Skylake Xeon GCC vs. Clang Compiler Optimization Tests

Intel Broadwell-DE 1587

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GCC: -O0
February 27 2016
 
GCC: -O1
February 27 2016
 
GCC: -O2
February 28 2016
 
GCC: -O2 -march=native
February 28 2016
 
GCC: -O3
February 28 2016
 
GCC: -O3 -march=native
February 28 2016
 
GCC: -Ofast -march=native
February 28 2016
 
Clang: -O0
February 28 2016
 
Clang: -O1
February 28 2016
 
Clang: -O2
February 28 2016
 
Clang: -O2 -march=native
February 28 2016
 
Clang: -O3
February 29 2016
 
Clang: -O3 -march=native
February 29 2016
 
Clang: -Ofast -march=native
February 29 2016
 
GCC 4.8.5 20150623
May 16 2016
 
GCC 4.8.5 run2
May 16 2016
 
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Skylake Xeon GCC vs. Clang Compiler Optimization Tests - Phoronix Test Suite

Skylake Xeon GCC vs. Clang Compiler Optimization Tests

Intel Broadwell-DE 1587

HTML result view exported from: https://openbenchmarking.org/result/1605173-GA-1602297GA75&sro&grr.

Skylake Xeon GCC vs. Clang Compiler Optimization TestsProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionGCC: -O0GCC: -O1GCC: -O2GCC: -O2 -march=nativeGCC: -O3GCC: -O3 -march=nativeGCC: -Ofast -march=nativeClang: -O0Clang: -O1Clang: -O2Clang: -O2 -march=nativeClang: -O3Clang: -O3 -march=nativeClang: -Ofast -march=nativeGCC 4.8.5 20150623GCC 4.8.5 run2Intel 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 20160222ext43840x2160Clang 3.8.0-+rc2-1~exp1ubuntu206/56 @ 2.30GHz (32 Cores)Supermicro X10SDV-7TP8F v1.01Intel Xeon E7 v4/Xeon2 x 8192 MB DDR4-2133MHz Micron240GB Toshiba MKNSSDAT240GB-DXASPEED ASPEED FamilyIntel Connection X552 10 GbE SFP+Red Hat Enterprise Linux 7.23.10.0-327.el7.x86_64 (x86_64)GCC 4.8.5 20150623xfs1024x768OpenBenchmarking.orgCompiler Details- GCC: -O0: --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 - GCC: -O1: --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 - GCC: -O2: --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 - GCC: -O2 -march=native: --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 - GCC: -O3: --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 - GCC: -O3 -march=native: --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 - GCC: -Ofast -march=native: --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 - GCC 4.8.5 20150623: --build=x86_64-redhat-linux --disable-libgcj --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-indirect-function --enable-gnu-unique-object --enable-initfini-array --enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go,lto --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=x86-64 --with-linker-hash-style=gnu --with-tune=generic- GCC 4.8.5 run2: --build=x86_64-redhat-linux --disable-libgcj --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-indirect-function --enable-gnu-unique-object --enable-initfini-array --enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go,lto --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=x86-64 --with-linker-hash-style=gnu --with-tune=genericProcessor Details- GCC: -O0: Scaling Governor: intel_pstate powersave- GCC: -O1: Scaling Governor: intel_pstate powersave- GCC: -O2: Scaling Governor: intel_pstate powersave- GCC: -O2 -march=native: Scaling Governor: intel_pstate powersave- GCC: -O3: Scaling Governor: intel_pstate powersave- GCC: -O3 -march=native: Scaling Governor: intel_pstate powersave- GCC: -Ofast -march=native: Scaling Governor: intel_pstate powersave- Clang: -O0: Scaling Governor: intel_pstate powersave- Clang: -O1: Scaling Governor: intel_pstate powersave- Clang: -O2: Scaling Governor: intel_pstate powersave- Clang: -O2 -march=native: Scaling Governor: intel_pstate powersave- Clang: -O3: Scaling Governor: intel_pstate powersave- Clang: -O3 -march=native: Scaling Governor: intel_pstate powersave- Clang: -Ofast -march=native: Scaling Governor: intel_pstate powersave- GCC 4.8.5 20150623: Scaling Governor: intel_pstate performance- GCC 4.8.5 run2: Scaling Governor: intel_pstate performanceSystem Details- GCC 4.8.5 20150623, GCC 4.8.5 run2: SELinux: Enabled.

Skylake Xeon GCC vs. Clang Compiler Optimization Testshint: FLOATredis: SETredis: GETencode-mp3: WAV To MP3encode-flac: WAV To FLACc-ray: Total Timebuild-php: Time To Compilebuild-imagemagick: Time To Compilebuild-apache: Time To Compilehimeno: Poisson Pressure Solvergraphics-magick: Local Adaptive Thresholdinggraphics-magick: HWB Color Spacegraphics-magick: Blurhmmer: Pfam Database SearchGCC: -O0GCC: -O1GCC: -O2GCC: -O2 -march=nativeGCC: -O3GCC: -O3 -march=nativeGCC: -Ofast -march=nativeClang: -O0Clang: -O1Clang: -O2Clang: -O2 -march=nativeClang: -O3Clang: -O3 -march=nativeClang: -Ofast -march=nativeGCC 4.8.5 20150623GCC 4.8.5 run2127505415.481189110.861663526.9630.5037.5661.537.2712.2311.08496.062213610726.89295705864.242175575.752953039.4613.255.9743.1513.3524.9617.001302.83922261708.86370257620.552136957.543007445.9612.905.2238.1919.1239.6723.122429.371002131698.35408904948.742076614.152951037.2111.994.8727.8318.6837.5722.842653.071032281738.35381719210.592183433.832910194.7912.105.1019.6521.2149.7024.882485.141032281708.17407575756.082104521.043116395.3310.694.8814.6021.6848.9725.172689.911042341788.16392373251.202243907.583023321.589.514.8913.9221.7549.9925.162757.771042371778.00129742642.751263741.851864548.2931.9547.9557.096.449.7810.93325.27221007523.23335679881.791977929.483067218.9612.046.9732.3413.5831.0718.851931.06891921508.97387996153.742127555.192962310.2512.176.6637.2916.9636.5322.362036.001001931508.29288801639.392064604.793102899.8312.035.2636.2217.9238.4523.101923.64991961508.29386593550.681962280.522923813.8812.166.7125.6117.5949.5922.832001.771001921508.40296846752.572037699.962862656.7511.665.1125.2017.9049.6323.071962.711021961538.29295042490.702078148.713100373.2511.105.0520.6417.9550.0223.152114.801011981538.12241905166.121078008.791363657.2121.7111.9010.1019.1932.2629.871343.84591451139.14241190797.171081861.041359989.8821.0111.8910.0919.1632.1429.881345.69591451129.09OpenBenchmarking.org

Hierarchical INTegration

Test: FLOAT

OpenBenchmarking.orgQUIPs, More Is BetterHierarchical INTegration 1.0Test: FLOATClang: -O0Clang: -O1Clang: -O2Clang: -O2 -march=nativeClang: -O3Clang: -O3 -march=nativeClang: -Ofast -march=nativeGCC 4.8.5 20150623GCC 4.8.5 run2GCC: -O0GCC: -O1GCC: -O2GCC: -O2 -march=nativeGCC: -O3GCC: -O3 -march=nativeGCC: -Ofast -march=native90M180M270M360M450MSE +/- 202624.96, N = 3SE +/- 327258.73, N = 3SE +/- 684099.81, N = 3SE +/- 169985.20, N = 3SE +/- 732618.55, N = 3SE +/- 107212.94, N = 3SE +/- 189622.82, N = 3SE +/- 174524.26, N = 3SE +/- 542220.28, N = 3SE +/- 333507.82, N = 3SE +/- 261713.92, N = 3SE +/- 807099.70, N = 3SE +/- 839964.65, N = 3SE +/- 705518.12, N = 3SE +/- 469746.65, N = 3SE +/- 623958.85, N = 3129742642.75335679881.79387996153.74288801639.39386593550.68296846752.57295042490.70241905166.12241190797.17127505415.48295705864.24370257620.55408904948.74381719210.59407575756.08392373251.20-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native-O3 -march=native-O3 -march=native-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native1. (CC) gcc options: -lm

Redis

Test: SET

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: SETClang: -O0Clang: -O1Clang: -O2Clang: -O2 -march=nativeClang: -O3Clang: -O3 -march=nativeClang: -Ofast -march=nativeGCC 4.8.5 20150623GCC 4.8.5 run2GCC: -O0GCC: -O1GCC: -O2GCC: -O2 -march=nativeGCC: -O3GCC: -O3 -march=nativeGCC: -Ofast -march=native500K1000K1500K2000K2500KSE +/- 18772.48, N = 5SE +/- 89985.99, N = 6SE +/- 48427.64, N = 6SE +/- 37304.29, N = 3SE +/- 78877.64, N = 6SE +/- 55315.76, N = 6SE +/- 51322.74, N = 6SE +/- 4367.75, N = 3SE +/- 389.96, N = 3SE +/- 18888.09, N = 6SE +/- 42146.85, N = 3SE +/- 42585.88, N = 3SE +/- 59339.63, N = 6SE +/- 5504.91, N = 3SE +/- 62171.83, N = 6SE +/- 9379.40, N = 31263741.851977929.482127555.192064604.791962280.522037699.962078148.711078008.791081861.041189110.862175575.752136957.542076614.152183433.832104521.042243907.58-std=gnu99 -pipe -g3 -O3 -funroll-loops-std=gnu99 -pipe -g3 -O3 -funroll-loops1. (CC) gcc options: -ggdb -rdynamic -lm -pthread -ldl

Redis

Test: GET

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: GETClang: -O0Clang: -O1Clang: -O2Clang: -O2 -march=nativeClang: -O3Clang: -O3 -march=nativeClang: -Ofast -march=nativeGCC 4.8.5 20150623GCC 4.8.5 run2GCC: -O0GCC: -O1GCC: -O2GCC: -O2 -march=nativeGCC: -O3GCC: -O3 -march=nativeGCC: -Ofast -march=native700K1400K2100K2800K3500KSE +/- 5812.17, N = 3SE +/- 114553.51, N = 6SE +/- 107422.82, N = 6SE +/- 28358.49, N = 3SE +/- 100673.54, N = 6SE +/- 117026.48, N = 6SE +/- 43230.51, N = 5SE +/- 3767.85, N = 3SE +/- 6507.68, N = 3SE +/- 38735.61, N = 6SE +/- 149849.11, N = 6SE +/- 115634.67, N = 6SE +/- 147992.17, N = 6SE +/- 114387.02, N = 6SE +/- 112169.48, N = 6SE +/- 119850.30, N = 61864548.293067218.962962310.253102899.832923813.882862656.753100373.251363657.211359989.881663526.962953039.463007445.962951037.212910194.793116395.333023321.58-std=gnu99 -pipe -g3 -O3 -funroll-loops-std=gnu99 -pipe -g3 -O3 -funroll-loops1. (CC) gcc options: -ggdb -rdynamic -lm -pthread -ldl

LAME MP3 Encoding

WAV To MP3

OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3Clang: -O0Clang: -O1Clang: -O2Clang: -O2 -march=nativeClang: -O3Clang: -O3 -march=nativeClang: -Ofast -march=nativeGCC 4.8.5 20150623GCC 4.8.5 run2GCC: -O0GCC: -O1GCC: -O2GCC: -O2 -march=nativeGCC: -O3GCC: -O3 -march=nativeGCC: -Ofast -march=native714212835SE +/- 0.09, N = 5SE +/- 0.01, N = 5SE +/- 0.01, N = 5SE +/- 0.03, N = 5SE +/- 0.02, N = 5SE +/- 0.02, N = 5SE +/- 0.01, N = 5SE +/- 0.08, N = 5SE +/- 0.14, N = 5SE +/- 0.07, N = 5SE +/- 0.00, N = 5SE +/- 0.03, N = 5SE +/- 0.01, N = 5SE +/- 0.01, N = 5SE +/- 0.02, N = 5SE +/- 0.01, N = 531.9512.0412.1712.0312.1611.6611.1021.7121.0130.5013.2512.9011.9912.1010.699.51-O0 -lncurses-O1 -lncurses-O2 -lncurses-O2 -march=native -lncurses-O3 -lncurses-O3 -march=native -lncurses-Ofast -march=native -lncurses-O3 -fomit-frame-pointer -ffast-math-O3 -fomit-frame-pointer -ffast-math-O0 -lncurses-O1 -lncurses-O2 -lncurses-O2 -march=native -lncurses-O3 -lncurses-O3 -march=native -lncurses-Ofast -march=native -lncurses1. (CC) gcc options: -pipe -lm

FLAC Audio Encoding

WAV To FLAC

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.1WAV To FLACClang: -O0Clang: -O1Clang: -O2Clang: -O2 -march=nativeClang: -O3Clang: -O3 -march=nativeClang: -Ofast -march=nativeGCC 4.8.5 20150623GCC 4.8.5 run2GCC: -O0GCC: -O1GCC: -O2GCC: -O2 -march=nativeGCC: -O3GCC: -O3 -march=nativeGCC: -Ofast -march=native1122334455SE +/- 0.14, N = 5SE +/- 0.01, N = 5SE +/- 0.01, N = 5SE +/- 0.01, N = 5SE +/- 0.04, N = 5SE +/- 0.02, N = 5SE +/- 0.00, N = 5SE +/- 0.01, N = 5SE +/- 0.00, N = 5SE +/- 0.09, N = 5SE +/- 0.01, N = 5SE +/- 0.01, N = 5SE +/- 0.00, N = 5SE +/- 0.02, N = 5SE +/- 0.01, N = 5SE +/- 0.01, N = 547.956.976.665.266.715.115.0511.9011.8937.565.975.224.875.104.884.89-O0 -logg-O1 -logg-O2 -logg-O2 -march=native -logg-O3 -logg-O2 -fvisibility=hidden-O2 -fvisibility=hidden-O0 -fvisibility=hidden -logg-O1 -fvisibility=hidden -logg1. (CXX) g++ options: -lm

C-Ray

Total Time

OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeClang: -O0Clang: -O1Clang: -O2Clang: -O2 -march=nativeClang: -O3Clang: -O3 -march=nativeClang: -Ofast -march=nativeGCC 4.8.5 20150623GCC 4.8.5 run2GCC: -O0GCC: -O1GCC: -O2GCC: -O2 -march=nativeGCC: -O3GCC: -O3 -march=nativeGCC: -Ofast -march=native1428425670SE +/- 0.04, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.05, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.03, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.02, N = 3SE +/- 0.03, N = 357.0932.3437.2936.2225.6125.2020.6410.1010.0961.5343.1538.1927.8319.6514.6013.92-O0-O1-O2-O2 -march=native-march=native-Ofast -march=native-O0-O1-O2-O2 -march=native-march=native-Ofast -march=native1. (CC) gcc options: -lm -lpthread -O3

Timed PHP Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To CompileClang: -O0Clang: -O1Clang: -O2Clang: -O2 -march=nativeClang: -O3Clang: -O3 -march=nativeClang: -Ofast -march=nativeGCC 4.8.5 20150623GCC 4.8.5 run2GCC: -O0GCC: -O1GCC: -O2GCC: -O2 -march=nativeGCC: -O3GCC: -O3 -march=nativeGCC: -Ofast -march=native510152025SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.03, N = 3SE +/- 0.08, N = 3SE +/- 0.03, N = 3SE +/- 0.04, N = 3SE +/- 0.01, N = 3SE +/- 0.04, N = 3SE +/- 0.03, N = 3SE +/- 0.03, N = 3SE +/- 0.03, N = 3SE +/- 0.04, N = 3SE +/- 0.03, N = 3SE +/- 0.03, N = 3SE +/- 0.04, N = 3SE +/- 0.02, N = 36.4413.5816.9617.9217.5917.9017.9519.1919.167.2713.3519.1218.6821.2121.6821.75-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native-O2-O2-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native1. (CC) gcc options: -pedantic -ldl -lz -lm

Timed ImageMagick Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed ImageMagick Compilation 6.9.0Time To CompileClang: -O0Clang: -O1Clang: -O2Clang: -O2 -march=nativeClang: -O3Clang: -O3 -march=nativeClang: -Ofast -march=nativeGCC 4.8.5 20150623GCC 4.8.5 run2GCC: -O0GCC: -O1GCC: -O2GCC: -O2 -march=nativeGCC: -O3GCC: -O3 -march=nativeGCC: -Ofast -march=native1122334455SE +/- 0.06, N = 3SE +/- 0.05, N = 3SE +/- 0.05, N = 3SE +/- 0.17, N = 3SE +/- 0.12, N = 3SE +/- 0.05, N = 3SE +/- 0.10, N = 3SE +/- 0.21, N = 3SE +/- 0.08, N = 3SE +/- 0.04, N = 3SE +/- 0.04, N = 3SE +/- 0.04, N = 3SE +/- 0.04, N = 3SE +/- 0.07, N = 3SE +/- 0.02, N = 3SE +/- 0.18, N = 39.7831.0736.5338.4549.5949.6350.0232.2632.1412.2324.9639.6737.5749.7048.9749.99

Timed Apache Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Apache Compilation 2.4.7Time To CompileClang: -O0Clang: -O1Clang: -O2Clang: -O2 -march=nativeClang: -O3Clang: -O3 -march=nativeClang: -Ofast -march=nativeGCC 4.8.5 20150623GCC 4.8.5 run2GCC: -O0GCC: -O1GCC: -O2GCC: -O2 -march=nativeGCC: -O3GCC: -O3 -march=nativeGCC: -Ofast -march=native714212835SE +/- 0.12, N = 3SE +/- 0.03, N = 3SE +/- 0.06, N = 3SE +/- 0.04, N = 3SE +/- 0.04, N = 3SE +/- 0.05, N = 3SE +/- 0.05, N = 3SE +/- 0.05, N = 3SE +/- 0.05, N = 3SE +/- 0.05, N = 3SE +/- 0.07, N = 3SE +/- 0.03, N = 3SE +/- 0.07, N = 3SE +/- 0.04, N = 3SE +/- 0.05, N = 3SE +/- 0.04, N = 310.9318.8522.3623.1022.8323.0723.1529.8729.8811.0817.0023.1222.8424.8825.1725.16

Himeno Benchmark

Poisson Pressure Solver

OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverClang: -O0Clang: -O1Clang: -O2Clang: -O2 -march=nativeClang: -O3Clang: -O3 -march=nativeClang: -Ofast -march=nativeGCC 4.8.5 20150623GCC 4.8.5 run2GCC: -O0GCC: -O1GCC: -O2GCC: -O2 -march=nativeGCC: -O3GCC: -O3 -march=nativeGCC: -Ofast -march=native6001200180024003000SE +/- 4.31, N = 3SE +/- 3.51, N = 3SE +/- 5.22, N = 3SE +/- 0.78, N = 3SE +/- 1.61, N = 3SE +/- 14.49, N = 3SE +/- 3.27, N = 3SE +/- 3.00, N = 3SE +/- 0.82, N = 3SE +/- 1.58, N = 3SE +/- 7.15, N = 3SE +/- 2.14, N = 3SE +/- 5.04, N = 3SE +/- 2.83, N = 3SE +/- 13.72, N = 3SE +/- 8.78, N = 3325.271931.062036.001923.642001.771962.712114.801343.841345.69496.061302.832429.372653.072485.142689.912757.77-O1-O2-O2 -march=native-march=native-Ofast -march=native-O0-O1-O2-O2 -march=native-march=native-Ofast -march=native1. (CC) gcc options: -O3 -mavx2

GraphicsMagick

Operation: Local Adaptive Thresholding

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: Local Adaptive ThresholdingClang: -O0Clang: -O1Clang: -O2Clang: -O2 -march=nativeClang: -O3Clang: -O3 -march=nativeClang: -Ofast -march=nativeGCC 4.8.5 20150623GCC 4.8.5 run2GCC: -O0GCC: -O1GCC: -O2GCC: -O2 -march=nativeGCC: -O3GCC: -O3 -march=nativeGCC: -Ofast -march=native20406080100SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 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 = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 322891009910010210159592292100103103104104-O0 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O1 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O2 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O2 -march=native -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O3 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O3 -march=native -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-Ofast -march=native -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-std=gnu99 -O2-std=gnu99 -O2-O0 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O1 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O2 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O2 -march=native -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O3 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O3 -march=native -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-Ofast -march=native -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz21. (CC) gcc options: -fopenmp -pthread -lz -lm -lgomp -lpthread

GraphicsMagick

Operation: HWB Color Space

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: HWB Color SpaceClang: -O0Clang: -O1Clang: -O2Clang: -O2 -march=nativeClang: -O3Clang: -O3 -march=nativeClang: -Ofast -march=nativeGCC 4.8.5 20150623GCC 4.8.5 run2GCC: -O0GCC: -O1GCC: -O2GCC: -O2 -march=nativeGCC: -O3GCC: -O3 -march=nativeGCC: -Ofast -march=native50100150200250SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.58, N = 3SE +/- 0.00, N = 3SE +/- 0.67, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.33, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3100192193196192196198145145136226213228228234237-O0 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O1 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O2 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O2 -march=native -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O3 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O3 -march=native -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-Ofast -march=native -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-std=gnu99 -O2-std=gnu99 -O2-O0 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O1 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O2 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O2 -march=native -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O3 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O3 -march=native -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-Ofast -march=native -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz21. (CC) gcc options: -fopenmp -pthread -lz -lm -lgomp -lpthread

GraphicsMagick

Operation: Blur

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: BlurClang: -O0Clang: -O1Clang: -O2Clang: -O2 -march=nativeClang: -O3Clang: -O3 -march=nativeClang: -Ofast -march=nativeGCC 4.8.5 20150623GCC 4.8.5 run2GCC: -O0GCC: -O1GCC: -O2GCC: -O2 -march=nativeGCC: -O3GCC: -O3 -march=nativeGCC: -Ofast -march=native4080120160200SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.33, N = 3SE +/- 0.00, N = 375150150150150153153113112107170169173170178177-O0 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O1 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O2 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O2 -march=native -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O3 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O3 -march=native -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-Ofast -march=native -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-std=gnu99 -O2-std=gnu99 -O2-O0 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O1 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O2 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O2 -march=native -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O3 -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-O3 -march=native -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2-Ofast -march=native -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz21. (CC) gcc options: -fopenmp -pthread -lz -lm -lgomp -lpthread

Timed HMMer Search

Pfam Database Search

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database SearchClang: -O0Clang: -O1Clang: -O2Clang: -O2 -march=nativeClang: -O3Clang: -O3 -march=nativeClang: -Ofast -march=nativeGCC 4.8.5 20150623GCC 4.8.5 run2GCC: -O0GCC: -O1GCC: -O2GCC: -O2 -march=nativeGCC: -O3GCC: -O3 -march=nativeGCC: -Ofast -march=native612182430SE +/- 0.03, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.09, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.03, N = 3SE +/- 0.03, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.02, N = 3SE +/- 0.00, N = 323.238.978.298.298.408.298.129.149.0926.898.868.358.358.178.168.00-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native-O2-O2-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native1. (CC) gcc options: -pthread -lhmmer -lsquid -lm

Phoronix Test Suite v10.8.4