Skylake Xeon GCC vs. Clang Compiler Optimization Tests

Intel Xeon E3-1280 v5 testing with a MSI C236A WORKSTATION. GCC versus LLVM Clang compiler optimization CFLAGS/CXXFLAGS benchmarks by Michael Larabel for a future article on Phoronix.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1602297-GA-SKYLAKEXE76
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Audio Encoding 2 Tests
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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
 
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Skylake Xeon GCC vs. Clang 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 20160222Clang 3.8.0-+rc2-1~exp1ubuntu2ext43840x2160ProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilersFile-SystemScreen ResolutionSkylake Xeon GCC Vs. Clang Compiler Optimization Tests PerformanceSystem Logs- GCC: -O0, GCC: -O1, GCC: -O2, GCC: -O2 -march=native, GCC: -O3, GCC: -O3 -march=native, 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 - Scaling Governor: intel_pstate powersave

hmmer: Pfam Database Searchgraphics-magick: Blurgraphics-magick: HWB Color Spacegraphics-magick: Local Adaptive Thresholdinghimeno: Poisson Pressure Solverbuild-apache: Time To Compilebuild-imagemagick: Time To Compilebuild-php: Time To Compilec-ray: Total Timeencode-flac: WAV To FLACencode-mp3: WAV To MP3redis: GETredis: SEThint: FLOATGCCClang -O0 -O1 -O2 -O2 -march=native -O3 -O3 -march=native -Ofast -march=native -O0 -O1 -O2 -O2 -march=native -O3 -O3 -march=native -Ofast -march=native26.8910713622496.0611.0812.237.2761.5337.5630.501663526.961189110.86127505415.488.86170226921302.8317.0024.9613.3543.155.9713.252953039.462175575.75295705864.248.351692131002429.3723.1239.6719.1238.195.2212.903007445.962136957.54370257620.558.351732281032653.0722.8437.5718.6827.834.8711.992951037.212076614.15408904948.748.171702281032485.1424.8849.7021.2119.655.1012.102910194.792183433.83381719210.598.161782341042689.9125.1748.9721.6814.604.8810.693116395.332104521.04407575756.088.001772371042757.7725.1649.9921.7513.924.899.513023321.582243907.58392373251.2023.237510022325.2710.939.786.4457.0947.9531.951864548.291263741.85129742642.758.97150192891931.0618.8531.0713.5832.346.9712.043067218.961977929.48335679881.798.291501931002036.0022.3636.5316.9637.296.6612.172962310.252127555.19387996153.748.29150196991923.6423.1038.4517.9236.225.2612.033102899.832064604.79288801639.398.401501921002001.7722.8349.5917.5925.616.7112.162923813.881962280.52386593550.688.291531961021962.7123.0749.6317.9025.205.1111.662862656.752037699.96296846752.578.121531981012114.8023.1550.0217.9520.645.0511.103100373.252078148.71295042490.70OpenBenchmarking.org

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.

GCCClangOpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database Search-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native612182430SE +/- 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 = 3SE +/- 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 = 326.898.868.358.358.178.168.0023.238.978.298.298.408.298.121. (CC) gcc options: -pthread -lhmmer -lsquid -lm
GCCClangOpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database Search-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native612182430Min: 26.85 / Avg: 26.89 / Max: 26.92Min: 8.84 / Avg: 8.86 / Max: 8.9Min: 8.33 / Avg: 8.35 / Max: 8.36Min: 8.32 / Avg: 8.35 / Max: 8.36Min: 8.16 / Avg: 8.17 / Max: 8.18Min: 8.13 / Avg: 8.16 / Max: 8.21Min: 7.99 / Avg: 8 / Max: 8Min: 23.2 / Avg: 23.23 / Max: 23.28Min: 8.93 / Avg: 8.97 / Max: 9Min: 8.27 / Avg: 8.29 / Max: 8.32Min: 8.26 / Avg: 8.29 / Max: 8.31Min: 8.28 / Avg: 8.4 / Max: 8.58Min: 8.26 / Avg: 8.29 / Max: 8.33Min: 8.11 / Avg: 8.12 / Max: 8.141. (CC) gcc options: -pthread -lhmmer -lsquid -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.

GCCClangOpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: Blur-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native4080120160200SE +/- 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 = 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 +/- 0.00, N = 3107170169173170178177751501501501501531531. (CC) gcc options: -fopenmp -pthread -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2 -lz -lm -lgomp -lpthread
GCCClangOpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: Blur-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native306090120150Min: 107 / Avg: 107 / Max: 107Min: 170 / Avg: 170 / Max: 170Min: 169 / Avg: 169 / Max: 169Min: 173 / Avg: 173 / Max: 173Min: 170 / Avg: 170.33 / Max: 171Min: 177 / Avg: 177.67 / Max: 178Min: 177 / Avg: 177 / Max: 177Min: 75 / Avg: 75 / Max: 75Min: 150 / Avg: 150 / Max: 150Min: 150 / Avg: 150 / Max: 150Min: 150 / Avg: 150 / Max: 150Min: 150 / Avg: 150 / Max: 150Min: 153 / Avg: 153.33 / Max: 154Min: 153 / Avg: 153 / Max: 1531. (CC) gcc options: -fopenmp -pthread -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2 -lz -lm -lgomp -lpthread

GCCClangOpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: HWB Color Space-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native50100150200250SE +/- 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 = 3SE +/- 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 = 31362262132282282342371001921931961921961981. (CC) gcc options: -fopenmp -pthread -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2 -lz -lm -lgomp -lpthread
GCCClangOpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: HWB Color Space-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native4080120160200Min: 136 / Avg: 136 / Max: 136Min: 225 / Avg: 225.67 / Max: 226Min: 213 / Avg: 213.33 / Max: 214Min: 228 / Avg: 228.33 / Max: 229Min: 228 / Avg: 228 / Max: 228Min: 234 / Avg: 234 / Max: 234Min: 237 / Avg: 237.33 / Max: 238Min: 100 / Avg: 100 / Max: 100Min: 192 / Avg: 192 / Max: 192Min: 192 / Avg: 192.67 / Max: 193Min: 195 / Avg: 196 / Max: 197Min: 192 / Avg: 192 / Max: 192Min: 195 / Avg: 196.33 / Max: 197Min: 198 / Avg: 198.33 / Max: 1991. (CC) gcc options: -fopenmp -pthread -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2 -lz -lm -lgomp -lpthread

GCCClangOpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: Local Adaptive Thresholding-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native20406080100SE +/- 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 = 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 +/- 0.33, N = 322921001031031041042289100991001021011. (CC) gcc options: -fopenmp -pthread -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2 -lz -lm -lgomp -lpthread
GCCClangOpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.19Operation: Local Adaptive Thresholding-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native20406080100Min: 22 / Avg: 22 / Max: 22Min: 92 / Avg: 92 / Max: 92Min: 100 / Avg: 100 / Max: 100Min: 103 / Avg: 103 / Max: 103Min: 103 / Avg: 103 / Max: 103Min: 104 / Avg: 104 / Max: 104Min: 104 / Avg: 104.33 / Max: 105Min: 22 / Avg: 22 / Max: 22Min: 88 / Avg: 88.67 / Max: 89Min: 100 / Avg: 100 / Max: 100Min: 99 / Avg: 99.33 / Max: 100Min: 100 / Avg: 100 / Max: 100Min: 102 / Avg: 102 / Max: 102Min: 100 / Avg: 100.67 / Max: 1011. (CC) gcc options: -fopenmp -pthread -ljbig -lwebp -ltiff -ljpeg -lXext -lSM -lICE -lX11 -llzma -lbz2 -lz -lm -lgomp -lpthread

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.

GCCClangOpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure Solver-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native6001200180024003000SE +/- 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 = 3SE +/- 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 = 3496.061302.832429.372653.072485.142689.912757.77325.271931.062036.001923.642001.771962.712114.801. (CC) gcc options: -O3 -mavx2
GCCClangOpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure Solver-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native5001000150020002500Min: 493.26 / Avg: 496.06 / Max: 498.74Min: 1293.1 / Avg: 1302.83 / Max: 1316.78Min: 2426.18 / Avg: 2429.37 / Max: 2433.45Min: 2643.24 / Avg: 2653.07 / Max: 2659.9Min: 2479.9 / Avg: 2485.14 / Max: 2489.6Min: 2665.62 / Avg: 2689.91 / Max: 2713.1Min: 2740.42 / Avg: 2757.77 / Max: 2768.83Min: 316.65 / Avg: 325.27 / Max: 329.83Min: 1925.73 / Avg: 1931.06 / Max: 1937.68Min: 2025.75 / Avg: 2036 / Max: 2042.87Min: 1922.31 / Avg: 1923.64 / Max: 1925Min: 1999.27 / Avg: 2001.77 / Max: 2004.79Min: 1933.97 / Avg: 1962.71 / Max: 1980.24Min: 2111.39 / Avg: 2114.8 / Max: 2121.331. (CC) gcc options: -O3 -mavx2

Timed Apache Compilation

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

GCCClangOpenBenchmarking.orgSeconds, Fewer Is BetterTimed Apache Compilation 2.4.7Time To Compile-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native612182430SE +/- 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 = 3SE +/- 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 = 311.0817.0023.1222.8424.8825.1725.1610.9318.8522.3623.1022.8323.0723.15
GCCClangOpenBenchmarking.orgSeconds, Fewer Is BetterTimed Apache Compilation 2.4.7Time To Compile-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native612182430Min: 10.99 / Avg: 11.08 / Max: 11.15Min: 16.87 / Avg: 17 / Max: 17.1Min: 23.06 / Avg: 23.12 / Max: 23.16Min: 22.7 / Avg: 22.84 / Max: 22.92Min: 24.82 / Avg: 24.88 / Max: 24.95Min: 25.09 / Avg: 25.17 / Max: 25.27Min: 25.08 / Avg: 25.16 / Max: 25.23Min: 10.81 / Avg: 10.93 / Max: 11.16Min: 18.8 / Avg: 18.85 / Max: 18.91Min: 22.28 / Avg: 22.36 / Max: 22.49Min: 23.02 / Avg: 23.1 / Max: 23.17Min: 22.77 / Avg: 22.83 / Max: 22.91Min: 22.97 / Avg: 23.07 / Max: 23.15Min: 23.05 / Avg: 23.15 / Max: 23.21

Timed ImageMagick Compilation

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

GCCClangOpenBenchmarking.orgSeconds, Fewer Is BetterTimed ImageMagick Compilation 6.9.0Time To Compile-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native1122334455SE +/- 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 = 3SE +/- 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 = 312.2324.9639.6737.5749.7048.9749.999.7831.0736.5338.4549.5949.6350.02
GCCClangOpenBenchmarking.orgSeconds, Fewer Is BetterTimed ImageMagick Compilation 6.9.0Time To Compile-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native1020304050Min: 12.16 / Avg: 12.23 / Max: 12.28Min: 24.89 / Avg: 24.96 / Max: 25.01Min: 39.6 / Avg: 39.67 / Max: 39.74Min: 37.51 / Avg: 37.57 / Max: 37.65Min: 49.56 / Avg: 49.7 / Max: 49.79Min: 48.92 / Avg: 48.97 / Max: 49Min: 49.69 / Avg: 49.99 / Max: 50.32Min: 9.67 / Avg: 9.78 / Max: 9.84Min: 30.98 / Avg: 31.07 / Max: 31.17Min: 36.45 / Avg: 36.53 / Max: 36.62Min: 38.17 / Avg: 38.45 / Max: 38.77Min: 49.35 / Avg: 49.59 / Max: 49.74Min: 49.53 / Avg: 49.63 / Max: 49.69Min: 49.92 / Avg: 50.02 / Max: 50.22

Timed PHP Compilation

GCCClangOpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To Compile-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native510152025SE +/- 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 = 3SE +/- 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 = 37.2713.3519.1218.6821.2121.6821.756.4413.5816.9617.9217.5917.9017.951. (CC) gcc options: -pedantic -ldl -lz -lm
GCCClangOpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To Compile-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native510152025Min: 7.22 / Avg: 7.27 / Max: 7.31Min: 13.3 / Avg: 13.35 / Max: 13.38Min: 19.05 / Avg: 19.12 / Max: 19.18Min: 18.62 / Avg: 18.68 / Max: 18.72Min: 21.17 / Avg: 21.21 / Max: 21.26Min: 21.61 / Avg: 21.68 / Max: 21.74Min: 21.71 / Avg: 21.75 / Max: 21.78Min: 6.43 / Avg: 6.44 / Max: 6.46Min: 13.55 / Avg: 13.58 / Max: 13.61Min: 16.9 / Avg: 16.96 / Max: 17.01Min: 17.79 / Avg: 17.92 / Max: 18.05Min: 17.55 / Avg: 17.59 / Max: 17.64Min: 17.84 / Avg: 17.9 / Max: 17.97Min: 17.93 / Avg: 17.95 / Max: 17.961. (CC) gcc options: -pedantic -ldl -lz -lm

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.

GCCClangOpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total Time-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native1428425670SE +/- 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 = 3SE +/- 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 = 361.5343.1538.1927.8319.6514.6013.9257.0932.3437.2936.2225.6125.2020.641. (CC) gcc options: -lm -lpthread -O3
GCCClangOpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total Time-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native1224364860Min: 61.49 / Avg: 61.53 / Max: 61.55Min: 43.14 / Avg: 43.15 / Max: 43.16Min: 38.17 / Avg: 38.19 / Max: 38.21Min: 27.82 / Avg: 27.83 / Max: 27.83Min: 19.64 / Avg: 19.65 / Max: 19.65Min: 14.57 / Avg: 14.6 / Max: 14.65Min: 13.9 / Avg: 13.92 / Max: 13.98Min: 57.02 / Avg: 57.09 / Max: 57.14Min: 32.34 / Avg: 32.34 / Max: 32.35Min: 37.27 / Avg: 37.29 / Max: 37.3Min: 36.14 / Avg: 36.22 / Max: 36.3Min: 25.59 / Avg: 25.61 / Max: 25.63Min: 25.19 / Avg: 25.2 / Max: 25.21Min: 20.58 / Avg: 20.64 / Max: 20.71. (CC) gcc options: -lm -lpthread -O3

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.

GCCClangOpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.1WAV To FLAC-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native1122334455SE +/- 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 = 5SE +/- 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 = 537.565.975.224.875.104.884.8947.956.976.665.266.715.115.051. (CXX) g++ options: -logg -lm
GCCClangOpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.1WAV To FLAC-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native1020304050Min: 37.4 / Avg: 37.56 / Max: 37.92Min: 5.94 / Avg: 5.97 / Max: 5.98Min: 5.17 / Avg: 5.22 / Max: 5.25Min: 4.86 / Avg: 4.87 / Max: 4.88Min: 5.05 / Avg: 5.1 / Max: 5.16Min: 4.86 / Avg: 4.88 / Max: 4.91Min: 4.87 / Avg: 4.89 / Max: 4.91Min: 47.72 / Avg: 47.95 / Max: 48.41Min: 6.95 / Avg: 6.97 / Max: 6.98Min: 6.63 / Avg: 6.66 / Max: 6.68Min: 5.23 / Avg: 5.26 / Max: 5.28Min: 6.64 / Avg: 6.71 / Max: 6.88Min: 5.08 / Avg: 5.11 / Max: 5.17Min: 5.04 / Avg: 5.05 / Max: 5.071. (CXX) g++ options: -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.

GCCClangOpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native714212835SE +/- 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 = 5SE +/- 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 = 530.5013.2512.9011.9912.1010.699.5131.9512.0412.1712.0312.1611.6611.101. (CC) gcc options: -pipe -lncurses -lm
GCCClangOpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native714212835Min: 30.37 / Avg: 30.5 / Max: 30.76Min: 13.24 / Avg: 13.25 / Max: 13.26Min: 12.82 / Avg: 12.9 / Max: 12.96Min: 11.96 / Avg: 11.99 / Max: 12.03Min: 12.06 / Avg: 12.1 / Max: 12.13Min: 10.64 / Avg: 10.69 / Max: 10.73Min: 9.5 / Avg: 9.51 / Max: 9.53Min: 31.8 / Avg: 31.95 / Max: 32.3Min: 12.02 / Avg: 12.04 / Max: 12.06Min: 12.15 / Avg: 12.17 / Max: 12.2Min: 11.96 / Avg: 12.03 / Max: 12.1Min: 12.11 / Avg: 12.16 / Max: 12.21Min: 11.62 / Avg: 11.66 / Max: 11.71Min: 11.07 / Avg: 11.1 / Max: 11.141. (CC) gcc options: -pipe -lncurses -lm

Redis

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

GCCClangOpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: GET-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native700K1400K2100K2800K3500KSE +/- 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 = 6SE +/- 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 = 51663526.962953039.463007445.962951037.212910194.793116395.333023321.581864548.293067218.962962310.253102899.832923813.882862656.753100373.251. (CC) gcc options: -ggdb -rdynamic -lm -pthread -ldl
GCCClangOpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: GET-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native500K1000K1500K2000K2500KMin: 1501501.5 / Avg: 1663526.96 / Max: 1766784.5Min: 2487562.25 / Avg: 2953039.46 / Max: 3289473.75Min: 2680965.25 / Avg: 3007445.96 / Max: 3289473.75Min: 2597402.75 / Avg: 2951037.21 / Max: 3322259.25Min: 2583979.25 / Avg: 2910194.79 / Max: 3236246Min: 2638522.25 / Avg: 3116395.33 / Max: 3322259.25Min: 2652519.75 / Avg: 3023321.58 / Max: 3344481.75Min: 1858736.12 / Avg: 1864548.29 / Max: 1876172.62Min: 2512562.75 / Avg: 3067218.96 / Max: 3289473.75Min: 2512562.75 / Avg: 2962310.25 / Max: 3164556.75Min: 3048780.5 / Avg: 3102899.83 / Max: 3144654.25Min: 2577319.5 / Avg: 2923813.88 / Max: 3144654.25Min: 2518891.5 / Avg: 2862656.75 / Max: 3164556.75Min: 2941176.5 / Avg: 3100373.25 / Max: 3184713.251. (CC) gcc options: -ggdb -rdynamic -lm -pthread -ldl

GCCClangOpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: SET-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native500K1000K1500K2000K2500KSE +/- 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 = 3SE +/- 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 = 61189110.862175575.752136957.542076614.152183433.832104521.042243907.581263741.851977929.482127555.192064604.791962280.522037699.962078148.711. (CC) gcc options: -ggdb -rdynamic -lm -pthread -ldl
GCCClangOpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: SET-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native400K800K1200K1600K2000KMin: 1133786.75 / Avg: 1189110.86 / Max: 1270648Min: 2092050.25 / Avg: 2175575.75 / Max: 2227171.5Min: 2053388.12 / Avg: 2136957.54 / Max: 2192982.5Min: 1908397 / Avg: 2076614.15 / Max: 2277904.25Min: 2173913 / Avg: 2183433.83 / Max: 2192982.5Min: 1801801.75 / Avg: 2104521.04 / Max: 2197802.25Min: 2232142.75 / Avg: 2243907.58 / Max: 2262443.5Min: 1213592.25 / Avg: 1263741.85 / Max: 1312335.88Min: 1700680.25 / Avg: 1977929.48 / Max: 2178649.25Min: 1901140.62 / Avg: 2127555.19 / Max: 2237136.5Min: 2012072.38 / Avg: 2064604.79 / Max: 2136752.25Min: 1760563.38 / Avg: 1962280.52 / Max: 2247191Min: 1805054.12 / Avg: 2037699.96 / Max: 2183406Min: 1919385.75 / Avg: 2078148.71 / Max: 2227171.51. (CC) gcc options: -ggdb -rdynamic -lm -pthread -ldl

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.

GCCClangOpenBenchmarking.orgQUIPs, More Is BetterHierarchical INTegration 1.0Test: FLOAT-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native90M180M270M360M450MSE +/- 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 = 3SE +/- 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 = 3127505415.48295705864.24370257620.55408904948.74381719210.59407575756.08392373251.20129742642.75335679881.79387996153.74288801639.39386593550.68296846752.57295042490.701. (CC) gcc options: -lm
GCCClangOpenBenchmarking.orgQUIPs, More Is BetterHierarchical INTegration 1.0Test: FLOAT-O0-O1-O2-O2 -march=native-O3-O3 -march=native-Ofast -march=native70M140M210M280M350MMin: 126887159.62 / Avg: 127505415.48 / Max: 128031343.24Min: 295186580.04 / Avg: 295705864.24 / Max: 296022431.44Min: 368684574.31 / Avg: 370257620.55 / Max: 371357789.83Min: 407251495.19 / Avg: 408904948.74 / Max: 409988950.39Min: 380593199.66 / Avg: 381719210.59 / Max: 383018654.79Min: 407080587.93 / Avg: 407575756.08 / Max: 408514782.22Min: 391126756.08 / Avg: 392373251.2 / Max: 393048087.39Min: 129469565.35 / Avg: 129742642.75 / Max: 130138492.4Min: 335029874.66 / Avg: 335679881.79 / Max: 336071314.94Min: 386711864.26 / Avg: 387996153.74 / Max: 389046866.79Min: 288566770.15 / Avg: 288801639.39 / Max: 289131940.73Min: 385323792.57 / Avg: 386593550.68 / Max: 387861656.07Min: 296701933.05 / Avg: 296846752.57 / Max: 297056108.76Min: 294787809.19 / Avg: 295042490.7 / Max: 295413190.121. (CC) gcc options: -lm