 -llzma -lz -lm -lpthread

TTSIOD 3D Renderer

Phong Rendering With Soft-Shadow Mapping

OpenBenchmarking.orgFPS, More Is BetterTTSIOD 3D Renderer 2.3aPhong Rendering With Soft-Shadow MappingAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 2017103090180270360450SE +/- 0.35, N = 3SE +/- 6.30, N = 6SE +/- 6.79, N = 4297.23407.27407.58-lpthread-march=znver1-march=znver11. (CXX) g++ options: -O3 -fomit-frame-pointer -ffast-math -mtune=native -flto -msse -mrecip -mfpmath=sse -msse2 -mssse3 -lSDL -lstdc++

TSCP

AI Chess Performance

OpenBenchmarking.orgNodes Per Second, More Is BetterTSCP 1.81AI Chess PerformanceAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 20171030200K400K600K800K1000KSE +/- 953.40, N = 5SE +/- 329.95, N = 5SE +/- 264.40, N = 5978294861129853655-march=znver1-march=znver11. (CC) gcc options: -O3 -march=native

SciMark

Computational Test: Jacobi Successive Over-Relaxation

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 20171030400800120016002000SE +/- 22.71, N = 4SE +/- 0.70, N = 4SE +/- 0.66, N = 41030.481683.401685.48-O3 -march=znver1-O3 -march=znver11. (CC) gcc options: -lm

SciMark

Computational Test: Dense LU Matrix Factorization

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 2017103011002200330044005500SE +/- 1.20, N = 4SE +/- 37.84, N = 4SE +/- 31.33, N = 4394.085150.444757.53-O3 -march=znver1-O3 -march=znver11. (CC) gcc options: -lm

SciMark

Computational Test: Sparse Matrix Multiply

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 201710305001000150020002500SE +/- 4.87, N = 4SE +/- 13.62, N = 4SE +/- 9.19, N = 4620.852376.612444.39-O3 -march=znver1-O3 -march=znver11. (CC) gcc options: -lm

SciMark

Computational Test: Fast Fourier Transform

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 2017103050100150200250SE +/- 2.32, N = 4SE +/- 0.12, N = 4SE +/- 0.07, N = 4157.65223.69223.06-O3 -march=znver1-O3 -march=znver11. (CC) gcc options: -lm

SciMark

Computational Test: Monte Carlo

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 20171030120240360480600SE +/- 0.07, N = 4SE +/- 0.01, N = 4SE +/- 0.07, N = 4124.71194.45554.99-O3 -march=znver1-O3 -march=znver11. (CC) gcc options: -lm

SciMark

Computational Test: Composite

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: CompositeAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 20171030400800120016002000SE +/- 5.10, N = 4SE +/- 8.62, N = 4SE +/- 7.80, N = 4465.561925.721933.09-O3 -march=znver1-O3 -march=znver11. (CC) gcc options: -lm

GNU GMP GMPbench

Total Time

OpenBenchmarking.orgGMPbench Score, More Is BetterGNU GMP GMPbench 6.1.2Total TimeAMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 20171030100020003000400050004520.903918.803926.20-fomit-frame-pointer-march=znver1-march=znver11. (CC) gcc options: -O3 -lm

FFTW

Build: Float + SSE - Size: 2D FFT Size 1024

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 1024AMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 201710305K10K15K20K25KSE +/- 261.51, N = 3SE +/- 270.69, N = 3SE +/- 57.10, N = 3194321983421131-fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math-march=znver1-march=znver11. (CC) gcc options: -pthread -O3 -lm

FFTW

Build: Float + SSE - Size: 1D FFT Size 1024

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 1024AMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 201710307K14K21K28K35KSE +/- 253.63, N = 3SE +/- 26.61, N = 3SE +/- 120.67, N = 3306692676326876-fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math-march=znver1-march=znver11. (CC) gcc options: -pthread -O3 -lm

FFTW

Build: Stock - Size: 2D FFT Size 1024

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 1024AMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 2017103014002800420056007000SE +/- 34.15, N = 3SE +/- 104.31, N = 4SE +/- 33.11, N = 35682.336420.236622.90-fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math-march=znver1-march=znver11. (CC) gcc options: -pthread -O3 -lm

FFTW

Build: Stock - Size: 1D FFT Size 1024

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 1024AMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 201710302K4K6K8K10KSE +/- 191.27, N = 6SE +/- 4.79, N = 3SE +/- 5.10, N = 38290.238539.108416.23-fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math-march=znver1-march=znver11. (CC) gcc options: -pthread -O3 -lm

High Performance Conjugate Gradient

OpenBenchmarking.orgGFLOP/s, More Is BetterHigh Performance Conjugate Gradient 3.0AMD Ryzen 5 1600 Six-CoreGCC 7.2.0GCC 8.0.0 201710300.21830.43660.65490.87321.0915SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 30.970.730.72

Phoronix Test Suite v10.8.4