uarchlevels

Benchmaring various x86_64 microarcitecture levels

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O1_generic
March 13 2021
  1 Hour, 28 Minutes
O3_generic
March 14 2021
  57 Minutes
O3_march_nehalem
March 14 2021
  55 Minutes
O3_march_haswell
March 14 2021
  49 Minutes
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O1_generic

Kernel Notes: Transparent Huge Pages: madvise
Environment Notes: CXXFLAGS="-O1 -mtune=generic -march=x86-64" CFLAGS="-O1 -mtune=generic -march=x86-64"
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none=/build/gcc-9-HskZEa/gcc-9-9.3.0/debian/tmp-nvptx/usr,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Processor Notes: Scaling Governor: intel_pstate performance - CPU Microcode: 0xde - Thermald 1.9.1
Security Notes: itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + srbds: Mitigation of Microcode + tsx_async_abort: Not affected

O3_generic

Kernel Notes: Transparent Huge Pages: madvise
Environment Notes: CXXFLAGS="-O3 -mtune=generic -march=x86-64" CFLAGS="-O3 -mtune=generic -march=x86-64"
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none=/build/gcc-9-HskZEa/gcc-9-9.3.0/debian/tmp-nvptx/usr,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Processor Notes: Scaling Governor: intel_pstate performance - CPU Microcode: 0xde - Thermald 1.9.1
Security Notes: itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + srbds: Mitigation of Microcode + tsx_async_abort: Not affected

O3_march_nehalem

Kernel Notes: Transparent Huge Pages: madvise
Environment Notes: CXXFLAGS="-O3 -mtune=generic -march=nehalem" CFLAGS="-O3 -mtune=generic -march=nehalem"
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none=/build/gcc-9-HskZEa/gcc-9-9.3.0/debian/tmp-nvptx/usr,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Processor Notes: Scaling Governor: intel_pstate performance - CPU Microcode: 0xde - Thermald 1.9.1
Security Notes: itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + srbds: Mitigation of Microcode + tsx_async_abort: Not affected

O3_march_haswell

Processor: Intel Core i3-7020U @ 2.30GHz (2 Cores / 4 Threads), Motherboard: HP 84CA (F.61 BIOS), Chipset: Intel Xeon E3-1200 v6/7th, Memory: 16GB, Disk: 1000GB Seagate ST1000LM035-1RK1 + 500GB HGST HTS545050A7, Graphics: Intel HD 620 3GB (1000MHz), Audio: Realtek ALC236, Network: Realtek RTL8111/8168/8411 + Realtek RTL8822BE 802.11a/b/g/n/ac

OS: Ubuntu 20.04, Kernel: 5.8.0-44-generic (x86_64), Desktop: GNOME, Display Server: X Server 1.20.9, OpenGL: 4.6 Mesa 20.2.6, OpenCL: OpenCL 2.1, Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1600x900

Kernel Notes: Transparent Huge Pages: madvise
Environment Notes: CXXFLAGS="-O3 -mtune=generic -march=haswell" CFLAGS="-O3 -mtune=generic -march=haswell"
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none=/build/gcc-9-HskZEa/gcc-9-9.3.0/debian/tmp-nvptx/usr,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Processor Notes: Scaling Governor: intel_pstate performance - CPU Microcode: 0xde - Thermald 1.9.1
Security Notes: itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + srbds: Mitigation of Microcode + tsx_async_abort: Not affected

uarchlevelsOpenBenchmarking.orgPhoronix Test SuiteIntel Core i3-7020U @ 2.30GHz (2 Cores / 4 Threads)HP 84CA (F.61 BIOS)Intel Xeon E3-1200 v6/7th16GB1000GB Seagate ST1000LM035-1RK1 + 500GB HGST HTS545050A7Intel HD 620 3GB (1000MHz)Realtek ALC236Realtek RTL8111/8168/8411 + Realtek RTL8822BE 802.11a/b/g/n/acUbuntu 20.045.8.0-44-generic (x86_64)GNOMEX Server 1.20.94.6 Mesa 20.2.6OpenCL 2.1GCC 9.3.0ext41600x900ProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerOpenGLOpenCLCompilerFile-SystemScreen ResolutionUarchlevels PerformanceSystem Logs- Transparent Huge Pages: madvise- O1_generic: CXXFLAGS="-O1 -mtune=generic -march=x86-64" CFLAGS="-O1 -mtune=generic -march=x86-64" - O3_generic: CXXFLAGS="-O3 -mtune=generic -march=x86-64" CFLAGS="-O3 -mtune=generic -march=x86-64" - O3_march_nehalem: CXXFLAGS="-O3 -mtune=generic -march=nehalem" CFLAGS="-O3 -mtune=generic -march=nehalem" - O3_march_haswell: CXXFLAGS="-O3 -mtune=generic -march=haswell" CFLAGS="-O3 -mtune=generic -march=haswell" - --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none=/build/gcc-9-HskZEa/gcc-9-9.3.0/debian/tmp-nvptx/usr,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v - Scaling Governor: intel_pstate performance - CPU Microcode: 0xde - Thermald 1.9.1- itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + srbds: Mitigation of Microcode + tsx_async_abort: Not affected

O1_genericO3_genericO3_march_nehalemO3_march_haswellResult OverviewPhoronix Test Suite100%146%193%239%286%C-RayHimeno BenchmarkJohn The RipperSciMarkGraphicsMagickCoremarkFLAC Audio Encoding

uarchlevelsc-ray: Total Time - 4K, 16 Rays Per Pixelhimeno: Poisson Pressure Solverjohn-the-ripper: MD5scimark2: Jacobi Successive Over-Relaxationscimark2: Dense LU Matrix Factorizationgraphics-magick: Resizingscimark2: Compositecoremark: CoreMark Size 666 - Iterations Per Secondgraphics-magick: Swirlscimark2: Monte Carlographics-magick: HWB Color Spacescimark2: Fast Fourier Transformjohn-the-ripper: Blowfishscimark2: Sparse Matrix Multiplyencode-flac: WAV To FLACO1_genericO3_genericO3_march_nehalemO3_march_haswell1180.107780.03707856631659.731805.3996927.0640334.09596949450.59218289.4820501430.1121.276560.2611965.66335457288862.302546.581261133.3350519.83047252486.48234297.8321791473.4620.736559.9961964.83014357299862.012549.521261133.4149839.89527854486.17236296.4121671472.9319.209412.0192218.2458991285071148.982871.601501268.6049174.75886457499.80239308.6521801513.9819.150OpenBenchmarking.org

C-Ray

This is a test of C-Ray, a simple raytracer designed to test the floating-point CPU performance. This test is multi-threaded (16 threads per core), will shoot 8 rays per pixel for anti-aliasing, and will generate a 1600 x 1200 image. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total Time - 4K, 16 Rays Per PixelO1_genericO3_genericO3_march_nehalemO3_march_haswell30060090012001500SE +/- 0.18, N = 3SE +/- 0.06, N = 3SE +/- 0.11, N = 3SE +/- 0.08, N = 31180.11560.26560.00412.02-O1 -march=x86-64-march=x86-64-march=nehalem-march=haswell1. (CC) gcc options: -lm -lpthread -O3 -mtune=generic

Himeno Benchmark

The Himeno benchmark is a linear solver of pressure Poisson using a point-Jacobi method. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverO1_genericO3_genericO3_march_nehalemO3_march_haswell5001000150020002500SE +/- 1.62, N = 3SE +/- 0.35, N = 3SE +/- 1.79, N = 3SE +/- 1.47, N = 3780.041965.661964.832218.25-O1 -march=x86-64-march=x86-64-march=nehalem-march=haswell1. (CC) gcc options: -O3 -mtune=generic -mavx2

John The Ripper

This is a benchmark of John The Ripper, which is a password cracker. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgReal C/S, More Is BetterJohn The Ripper 1.9.0-jumbo-1Test: MD5O1_genericO3_genericO3_march_nehalemO3_march_haswell30K60K90K120K150KSE +/- 23.80, N = 3SE +/- 76.84, N = 3SE +/- 22.59, N = 3SE +/- 306.58, N = 35663157288572991285071. (CC) gcc options: -m64 -lssl -lcrypto -fopenmp -lgmp -pthread -lm -lz -ldl -lcrypt -lbz2

SciMark

This test runs the ANSI C version of SciMark 2.0, which is a benchmark for scientific and numerical computing developed by programmers at the National Institute of Standards and Technology. This test is made up of Fast Foruier Transform, Jacobi Successive Over-relaxation, Monte Carlo, Sparse Matrix Multiply, and dense LU matrix factorization benchmarks. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationO1_genericO3_genericO3_march_nehalemO3_march_haswell2004006008001000SE +/- 0.05, N = 3SE +/- 0.02, N = 3SE +/- 0.04, N = 3SE +/- 0.13, N = 3659.73862.30862.011148.98-O1 -march=x86-64-O3 -march=x86-64-O3 -march=nehalem-O3 -march=haswell1. (CC) gcc options: -mtune=generic -lm

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationO1_genericO3_genericO3_march_nehalemO3_march_haswell6001200180024003000SE +/- 1.05, N = 3SE +/- 3.09, N = 3SE +/- 2.05, N = 3SE +/- 1.62, N = 31805.392546.582549.522871.60-O1 -march=x86-64-O3 -march=x86-64-O3 -march=nehalem-O3 -march=haswell1. (CC) gcc options: -mtune=generic -lm

GraphicsMagick

This is a test of GraphicsMagick with its OpenMP implementation that performs various imaging tests on a sample 6000x4000 pixel JPEG image. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: ResizingO1_genericO3_genericO3_march_nehalemO3_march_haswell306090120150SE +/- 0.33, N = 3SE +/- 0.67, N = 396126126150-O1 -march=x86-64-O3 -march=x86-64-O3 -march=nehalem-O3 -march=haswell1. (CC) gcc options: -fopenmp -mtune=generic -pthread -ljbig -lwebp -lwebpmux -llcms2 -ltiff -lfreetype -ljpeg -lwmflite -lXext -lSM -lICE -lX11 -llzma -lbz2 -lxml2 -lz -lm -lpthread

SciMark

This test runs the ANSI C version of SciMark 2.0, which is a benchmark for scientific and numerical computing developed by programmers at the National Institute of Standards and Technology. This test is made up of Fast Foruier Transform, Jacobi Successive Over-relaxation, Monte Carlo, Sparse Matrix Multiply, and dense LU matrix factorization benchmarks. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: CompositeO1_genericO3_genericO3_march_nehalemO3_march_haswell30060090012001500SE +/- 1.17, N = 3SE +/- 0.89, N = 3SE +/- 0.72, N = 3SE +/- 0.32, N = 3927.061133.331133.411268.60-O1 -march=x86-64-O3 -march=x86-64-O3 -march=nehalem-O3 -march=haswell1. (CC) gcc options: -mtune=generic -lm

Coremark

This is a test of EEMBC CoreMark processor benchmark. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgIterations/Sec, More Is BetterCoremark 1.0CoreMark Size 666 - Iterations Per SecondO1_genericO3_genericO3_march_nehalemO3_march_haswell11K22K33K44K55KSE +/- 262.09, N = 3SE +/- 123.75, N = 3SE +/- 171.13, N = 3SE +/- 782.68, N = 340334.1050519.8349839.9049174.76-O1 -march=x86-64-O3 -march=x86-64-O3 -march=nehalem-O3 -march=haswell1. (CC) gcc options: -O2 -mtune=generic -lrt" -lrt

GraphicsMagick

This is a test of GraphicsMagick with its OpenMP implementation that performs various imaging tests on a sample 6000x4000 pixel JPEG image. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: SwirlO1_genericO3_genericO3_march_nehalemO3_march_haswell132639526549525457-O1 -march=x86-64-O3 -march=x86-64-O3 -march=nehalem-O3 -march=haswell1. (CC) gcc options: -fopenmp -mtune=generic -pthread -ljbig -lwebp -lwebpmux -llcms2 -ltiff -lfreetype -ljpeg -lwmflite -lXext -lSM -lICE -lX11 -llzma -lbz2 -lxml2 -lz -lm -lpthread

SciMark

This test runs the ANSI C version of SciMark 2.0, which is a benchmark for scientific and numerical computing developed by programmers at the National Institute of Standards and Technology. This test is made up of Fast Foruier Transform, Jacobi Successive Over-relaxation, Monte Carlo, Sparse Matrix Multiply, and dense LU matrix factorization benchmarks. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloO1_genericO3_genericO3_march_nehalemO3_march_haswell110220330440550SE +/- 0.45, N = 3SE +/- 0.31, N = 3SE +/- 0.18, N = 3SE +/- 0.32, N = 3450.59486.48486.17499.80-O1 -march=x86-64-O3 -march=x86-64-O3 -march=nehalem-O3 -march=haswell1. (CC) gcc options: -mtune=generic -lm

GraphicsMagick

This is a test of GraphicsMagick with its OpenMP implementation that performs various imaging tests on a sample 6000x4000 pixel JPEG image. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: HWB Color SpaceO1_genericO3_genericO3_march_nehalemO3_march_haswell50100150200250SE +/- 0.67, N = 3218234236239-O1 -march=x86-64-O3 -march=x86-64-O3 -march=nehalem-O3 -march=haswell1. (CC) gcc options: -fopenmp -mtune=generic -pthread -ljbig -lwebp -lwebpmux -llcms2 -ltiff -lfreetype -ljpeg -lwmflite -lXext -lSM -lICE -lX11 -llzma -lbz2 -lxml2 -lz -lm -lpthread

SciMark

This test runs the ANSI C version of SciMark 2.0, which is a benchmark for scientific and numerical computing developed by programmers at the National Institute of Standards and Technology. This test is made up of Fast Foruier Transform, Jacobi Successive Over-relaxation, Monte Carlo, Sparse Matrix Multiply, and dense LU matrix factorization benchmarks. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformO1_genericO3_genericO3_march_nehalemO3_march_haswell70140210280350SE +/- 4.86, N = 3SE +/- 0.51, N = 3SE +/- 1.07, N = 3SE +/- 0.64, N = 3289.48297.83296.41308.65-O1 -march=x86-64-O3 -march=x86-64-O3 -march=nehalem-O3 -march=haswell1. (CC) gcc options: -mtune=generic -lm

John The Ripper

This is a benchmark of John The Ripper, which is a password cracker. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgReal C/S, More Is BetterJohn The Ripper 1.9.0-jumbo-1Test: BlowfishO1_genericO3_genericO3_march_nehalemO3_march_haswell5001000150020002500SE +/- 0.33, N = 3SE +/- 4.84, N = 3SE +/- 8.35, N = 3SE +/- 4.91, N = 320502179216721801. (CC) gcc options: -m64 -lssl -lcrypto -fopenmp -lgmp -pthread -lm -lz -ldl -lcrypt -lbz2

SciMark

This test runs the ANSI C version of SciMark 2.0, which is a benchmark for scientific and numerical computing developed by programmers at the National Institute of Standards and Technology. This test is made up of Fast Foruier Transform, Jacobi Successive Over-relaxation, Monte Carlo, Sparse Matrix Multiply, and dense LU matrix factorization benchmarks. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyO1_genericO3_genericO3_march_nehalemO3_march_haswell30060090012001500SE +/- 0.83, N = 3SE +/- 1.17, N = 3SE +/- 0.93, N = 3SE +/- 0.95, N = 31430.111473.461472.931513.98-O1 -march=x86-64-O3 -march=x86-64-O3 -march=nehalem-O3 -march=haswell1. (CC) gcc options: -mtune=generic -lm

FLAC Audio Encoding

This test times how long it takes to encode a sample WAV file to FLAC format five times. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.2WAV To FLACO1_genericO3_genericO3_march_nehalemO3_march_haswell510152025SE +/- 0.27, N = 25SE +/- 0.38, N = 25SE +/- 0.23, N = 21SE +/- 0.25, N = 2521.2820.7419.2119.15-O1 -march=x86-64-O3 -march=x86-64-O3 -march=nehalem-O3 -march=haswell1. (CXX) g++ options: -mtune=generic -fvisibility=hidden -logg -lm

O1_generic

Kernel Notes: Transparent Huge Pages: madvise
Environment Notes: CXXFLAGS="-O1 -mtune=generic -march=x86-64" CFLAGS="-O1 -mtune=generic -march=x86-64"
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none=/build/gcc-9-HskZEa/gcc-9-9.3.0/debian/tmp-nvptx/usr,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Processor Notes: Scaling Governor: intel_pstate performance - CPU Microcode: 0xde - Thermald 1.9.1
Security Notes: itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + srbds: Mitigation of Microcode + tsx_async_abort: Not affected

Testing initiated at 13 March 2021 17:32 by user mateusz.

O3_generic

Kernel Notes: Transparent Huge Pages: madvise
Environment Notes: CXXFLAGS="-O3 -mtune=generic -march=x86-64" CFLAGS="-O3 -mtune=generic -march=x86-64"
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none=/build/gcc-9-HskZEa/gcc-9-9.3.0/debian/tmp-nvptx/usr,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Processor Notes: Scaling Governor: intel_pstate performance - CPU Microcode: 0xde - Thermald 1.9.1
Security Notes: itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + srbds: Mitigation of Microcode + tsx_async_abort: Not affected

Testing initiated at 14 March 2021 17:18 by user mateusz.

O3_march_nehalem

Kernel Notes: Transparent Huge Pages: madvise
Environment Notes: CXXFLAGS="-O3 -mtune=generic -march=nehalem" CFLAGS="-O3 -mtune=generic -march=nehalem"
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none=/build/gcc-9-HskZEa/gcc-9-9.3.0/debian/tmp-nvptx/usr,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Processor Notes: Scaling Governor: intel_pstate performance - CPU Microcode: 0xde - Thermald 1.9.1
Security Notes: itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + srbds: Mitigation of Microcode + tsx_async_abort: Not affected

Testing initiated at 14 March 2021 18:26 by user mateusz.

O3_march_haswell

Processor: Intel Core i3-7020U @ 2.30GHz (2 Cores / 4 Threads), Motherboard: HP 84CA (F.61 BIOS), Chipset: Intel Xeon E3-1200 v6/7th, Memory: 16GB, Disk: 1000GB Seagate ST1000LM035-1RK1 + 500GB HGST HTS545050A7, Graphics: Intel HD 620 3GB (1000MHz), Audio: Realtek ALC236, Network: Realtek RTL8111/8168/8411 + Realtek RTL8822BE 802.11a/b/g/n/ac

OS: Ubuntu 20.04, Kernel: 5.8.0-44-generic (x86_64), Desktop: GNOME, Display Server: X Server 1.20.9, OpenGL: 4.6 Mesa 20.2.6, OpenCL: OpenCL 2.1, Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1600x900

Kernel Notes: Transparent Huge Pages: madvise
Environment Notes: CXXFLAGS="-O3 -mtune=generic -march=haswell" CFLAGS="-O3 -mtune=generic -march=haswell"
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none=/build/gcc-9-HskZEa/gcc-9-9.3.0/debian/tmp-nvptx/usr,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Processor Notes: Scaling Governor: intel_pstate performance - CPU Microcode: 0xde - Thermald 1.9.1
Security Notes: itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + srbds: Mitigation of Microcode + tsx_async_abort: Not affected

Testing initiated at 14 March 2021 19:33 by user mateusz.