LLVM Clang 4.0 vs. GCC 7 January 2017 Compiler Benchmarks

Intel Core i7-6800K GCC7 vs. LLVM Clang compiler benchmarks. Tests by Michael Larabel for a future article on phoronix.

HTML result view exported from: https://openbenchmarking.org/result/1701270-PTS-CLANG4GC49&gru&sor.

LLVM Clang 4.0 vs. GCC 7 January 2017 Compiler BenchmarksProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLVulkanCompilerFile-SystemScreen ResolutionGCC 4.9.4GCC 5.4.0GCC 6.3.0GCC 7.0.0 20170108Clang 3.9.1Clang 4.0 SVNIntel Core i7-6800K @ 3.80GHz (12 Cores)MSI X99A WORKSTATION (MS-7A54) v1.0Intel Xeon E7 v4/Xeon16384MB120GB Samsung SSD 850 + 4 x 120GB TOSHIBA-TR150NVIDIA GeForce GTX TITAN X 12288MBRealtek ALC1150Intel ConnectionUbuntu 16.044.4.0-59-generic (x86_64)Unity 7.4.0X Server 1.18.4NVIDIA 375.27.034.5.01.0.8GCC 4.9.4ext42560x1440GCC 5.4.0GCC 6.3.0GCC 7.0.0 20170108Clang 3.9.1-svn288847-1~exp1 + CUDA 8.0Clang 4.0.0-svn293074-1~exp1 + CUDA 8.0OpenBenchmarking.orgCompiler Details- GCC 4.9.4, GCC 5.4.0, GCC 6.3.0, GCC 7.0.0 20170108: --disable-multilib --enable-checking=release --enable-languages=c,c++,fortranDisk Details- DEADLINE / data=ordered,errors=remount-ro,relatime,rwProcessor Details- Scaling Governor: intel_pstate powersaveOpenCL Details- GPU Compute Cores: 3072System Details- Python 2.7.12. GPU Compute Cores: 3072.

LLVM Clang 4.0 vs. GCC 7 January 2017 Compiler Benchmarkshpcc: G-Ptranshpcc: EP-STREAM Triadhpcc: G-HPLhpcc: G-Fftehpcc: EP-DGEMMtjbench: Decompression Throughputfftw: Float + SSE - 2D FFT Size 2048scimark2: Compositescimark2: Monte Carloscimark2: Fast Fourier Transformscimark2: Sparse Matrix Multiplyscimark2: Dense LU Matrix Factorizationscimark2: Jacobi Successive Over-Relaxationhimeno: Poisson Pressure Solvercompress-7zip: Compress Speed Testtscp: AI Chess Performanceebizzy: Phoronix Test Suite v7.0.0m1redis: GETredis: SETapache: Static Web Page Servingopenssl: RSA 4096-bit Performancepgbench: Buffer Test - Normal Load - Read Writecaffe: CPU AlexNetcaffe: CPU Googlenetstockfish: Total Timemultichase: 4MB Array, 64 Byte Stridemultichase: 256MB Array, 256 Byte Stridemultichase: 1GB Array, 256 Byte Stride, 4 Threadst-test1: 1hmmer: Pfam Database Searchmafft: Multiple Sequence Alignmentbuild-imagemagick: Time To Compilebuild-php: Time To Compilec-ray: Total Timebullet: Raytestsbullet: 3000 Fallbullet: 1000 Stackbullet: 1000 Convexbullet: 136 Ragdollsbullet: Prim Trimeshbullet: Convex Trimeshcrafty: Elapsed Timeencode-flac: WAV To FLACencode-mp3: WAV To MP3ffmpeg: H.264 HD To NTSC DVminion: Gracefulminion: Solitaireminion: QuasigroupGCC 4.9.4GCC 5.4.0GCC 6.3.0GCC 7.0.0 20170108Clang 3.9.1Clang 4.0 SVN4.151593.3143173.202036.385036.73993156.87133681504.18613.36339.432565.532791.881210.681803.233246912393751948022054039.041650185.9245057.24981.577986.3433866.9856.8265.3524.357.243.5219.4612.372.864.825.294.993.251.151.3170.126.2710.2917.6264.6685.22136.804.087272.9163773.698606.447516.78137156.14138351422.54641.57340.072172.902747.541210.651816.483218412316151861042237143.921661193.9244610.32984.537963.8839720376492934796.9758.4266.1425.387.243.5943.1818.9612.282.854.685.214.963.201.101.3170.206.7510.6817.5864.3084.99139.774.168732.7578773.883176.568456.80147157.87141111497.82643.99340.012567.752726.621210.762179.243266512690731956412198076.581528154.6944730.44983.137986.0136081678015734626.9857.3864.7923.897.243.6563.9319.5312.232.864.675.235.003.201.091.3068.996.6610.4517.6665.2483.48138.364.153862.6965173.719006.392076.79701158.08140211627.73647.15341.032587.403349.491213.542187.013387512266771846352158090.651684492.4645489.99982.707969.8536342878426334196.9758.4965.6324.667.173.7151.1619.5713.942.964.625.215.623.171.071.3768.146.6410.6016.9865.5185.76140.724.203062.92642136.476006.4964017.72063165.90133372189.66268.97348.532815.315699.091816.411707.223417311262152150212138355.671522549.1245813.18976.437975.1939754377506734386.9759.1364.3625.007.233.7841.9120.3918.122.974.935.645.073.381.101.2968.016.4513.5819.1562.3985.55138.854.188343.17431136.663676.4836018.07377162.16133532219.84685.52340.462624.135632.911816.211705.683405411803852182142039510.771491974.1145498.68980.407954.2439508379001433646.9757.4865.1423.787.213.9043.0715.8017.902.964.915.645.163.391.101.3168.146.4511.4217.3762.2685.44138.77OpenBenchmarking.org

HPC Challenge

Test / Class: G-Ptrans

OpenBenchmarking.orgGB/s, More Is BetterHPC Challenge 1.4.3Test / Class: G-PtransClang 3.9.1Clang 4.0 SVNGCC 6.3.0GCC 7.0.0 20170108GCC 4.9.4GCC 5.4.00.94571.89142.83713.78284.7285SE +/- 0.00163, N = 3SE +/- 0.02010, N = 3SE +/- 0.03550, N = 3SE +/- 0.02840, N = 3SE +/- 0.03617, N = 3SE +/- 0.02941, N = 34.203064.188344.168734.153864.151594.087271. (CC) gcc options: -lblas -lm -pthread -lmpi -fomit-frame-pointer -O3 -march=native -funroll-loops2. BLAS + Open MPI 1.10.2

HPC Challenge

Test / Class: EP-STREAM Triad

OpenBenchmarking.orgGB/s, More Is BetterHPC Challenge 1.4.3Test / Class: EP-STREAM TriadGCC 4.9.4Clang 4.0 SVNClang 3.9.1GCC 5.4.0GCC 6.3.0GCC 7.0.0 201701080.74571.49142.23712.98283.7285SE +/- 0.13310, N = 3SE +/- 0.09067, N = 3SE +/- 0.05203, N = 3SE +/- 0.16749, N = 3SE +/- 0.10335, N = 3SE +/- 0.03993, N = 33.314313.174312.926422.916372.757872.696511. (CC) gcc options: -lblas -lm -pthread -lmpi -fomit-frame-pointer -O3 -march=native -funroll-loops2. BLAS + Open MPI 1.10.2

HPC Challenge

Test / Class: G-HPL

OpenBenchmarking.orgGFLOPS, More Is BetterHPC Challenge 1.4.3Test / Class: G-HPLClang 4.0 SVNClang 3.9.1GCC 6.3.0GCC 7.0.0 20170108GCC 5.4.0GCC 4.9.4306090120150SE +/- 0.43, N = 3SE +/- 0.32, N = 3SE +/- 0.26, N = 3SE +/- 0.14, N = 3SE +/- 0.03, N = 3SE +/- 0.26, N = 3136.66136.4873.8873.7273.7073.201. (CC) gcc options: -lblas -lm -pthread -lmpi -fomit-frame-pointer -O3 -march=native -funroll-loops2. BLAS + Open MPI 1.10.2

HPC Challenge

Test / Class: G-Ffte

OpenBenchmarking.orgGFLOPS, More Is BetterHPC Challenge 1.4.3Test / Class: G-FfteGCC 6.3.0Clang 3.9.1Clang 4.0 SVNGCC 5.4.0GCC 7.0.0 20170108GCC 4.9.4246810SE +/- 0.01518, N = 3SE +/- 0.02520, N = 3SE +/- 0.04097, N = 3SE +/- 0.05490, N = 3SE +/- 0.07723, N = 3SE +/- 0.03120, N = 36.568456.496406.483606.447516.392076.385031. (CC) gcc options: -lblas -lm -pthread -lmpi -fomit-frame-pointer -O3 -march=native -funroll-loops2. BLAS + Open MPI 1.10.2

HPC Challenge

Test / Class: EP-DGEMM

OpenBenchmarking.orgGFLOPS, More Is BetterHPC Challenge 1.4.3Test / Class: EP-DGEMMClang 4.0 SVNClang 3.9.1GCC 6.3.0GCC 7.0.0 20170108GCC 5.4.0GCC 4.9.448121620SE +/- 0.38223, N = 3SE +/- 0.01624, N = 3SE +/- 0.00120, N = 3SE +/- 0.00215, N = 3SE +/- 0.01720, N = 3SE +/- 0.05234, N = 318.0737717.720636.801476.797016.781376.739931. (CC) gcc options: -lblas -lm -pthread -lmpi -fomit-frame-pointer -O3 -march=native -funroll-loops2. BLAS + Open MPI 1.10.2

libjpeg-turbo tjbench

Test: Decompression Throughput

OpenBenchmarking.orgMegapixels/sec, More Is Betterlibjpeg-turbo tjbench 1.5.1Test: Decompression ThroughputClang 3.9.1Clang 4.0 SVNGCC 7.0.0 20170108GCC 6.3.0GCC 4.9.4GCC 5.4.04080120160200SE +/- 3.31, N = 3SE +/- 0.63, N = 3SE +/- 1.01, N = 3SE +/- 0.39, N = 3SE +/- 0.21, N = 3SE +/- 0.09, N = 3165.90162.16158.08157.87156.87156.141. (CC) gcc options: -O3 -march=native -lm

FFTW

Build: Float + SSE - Size: 2D FFT Size 2048

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.4Build: Float + SSE - Size: 2D FFT Size 2048GCC 6.3.0GCC 7.0.0 20170108GCC 5.4.0GCC 4.9.4Clang 4.0 SVNClang 3.9.13K6K9K12K15KSE +/- 56.20, N = 5SE +/- 102.73, N = 5SE +/- 47.65, N = 5SE +/- 43.00, N = 5SE +/- 46.10, N = 5SE +/- 32.87, N = 5141111402113835133681335313337-std=gnu991. (CC) gcc options: -O3 -march=native -lm

SciMark

Computational Test: Composite

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: CompositeClang 4.0 SVNClang 3.9.1GCC 7.0.0 20170108GCC 4.9.4GCC 6.3.0GCC 5.4.05001000150020002500SE +/- 2.82, N = 4SE +/- 1.08, N = 4SE +/- 5.61, N = 4SE +/- 5.44, N = 4SE +/- 0.76, N = 4SE +/- 1.39, N = 42219.842189.661627.731504.181497.821422.541. (CXX) g++ options: -O3 -march=native

SciMark

Computational Test: Monte Carlo

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloClang 4.0 SVNGCC 7.0.0 20170108GCC 6.3.0GCC 5.4.0GCC 4.9.4Clang 3.9.1150300450600750SE +/- 0.04, N = 4SE +/- 3.03, N = 4SE +/- 0.03, N = 4SE +/- 2.50, N = 4SE +/- 33.75, N = 4SE +/- 0.02, N = 4685.52647.15643.99641.57613.36268.971. (CXX) g++ options: -O3 -march=native

SciMark

Computational Test: Fast Fourier Transform

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformClang 3.9.1GCC 7.0.0 20170108Clang 4.0 SVNGCC 5.4.0GCC 6.3.0GCC 4.9.480160240320400SE +/- 0.61, N = 4SE +/- 0.83, N = 4SE +/- 0.12, N = 4SE +/- 0.51, N = 4SE +/- 0.15, N = 4SE +/- 0.48, N = 4348.53341.03340.46340.07340.01339.431. (CXX) g++ options: -O3 -march=native

SciMark

Computational Test: Sparse Matrix Multiply

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyClang 3.9.1Clang 4.0 SVNGCC 7.0.0 20170108GCC 6.3.0GCC 4.9.4GCC 5.4.06001200180024003000SE +/- 7.94, N = 4SE +/- 2.00, N = 4SE +/- 8.80, N = 4SE +/- 4.07, N = 4SE +/- 2.79, N = 4SE +/- 6.54, N = 42815.312624.132587.402567.752565.532172.901. (CXX) g++ options: -O3 -march=native

SciMark

Computational Test: Dense LU Matrix Factorization

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationClang 3.9.1Clang 4.0 SVNGCC 7.0.0 20170108GCC 4.9.4GCC 5.4.0GCC 6.3.012002400360048006000SE +/- 2.77, N = 4SE +/- 12.29, N = 4SE +/- 12.21, N = 4SE +/- 6.68, N = 4SE +/- 6.90, N = 4SE +/- 0.34, N = 45699.095632.913349.492791.882747.542726.621. (CXX) g++ options: -O3 -march=native

SciMark

Computational Test: Jacobi Successive Over-Relaxation

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationClang 3.9.1Clang 4.0 SVNGCC 7.0.0 20170108GCC 6.3.0GCC 4.9.4GCC 5.4.0400800120016002000SE +/- 0.06, N = 4SE +/- 0.05, N = 4SE +/- 3.46, N = 4SE +/- 0.21, N = 4SE +/- 0.30, N = 4SE +/- 0.24, N = 41816.411816.211213.541210.761210.681210.651. (CXX) g++ options: -O3 -march=native

Himeno Benchmark

Poisson Pressure Solver

OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverGCC 7.0.0 20170108GCC 6.3.0GCC 5.4.0GCC 4.9.4Clang 3.9.1Clang 4.0 SVN5001000150020002500SE +/- 1.23, N = 3SE +/- 3.74, N = 3SE +/- 0.56, N = 3SE +/- 0.82, N = 3SE +/- 0.30, N = 3SE +/- 1.40, N = 32187.012179.241816.481803.231707.221705.681. (CC) gcc options: -O3 -march=native -mavx2

7-Zip Compression

Compress Speed Test

OpenBenchmarking.orgMIPS, More Is Better7-Zip Compression 9.20.1Compress Speed TestClang 3.9.1Clang 4.0 SVNGCC 7.0.0 20170108GCC 6.3.0GCC 4.9.4GCC 5.4.07K14K21K28K35KSE +/- 158.21, N = 3SE +/- 274.11, N = 3SE +/- 303.27, N = 3SE +/- 154.09, N = 3SE +/- 179.79, N = 3SE +/- 117.90, N = 33417334054338753266532469321841. (CXX) g++ options: -pipe -lpthread

TSCP

AI Chess Performance

OpenBenchmarking.orgNodes Per Second, More Is BetterTSCP 1.81AI Chess PerformanceGCC 6.3.0GCC 4.9.4GCC 5.4.0GCC 7.0.0 20170108Clang 4.0 SVNClang 3.9.1300K600K900K1200K1500KSE +/- 0.00, N = 5SE +/- 682.67, N = 5SE +/- 550.00, N = 5SE +/- 0.00, N = 4SE +/- 17284.55, N = 5SE +/- 9791.09, N = 51269073123937512316151226677118038511262151. (CC) gcc options: -O3 -march=native

ebizzy

Phoronix Test Suite v7.0.0m1

OpenBenchmarking.orgRecords/s, More Is Betterebizzy 0.3Phoronix Test Suite v7.0.0m1Clang 4.0 SVNClang 3.9.1GCC 6.3.0GCC 4.9.4GCC 5.4.0GCC 7.0.0 2017010850K100K150K200K250KSE +/- 511.25, N = 3SE +/- 1941.51, N = 3SE +/- 3146.69, N = 3SE +/- 5743.30, N = 6SE +/- 3471.19, N = 3SE +/- 4871.23, N = 62182142150211956411948021861041846351. (CC) gcc options: -pthread -lpthread -O3 -march=native

Redis

Test: GET

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: GETGCC 5.4.0GCC 6.3.0GCC 7.0.0 20170108Clang 3.9.1GCC 4.9.4Clang 4.0 SVN500K1000K1500K2000K2500KSE +/- 2889.57, N = 3SE +/- 17316.52, N = 3SE +/- 62256.75, N = 6SE +/- 9281.03, N = 3SE +/- 93997.54, N = 6SE +/- 64445.11, N = 62237143.922198076.582158090.652138355.672054039.042039510.77-std=gnu99 -pipe -g3 -O3 -funroll-loops -march=native1. (CC) gcc options: -ggdb -rdynamic -lm -pthread -ldl

Redis

Test: SET

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 3.0.1Test: SETGCC 7.0.0 20170108GCC 5.4.0GCC 4.9.4GCC 6.3.0Clang 3.9.1Clang 4.0 SVN400K800K1200K1600K2000KSE +/- 6181.11, N = 3SE +/- 7318.36, N = 3SE +/- 4150.84, N = 3SE +/- 62672.40, N = 6SE +/- 42383.29, N = 6SE +/- 70447.16, N = 61684492.461661193.921650185.921528154.691522549.121491974.11-std=gnu99 -pipe -g3 -O3 -funroll-loops -march=native1. (CC) gcc options: -ggdb -rdynamic -lm -pthread -ldl

Apache Benchmark

Static Web Page Serving

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.7Static Web Page ServingClang 3.9.1Clang 4.0 SVNGCC 7.0.0 20170108GCC 4.9.4GCC 6.3.0GCC 5.4.010K20K30K40K50KSE +/- 165.88, N = 3SE +/- 586.43, N = 3SE +/- 31.18, N = 3SE +/- 153.19, N = 3SE +/- 77.65, N = 3SE +/- 161.65, N = 345813.1845498.6845489.9945057.2444730.4444610.321. (CC) gcc options: -shared -fPIC -pthread -O3 -march=native

OpenSSL

RSA 4096-bit Performance

OpenBenchmarking.orgSigns Per Second, More Is BetterOpenSSL 1.0.1gRSA 4096-bit PerformanceGCC 5.4.0GCC 6.3.0GCC 7.0.0 20170108GCC 4.9.4Clang 4.0 SVNClang 3.9.12004006008001000SE +/- 1.26, N = 3SE +/- 0.55, N = 3SE +/- 1.10, N = 3SE +/- 0.75, N = 3SE +/- 1.04, N = 3SE +/- 0.26, N = 3984.53983.13982.70981.57980.40976.431. (CC) gcc options: -m64 -O3 -lssl -lcrypto -ldl

PostgreSQL pgbench

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

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 9.4.3Scaling: Buffer Test - Test: Normal Load - Mode: Read WriteGCC 4.9.4GCC 6.3.0Clang 3.9.1GCC 7.0.0 20170108GCC 5.4.0Clang 4.0 SVN2K4K6K8K10KSE +/- 28.13, N = 3SE +/- 27.48, N = 3SE +/- 32.40, N = 3SE +/- 23.18, N = 3SE +/- 15.65, N = 3SE +/- 16.04, N = 37986.347986.017975.197969.857963.887954.24-pthreads -mthreads-pthreads -mthreads1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O3 -march=native -pthread -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

Caffe

Build: CPU AlexNet

OpenBenchmarking.orgMilli-Seconds, Fewer Is BetterCaffe 2016-12-29Build: CPU AlexNetGCC 6.3.0GCC 7.0.0 20170108Clang 4.0 SVNGCC 5.4.0Clang 3.9.190K180K270K360K450KSE +/- 302.65, N = 3SE +/- 66.71, N = 3SE +/- 101.92, N = 3SE +/- 268.06, N = 3SE +/- 263.90, N = 33608163634283950833972033975431. (CXX) g++ options: -pthread -fPIC -O2 -lcaffe -lglog -lgflags -lprotobuf -lboost_system -lboost_filesystem -lm -lhdf5_hl -lhdf5 -lleveldb -lsnappy -llmdb -lopencv_core -lopencv_highgui -lopencv_imgproc -lboost_thread -lstdc++ -lcblas -latlas

Caffe

Build: CPU Googlenet

OpenBenchmarking.orgMilli-Seconds, Fewer Is BetterCaffe 2016-12-29Build: CPU GooglenetGCC 5.4.0Clang 3.9.1GCC 6.3.0GCC 7.0.0 20170108Clang 4.0 SVN200K400K600K800K1000KSE +/- 606.01, N = 3SE +/- 2777.87, N = 3SE +/- 248.34, N = 3SE +/- 634.40, N = 3SE +/- 13446.41, N = 67649297750677801577842637900141. (CXX) g++ options: -pthread -fPIC -O2 -lcaffe -lglog -lgflags -lprotobuf -lboost_system -lboost_filesystem -lm -lhdf5_hl -lhdf5 -lleveldb -lsnappy -llmdb -lopencv_core -lopencv_highgui -lopencv_imgproc -lboost_thread -lstdc++ -lcblas -latlas

Stockfish

Total Time

OpenBenchmarking.orgms, Fewer Is BetterStockfish 2014-11-26Total TimeClang 4.0 SVNGCC 4.9.4GCC 7.0.0 20170108Clang 3.9.1GCC 6.3.0GCC 5.4.07001400210028003500SE +/- 42.15, N = 3SE +/- 9.24, N = 3SE +/- 19.50, N = 3SE +/- 9.54, N = 3SE +/- 0.88, N = 3SE +/- 24.50, N = 3336433863419343834623479-flto-flto-flto-flto1. (CXX) g++ options: -lpthread -O3 -march=native -fno-exceptions -fno-rtti -ansi -pedantic -msse -msse3 -mpopcnt

Multichase Pointer Chaser

Test: 4MB Array, 64 Byte Stride

OpenBenchmarking.orgns, Fewer Is BetterMultichase Pointer ChaserTest: 4MB Array, 64 Byte StrideGCC 5.4.0GCC 7.0.0 20170108Clang 3.9.1Clang 4.0 SVNGCC 4.9.4GCC 6.3.0246810SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 36.976.976.976.976.986.981. (CC) gcc options: -O2 -static -pthread -lrt

Multichase Pointer Chaser

Test: 256MB Array, 256 Byte Stride

OpenBenchmarking.orgns, Fewer Is BetterMultichase Pointer ChaserTest: 256MB Array, 256 Byte StrideGCC 4.9.4GCC 6.3.0Clang 4.0 SVNGCC 5.4.0GCC 7.0.0 20170108Clang 3.9.11326395265SE +/- 0.83, N = 3SE +/- 1.35, N = 6SE +/- 1.27, N = 6SE +/- 0.93, N = 3SE +/- 0.98, N = 3SE +/- 0.57, N = 356.8257.3857.4858.4258.4959.131. (CC) gcc options: -O2 -static -pthread -lrt

Multichase Pointer Chaser

Test: 1GB Array, 256 Byte Stride, 4 Threads

OpenBenchmarking.orgns, Fewer Is BetterMultichase Pointer ChaserTest: 1GB Array, 256 Byte Stride, 4 ThreadsClang 3.9.1GCC 6.3.0Clang 4.0 SVNGCC 4.9.4GCC 7.0.0 20170108GCC 5.4.01530456075SE +/- 0.95, N = 3SE +/- 1.11, N = 4SE +/- 0.88, N = 3SE +/- 0.95, N = 3SE +/- 0.45, N = 3SE +/- 0.17, N = 364.3664.7965.1465.3565.6366.141. (CC) gcc options: -O2 -static -pthread -lrt

t-test1

Threads: 1

OpenBenchmarking.orgSeconds, Fewer Is Bettert-test1 2017-01-13Threads: 1Clang 4.0 SVNGCC 6.3.0GCC 4.9.4GCC 7.0.0 20170108Clang 3.9.1GCC 5.4.0612182430SE +/- 0.42, N = 6SE +/- 0.26, N = 3SE +/- 0.49, N = 3SE +/- 0.10, N = 3SE +/- 0.36, N = 6SE +/- 0.39, N = 523.7823.8924.3524.6625.0025.381. (CC) gcc options: -pthread -O3 -march=native

Timed HMMer Search

Pfam Database Search

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database SearchGCC 7.0.0 20170108Clang 4.0 SVNClang 3.9.1GCC 4.9.4GCC 5.4.0GCC 6.3.0246810SE +/- 0.03, N = 3SE +/- 0.05, N = 3SE +/- 0.03, N = 3SE +/- 0.04, N = 3SE +/- 0.04, N = 3SE +/- 0.06, N = 37.177.217.237.247.247.241. (CC) gcc options: -O3 -march=native -pthread -lhmmer -lsquid -lm

Timed MAFFT Alignment

Multiple Sequence Alignment

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MAFFT Alignment 6.864Multiple Sequence AlignmentGCC 4.9.4GCC 5.4.0GCC 6.3.0GCC 7.0.0 20170108Clang 3.9.1Clang 4.0 SVN0.87751.7552.63253.514.3875SE +/- 0.02, N = 3SE +/- 0.06, N = 6SE +/- 0.09, N = 6SE +/- 0.06, N = 5SE +/- 0.02, N = 3SE +/- 0.07, N = 33.523.593.653.713.783.901. (CC) gcc options: -O3 -lm -lpthread

Timed ImageMagick Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed ImageMagick Compilation 6.9.0Time To CompileClang 3.9.1Clang 4.0 SVNGCC 5.4.0GCC 7.0.0 20170108GCC 6.3.01428425670SE +/- 0.15, N = 3SE +/- 0.10, N = 3SE +/- 0.06, N = 3SE +/- 0.09, N = 3SE +/- 0.11, N = 341.9143.0743.1851.1663.93

Timed PHP Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To CompileClang 4.0 SVNGCC 5.4.0GCC 4.9.4GCC 6.3.0GCC 7.0.0 20170108Clang 3.9.1510152025SE +/- 0.01, N = 3SE +/- 0.05, N = 3SE +/- 0.05, N = 3SE +/- 0.05, N = 3SE +/- 0.02, N = 3SE +/- 0.12, N = 315.8018.9619.4619.5319.5720.391. (CC) gcc options: -O3 -march=native -pedantic -ldl -lz -lm

C-Ray

Total Time

OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeGCC 6.3.0GCC 5.4.0GCC 4.9.4GCC 7.0.0 20170108Clang 4.0 SVNClang 3.9.148121620SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 312.2312.2812.3713.9417.9018.121. (CC) gcc options: -lm -lpthread -O3 -march=native

Bullet Physics Engine

Test: Raytests

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: RaytestsGCC 5.4.0GCC 4.9.4GCC 6.3.0GCC 7.0.0 20170108Clang 4.0 SVNClang 3.9.10.66831.33662.00492.67323.3415SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 32.852.862.862.962.962.971. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

Bullet Physics Engine

Test: 3000 Fall

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 3000 FallGCC 7.0.0 20170108GCC 6.3.0GCC 5.4.0GCC 4.9.4Clang 4.0 SVNClang 3.9.11.10932.21863.32794.43725.5465SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.08, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 34.624.674.684.824.914.931. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

Bullet Physics Engine

Test: 1000 Stack

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 1000 StackGCC 5.4.0GCC 7.0.0 20170108GCC 6.3.0GCC 4.9.4Clang 3.9.1Clang 4.0 SVN1.2692.5383.8075.0766.345SE +/- 0.00, N = 3SE +/- 0.02, N = 3SE +/- 0.00, N = 3SE +/- 0.03, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 35.215.215.235.295.645.641. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

Bullet Physics Engine

Test: 1000 Convex

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 1000 ConvexGCC 5.4.0GCC 4.9.4GCC 6.3.0Clang 3.9.1Clang 4.0 SVNGCC 7.0.0 201701081.26452.5293.79355.0586.3225SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.03, N = 3SE +/- 0.02, N = 34.964.995.005.075.165.621. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

Bullet Physics Engine

Test: 136 Ragdolls

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 136 RagdollsGCC 7.0.0 20170108GCC 5.4.0GCC 6.3.0GCC 4.9.4Clang 3.9.1Clang 4.0 SVN0.76281.52562.28843.05123.814SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 33.173.203.203.253.383.391. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

Bullet Physics Engine

Test: Prim Trimesh

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: Prim TrimeshGCC 7.0.0 20170108GCC 6.3.0GCC 5.4.0Clang 3.9.1Clang 4.0 SVNGCC 4.9.40.25880.51760.77641.03521.294SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.05, N = 31.071.091.101.101.101.151. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

Bullet Physics Engine

Test: Convex Trimesh

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: Convex TrimeshClang 3.9.1GCC 6.3.0GCC 4.9.4GCC 5.4.0Clang 4.0 SVNGCC 7.0.0 201701080.30830.61660.92491.23321.5415SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 31.291.301.311.311.311.371. (CXX) g++ options: -O3 -march=native -rdynamic -lglut -lGL -lGLU

Crafty

Elapsed Time

OpenBenchmarking.orgSeconds, Fewer Is BetterCrafty 23.4Elapsed TimeClang 3.9.1GCC 7.0.0 20170108Clang 4.0 SVNGCC 6.3.0GCC 4.9.4GCC 5.4.01632486480SE +/- 0.03, N = 3SE +/- 0.06, N = 3SE +/- 0.01, N = 3SE +/- 0.06, N = 3SE +/- 0.05, N = 3SE +/- 0.05, N = 368.0168.1468.1468.9970.1270.201. (CC) gcc options: -lstdc++ -lm

FLAC Audio Encoding

WAV To FLAC

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.1WAV To FLACGCC 4.9.4Clang 3.9.1Clang 4.0 SVNGCC 7.0.0 20170108GCC 6.3.0GCC 5.4.0246810SE +/- 0.08, N = 7SE +/- 0.04, N = 5SE +/- 0.09, N = 5SE +/- 0.04, N = 5SE +/- 0.08, N = 5SE +/- 0.08, N = 56.276.456.456.646.666.75-fvisibility=hidden-fvisibility=hidden-fvisibility=hidden-fvisibility=hidden1. (CXX) g++ options: -O3 -march=native -logg -lm

LAME MP3 Encoding

WAV To MP3

OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3GCC 4.9.4GCC 6.3.0GCC 7.0.0 20170108GCC 5.4.0Clang 4.0 SVNClang 3.9.13691215SE +/- 0.00, N = 5SE +/- 0.02, N = 5SE +/- 0.01, N = 5SE +/- 0.12, N = 5SE +/- 0.03, N = 5SE +/- 0.01, N = 510.2910.4510.6010.6811.4213.58-fomit-frame-pointer-funroll-loops-funroll-loops-funroll-loops-funroll-loops -lncurses-funroll-loops -lncurses1. (CC) gcc options: -O3 -ffast-math -fschedule-insns2 -fbranch-count-reg -fforce-addr -pipe -march=native -lm

FFmpeg

H.264 HD To NTSC DV

OpenBenchmarking.orgSeconds, Fewer Is BetterFFmpeg 2.8.1H.264 HD To NTSC DVGCC 7.0.0 20170108Clang 4.0 SVNGCC 5.4.0GCC 4.9.4GCC 6.3.0Clang 3.9.1510152025SE +/- 0.10, N = 3SE +/- 0.08, N = 3SE +/- 0.10, N = 3SE +/- 0.13, N = 3SE +/- 0.13, N = 3SE +/- 0.01, N = 316.9817.3717.5817.6217.6619.15-fno-tree-vectorize-Qunused-arguments -MMD -MF -MT-fno-tree-vectorize-fno-tree-vectorize-fno-tree-vectorize-Qunused-arguments -MMD -MF -MT1. (CC) gcc options: -lavdevice -lavfilter -lavformat -lavcodec -lswresample -lswscale -lavutil -lXv -lX11 -lXext -lxcb -lxcb-shm -lxcb-xfixes -lxcb-render -lxcb-shape -lasound -lSDL -lm -llzma -lbz2 -pthread -O3 -march=native -std=c99 -fomit-frame-pointer -fno-math-errno -fno-signed-zeros

Minion

Benchmark: Graceful

OpenBenchmarking.orgSeconds, Fewer Is BetterMinion 1.8Benchmark: GracefulClang 4.0 SVNClang 3.9.1GCC 5.4.0GCC 4.9.4GCC 6.3.0GCC 7.0.0 201701081530456075SE +/- 0.20, N = 3SE +/- 0.04, N = 3SE +/- 0.56, N = 3SE +/- 0.24, N = 3SE +/- 0.10, N = 3SE +/- 0.13, N = 362.2662.3964.3064.6665.2465.511. (CXX) g++ options: -std=gnu++11 -O3 -fomit-frame-pointer -rdynamic

Minion

Benchmark: Solitaire

OpenBenchmarking.orgSeconds, Fewer Is BetterMinion 1.8Benchmark: SolitaireGCC 6.3.0GCC 5.4.0GCC 4.9.4Clang 4.0 SVNClang 3.9.1GCC 7.0.0 2017010820406080100SE +/- 0.22, N = 3SE +/- 0.28, N = 3SE +/- 0.30, N = 3SE +/- 0.20, N = 3SE +/- 0.07, N = 3SE +/- 0.20, N = 383.4884.9985.2285.4485.5585.761. (CXX) g++ options: -std=gnu++11 -O3 -fomit-frame-pointer -rdynamic

Minion

Benchmark: Quasigroup

OpenBenchmarking.orgSeconds, Fewer Is BetterMinion 1.8Benchmark: QuasigroupGCC 4.9.4GCC 6.3.0Clang 4.0 SVNClang 3.9.1GCC 5.4.0GCC 7.0.0 20170108306090120150SE +/- 0.18, N = 3SE +/- 0.04, N = 3SE +/- 0.92, N = 3SE +/- 1.05, N = 3SE +/- 0.15, N = 3SE +/- 1.92, N = 3136.80138.36138.77138.85139.77140.721. (CXX) g++ options: -std=gnu++11 -O3 -fomit-frame-pointer -rdynamic

Phoronix Test Suite v10.8.5