Skylake Xeon GCC Compiler Optimization Tests

Intel Xeon E3-1280 v5 testing with a MSI C236A WORKSTATION. GCC compiler optimization CFLAGS/CXXFLAGS benchmarks by Michael Larabel.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1602289-GA-SKYLAKEXE19
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-O0
February 27 2016
 
-O1
February 27 2016
 
-O2
February 28 2016
 
-O2 -march=native
February 28 2016
 
-O3
February 28 2016
 
-O3 -march=native
February 28 2016
 
-Ofast -march=native
February 28 2016
 
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-O0

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --enable-libmpx --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-arch-directory=amd64 --with-default-libstdcxx-abi=new --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Processor Notes: Scaling Governor: intel_pstate powersave

-O1

-O2

-O2 -march=native

-O3

-O3 -march=native

-Ofast -march=native

Processor: Intel Xeon E3-1280 v5 @ 4.00GHz (8 Cores), Motherboard: MSI C236A WORKSTATION (MS-7998) v1.0, Chipset: Intel Sky Lake, Memory: 16384MB, Disk: 120GB Samsung SSD 850, Graphics: MSI AMD Radeon R7 370 / R9 270/370 OEM 4096MB, Audio: Realtek ALC1150, Monitor: DELL P2415Q, Network: Intel Connection

OS: Ubuntu 16.04, Kernel: 4.4.0-7-generic (x86_64), Desktop: Unity 7.4.0, Display Server: X Server 1.17.3, Display Driver: radeon 7.6.1, OpenGL: 4.1 Mesa 11.1.2 Gallium 0.4, Compiler: GCC 5.3.1 20160222, File-System: ext4, Screen Resolution: 3840x2160

Skylake Xeon GCC Compiler Optimization TestsOpenBenchmarking.orgPhoronix Test SuiteIntel Xeon E3-1280 v5 @ 4.00GHz (8 Cores)MSI C236A WORKSTATION (MS-7998) v1.0Intel Sky Lake16384MB120GB Samsung SSD 850MSI AMD Radeon R7 370 / R9 270/370 OEM 4096MBRealtek ALC1150DELL P2415QIntel ConnectionUbuntu 16.044.4.0-7-generic (x86_64)Unity 7.4.0X Server 1.17.3radeon 7.6.14.1 Mesa 11.1.2 Gallium 0.4GCC 5.3.1 20160222ext43840x2160ProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionSkylake Xeon GCC Compiler Optimization Tests PerformanceSystem Logs- --build=x86_64-linux-gnu --disable-browser-plugin --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --enable-libmpx --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-arch-directory=amd64 --with-default-libstdcxx-abi=new --with-multilib-list=m32,m64,mx32 --with-tune=generic -v - Scaling Governor: intel_pstate powersave

-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=nativeResult OverviewPhoronix Test Suite100%268%436%604%771%FLAC Audio EncodingHimeno BenchmarkTTSIOD 3D RendererC-RayTimed ImageMagick CompilationTimed HMMer SearchHierarchical INTegrationLAME MP3 EncodingTimed PHP CompilationGraphicsMagickTimed Apache CompilationRedis

Skylake Xeon GCC Compiler Optimization Testshint: FLOATencode-flac: WAV To FLACencode-mp3: WAV To MP3hmmer: Pfam Database Searchhimeno: Poisson Pressure Solverbuild-imagemagick: Time To Compilebuild-apache: Time To Compilebuild-php: Time To Compilegraphics-magick: Blurgraphics-magick: Sharpengraphics-magick: Resizinggraphics-magick: HWB Color Spacegraphics-magick: Local Adaptive Thresholdingc-ray: Total Timettsiod-renderer: Phong Rendering With Soft-Shadow Mappingredis: GETredis: SET-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native127505415.4837.5630.5026.89496.0612.2311.087.27107591091362261.5348.141663526.961189110.86295705864.245.9713.258.861302.8324.9617.0013.351701311982269243.15187.342953039.462175575.75370257620.555.2212.908.352429.3739.6723.1219.1216913219121310038.19187.083007445.962136957.54408904948.744.8711.998.352653.0737.5722.8418.6817314020422810327.83192.902951037.212076614.15381719210.595.1012.108.172485.1449.7024.8821.2117013220122810319.65229.782910194.792183433.83407575756.084.8810.698.162689.9148.9725.1721.6817814221023410414.60235.673116395.332104521.04392373251.204.899.518.002757.7749.9925.1621.7517714521123710413.92236.523023321.582243907.58OpenBenchmarking.org

Hierarchical INTegration

This test runs the U.S. Department of Energy's Ames Laboratory Hierarchical INTegration (HINT) benchmark. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgQUIPs, More Is BetterHierarchical INTegration 1.0Test: FLOAT-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O090M180M270M360M450MSE +/- 623958.85, N = 3SE +/- 469746.65, N = 3SE +/- 705518.12, N = 3SE +/- 839964.65, N = 3SE +/- 807099.70, N = 3SE +/- 261713.92, N = 3SE +/- 333507.82, N = 3392373251.20407575756.08381719210.59408904948.74370257620.55295705864.24127505415.48-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O01. (CC) gcc options: -lm

FLAC Audio Encoding

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

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.1WAV To FLAC-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O0918273645SE +/- 0.01, N = 5SE +/- 0.01, N = 5SE +/- 0.02, N = 5SE +/- 0.00, N = 5SE +/- 0.01, N = 5SE +/- 0.01, N = 5SE +/- 0.09, N = 54.894.885.104.875.225.9737.56-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O01. (CXX) g++ options: -fvisibility=hidden -logg -lm

LAME MP3 Encoding

LAME is an MP3 encoder licensed under the LGPL. This test measures the time required to encode a WAV file to MP3 format. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O0714212835SE +/- 0.01, N = 5SE +/- 0.02, N = 5SE +/- 0.01, N = 5SE +/- 0.01, N = 5SE +/- 0.03, N = 5SE +/- 0.00, N = 5SE +/- 0.07, N = 59.5110.6912.1011.9912.9013.2530.50-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O01. (CC) gcc options: -pipe -lncurses -lm

Timed HMMer Search

This test searches through the Pfam database of profile hidden markov models. The search finds the domain structure of Drosophila Sevenless protein. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database Search-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O0612182430SE +/- 0.00, N = 3SE +/- 0.02, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 38.008.168.178.358.358.8626.89-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O01. (CC) gcc options: -pthread -lhmmer -lsquid -lm

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 Solver-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O06001200180024003000SE +/- 8.78, N = 3SE +/- 13.72, N = 3SE +/- 2.83, N = 3SE +/- 5.04, N = 3SE +/- 2.14, N = 3SE +/- 7.15, N = 3SE +/- 1.58, N = 32757.772689.912485.142653.072429.371302.83496.06-Ofast -march=native-march=native-O2 -march=native-O2-O1-O01. (CC) gcc options: -O3 -mavx2

Timed ImageMagick Compilation

This test times how long it takes to build ImageMagick. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed ImageMagick Compilation 6.9.0Time To Compile-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O01122334455SE +/- 0.18, N = 3SE +/- 0.02, N = 3SE +/- 0.07, N = 3SE +/- 0.04, N = 3SE +/- 0.04, N = 3SE +/- 0.04, N = 3SE +/- 0.04, N = 349.9948.9749.7037.5739.6724.9612.23

Timed Apache Compilation

This test times how long it takes to build the Apache HTTP Server. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Apache Compilation 2.4.7Time To Compile-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O0612182430SE +/- 0.04, N = 3SE +/- 0.05, N = 3SE +/- 0.04, N = 3SE +/- 0.07, N = 3SE +/- 0.03, N = 3SE +/- 0.07, N = 3SE +/- 0.05, N = 325.1625.1724.8822.8423.1217.0011.08

Timed PHP Compilation

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To Compile-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O0510152025SE +/- 0.02, N = 3SE +/- 0.04, N = 3SE +/- 0.03, N = 3SE +/- 0.03, N = 3SE +/- 0.04, N = 3SE +/- 0.03, N = 3SE +/- 0.03, N = 321.7521.6821.2118.6819.1213.357.27-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O01. (CC) gcc options: -pedantic -ldl -lz -lm

GraphicsMagick

This is a test of GraphicsMagick with its OpenMP implementation that performs various imaging tests to stress the system's CPU. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: Blur-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O04080120160200SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3177178170173169170107-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O01. (CC) gcc options: -fopenmp -pthread -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2 -lz -lm -lgomp -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: Sharpen-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O0306090120150SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 314514213214013213159-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O01. (CC) gcc options: -fopenmp -pthread -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2 -lz -lm -lgomp -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: Resizing-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O050100150200250SE +/- 0.33, N = 3SE +/- 0.33, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 1.53, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3211210201204191198109-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O01. (CC) gcc options: -fopenmp -pthread -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2 -lz -lm -lgomp -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: HWB Color Space-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O050100150200250SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.33, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3237234228228213226136-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O01. (CC) gcc options: -fopenmp -pthread -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2 -lz -lm -lgomp -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: Local Adaptive Thresholding-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O020406080100SE +/- 0.33, 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 = 31041041031031009222-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O01. (CC) gcc options: -fopenmp -pthread -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2 -lz -lm -lgomp -lpthread

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-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O01428425670SE +/- 0.03, N = 3SE +/- 0.02, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.02, N = 313.9214.6019.6527.8338.1943.1561.53-Ofast -march=native-march=native-O2 -march=native-O2-O1-O01. (CC) gcc options: -lm -lpthread -O3

TTSIOD 3D Renderer

A portable GPL 3D software renderer that supports OpenMP and Intel Threading Building Blocks with many different rendering modes. This version does not use OpenGL but is entirely CPU/software based. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFPS, More Is BetterTTSIOD 3D Renderer 2.3aPhong Rendering With Soft-Shadow Mapping-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O050100150200250SE +/- 0.78, N = 3SE +/- 0.37, N = 3SE +/- 0.18, N = 3SE +/- 0.17, N = 3SE +/- 0.42, N = 3SE +/- 0.20, N = 3SE +/- 0.04, N = 3236.52235.67229.78192.90187.08187.3448.14-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O01. (CXX) g++ options: -fomit-frame-pointer -ffast-math -mtune=native -flto -msse -mrecip -mfpmath=sse -msse2 -mssse3 -lSDL -lstdc++

Redis

Redis is an open-source data structure server. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: GET-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O0700K1400K2100K2800K3500KSE +/- 119850.30, N = 6SE +/- 112169.48, N = 6SE +/- 114387.02, N = 6SE +/- 147992.17, N = 6SE +/- 115634.67, N = 6SE +/- 149849.11, N = 6SE +/- 38735.61, N = 63023321.583116395.332910194.792951037.213007445.962953039.461663526.961. (CC) gcc options: -ggdb -rdynamic -lm -pthread -ldl

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: SET-Ofast -march=native-O3 -march=native-O3-O2 -march=native-O2-O1-O0500K1000K1500K2000K2500KSE +/- 9379.40, N = 3SE +/- 62171.83, N = 6SE +/- 5504.91, N = 3SE +/- 59339.63, N = 6SE +/- 42585.88, N = 3SE +/- 42146.85, N = 3SE +/- 18888.09, N = 62243907.582104521.042183433.832076614.152136957.542175575.751189110.861. (CC) gcc options: -ggdb -rdynamic -lm -pthread -ldl

-O0

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --enable-libmpx --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-arch-directory=amd64 --with-default-libstdcxx-abi=new --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Processor Notes: Scaling Governor: intel_pstate powersave

Testing initiated at 27 February 2016 22:16 by user phoronix.

-O1

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --enable-libmpx --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-arch-directory=amd64 --with-default-libstdcxx-abi=new --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Processor Notes: Scaling Governor: intel_pstate powersave

Testing initiated at 27 February 2016 23:24 by user phoronix.

-O2

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --enable-libmpx --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-arch-directory=amd64 --with-default-libstdcxx-abi=new --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Processor Notes: Scaling Governor: intel_pstate powersave

Testing initiated at 28 February 2016 00:21 by user phoronix.

-O2 -march=native

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --enable-libmpx --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-arch-directory=amd64 --with-default-libstdcxx-abi=new --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Processor Notes: Scaling Governor: intel_pstate powersave

Testing initiated at 28 February 2016 09:09 by user phoronix.

-O3

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --enable-libmpx --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-arch-directory=amd64 --with-default-libstdcxx-abi=new --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Processor Notes: Scaling Governor: intel_pstate powersave

Testing initiated at 28 February 2016 10:03 by user phoronix.

-O3 -march=native

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --enable-libmpx --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-arch-directory=amd64 --with-default-libstdcxx-abi=new --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Processor Notes: Scaling Governor: intel_pstate powersave

Testing initiated at 28 February 2016 10:55 by user phoronix.

-Ofast -march=native

Processor: Intel Xeon E3-1280 v5 @ 4.00GHz (8 Cores), Motherboard: MSI C236A WORKSTATION (MS-7998) v1.0, Chipset: Intel Sky Lake, Memory: 16384MB, Disk: 120GB Samsung SSD 850, Graphics: MSI AMD Radeon R7 370 / R9 270/370 OEM 4096MB, Audio: Realtek ALC1150, Monitor: DELL P2415Q, Network: Intel Connection

OS: Ubuntu 16.04, Kernel: 4.4.0-7-generic (x86_64), Desktop: Unity 7.4.0, Display Server: X Server 1.17.3, Display Driver: radeon 7.6.1, OpenGL: 4.1 Mesa 11.1.2 Gallium 0.4, Compiler: GCC 5.3.1 20160222, File-System: ext4, Screen Resolution: 3840x2160

Compiler Notes: --build=x86_64-linux-gnu --disable-browser-plugin --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --enable-libmpx --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-arch-directory=amd64 --with-default-libstdcxx-abi=new --with-multilib-list=m32,m64,mx32 --with-tune=generic -v
Processor Notes: Scaling Governor: intel_pstate powersave

Testing initiated at 28 February 2016 11:47 by user phoronix.