LLVM 3.4 Clang Linux Compiler Test

Tests by Michael Larabel for a future article on Phoronix.com looking at the LLVM Clang 3.4 open-source compiler performance from Ubuntu Linux.

HTML result view exported from: https://openbenchmarking.org/result/1312116-SO-LLVM34CLA30&rdt&grs.

LLVM 3.4 Clang Linux Compiler TestProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionLLVM Clang 3.4 SVNLLVM Clang 3.3Intel Core i7-4960X @ 4.00GHz (12 Cores)MSI X79MA-GD45 (MS-7738) v1.0Intel Xeon E5 v2/Core8192MB1000GB Seagate ST1000DX001-1CM1Sapphire AMD Radeon HD 4870 512MBRealtek ALC892DELL S2409WRealtek RTL8111/8168/8411Ubuntu 14.043.13.0-999-generic (x86_64)Unity 7.1.2X Server 1.14.4radeon 7.2.03.1 Mesa 10.0.0 Gallium 0.4Clang 3.4 (SVN 197046) + LLVM 3.4ext41920x1080Clang 3.3 + LLVM 3.3OpenBenchmarking.orgCompiler Details- LLVM Clang 3.4 SVN: Optimized build; Built Dec 11 2013 (10:19:57); Default target: x86_64-unknown-linux-gnu; Host CPU: core-avx-i - LLVM Clang 3.3: Optimized build; Built Dec 11 2013 (09:55:18); Default target: x86_64-unknown-linux-gnu; Host CPU: x86-64 Processor Details- Scaling Governor: intel_pstate powersave

LLVM 3.4 Clang Linux Compiler Testscimark2: Dense LU Matrix Factorizationblake2: Phoronix Test Suite v4.8.6scimark2: Compositebotan: KASUMIhint: FLOATencode-flac: WAV To FLACscimark2: Sparse Matrix Multiplyencode-mp3: WAV To MP3botan: AES-256botan: X9.19-MACbotan: CAST-256botan: Twofishhimeno: Poisson Pressure Solverc-ray: Total Timehint: DOUBLEscimark2: Fast Fourier Transformffmpeg: H.264 HD To NTSC DVscimark2: Monte Carlocompress-7zip: Compress Speed Testapache: Static Web Page Servingbotan: Tigercompress-pbzip2: 256MB File Compressionhmmer: Pfam Database Searchnginx: Static Web Page Servingscimark2: Jacobi Successive Over-Relaxationbuild-mplayer: Time To Compilebuild-php: Time To CompileLLVM Clang 3.4 SVNLLVM Clang 3.34449.095.101986.9752.21230228636.054.842779.3911.79202.8079.86110.71200.821713.4719.94588678410.65344.3311.42637.243097714606.91431.775.718.7018974.451724.823.1613.502489.317.581531.2967.70277549891.075.652469.3412.86192.1683.84114.20195.641671.6019.54599037509.43339.2111.30632.553076114690.90433.555.708.7118991.891726.0315.26OpenBenchmarking.org

SciMark

Computational Test: Dense LU Matrix Factorization

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationLLVM Clang 3.4 SVNLLVM Clang 3.310002000300040005000SE +/- 4.65, N = 4SE +/- 2.90, N = 44449.092489.311. (CXX) g++ options: -O3 -march=native

BLAKE2

Phoronix Test Suite v4.8.6

OpenBenchmarking.orgCycles Per Byte, Fewer Is BetterBLAKE2 20121223Phoronix Test Suite v4.8.6LLVM Clang 3.4 SVNLLVM Clang 3.3246810SE +/- 0.08, N = 6SE +/- 0.01, N = 35.107.581. (CC) gcc options: -std=gnu99 -O3 -march=native -lcrypto -lz

SciMark

Computational Test: Composite

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: CompositeLLVM Clang 3.4 SVNLLVM Clang 3.3400800120016002000SE +/- 1.51, N = 4SE +/- 1.54, N = 41986.971531.291. (CXX) g++ options: -O3 -march=native

Botan

Test: KASUMI

OpenBenchmarking.orgMbytes/s, More Is BetterBotan 1.10.3Test: KASUMILLVM Clang 3.4 SVNLLVM Clang 3.3153045607552.2167.701. (CXX) g++ options: -m64 -ldl -lpthread -lrt -O2

Hierarchical INTegration

Test: FLOAT

OpenBenchmarking.orgQUIPs, More Is BetterHierarchical INTegration 1.0Test: FLOATLLVM Clang 3.4 SVNLLVM Clang 3.360M120M180M240M300MSE +/- 87866.73, N = 3SE +/- 426397.20, N = 3230228636.05277549891.071. (CC) gcc options: -O3 -march=native -lm

FLAC Audio Encoding

WAV To FLAC

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.0WAV To FLACLLVM Clang 3.4 SVNLLVM Clang 3.31.27132.54263.81395.08526.3565SE +/- 0.00, N = 5SE +/- 0.00, N = 54.845.651. (CXX) g++ options: -O3 -march=native -fvisibility=hidden -logg -lm

SciMark

Computational Test: Sparse Matrix Multiply

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyLLVM Clang 3.4 SVNLLVM Clang 3.36001200180024003000SE +/- 8.97, N = 4SE +/- 3.56, N = 42779.392469.341. (CXX) g++ options: -O3 -march=native

LAME MP3 Encoding

WAV To MP3

OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3LLVM Clang 3.4 SVNLLVM Clang 3.33691215SE +/- 0.02, N = 5SE +/- 0.01, N = 511.7912.861. (CC) gcc options: -pipe -O3 -march=native -lm

Botan

Test: AES-256

OpenBenchmarking.orgMbytes/s, More Is BetterBotan 1.10.3Test: AES-256LLVM Clang 3.4 SVNLLVM Clang 3.34080120160200202.80192.161. (CXX) g++ options: -m64 -ldl -lpthread -lrt -O2

Botan

Test: X9.19-MAC

OpenBenchmarking.orgMbytes/s, More Is BetterBotan 1.10.3Test: X9.19-MACLLVM Clang 3.4 SVNLLVM Clang 3.32040608010079.8683.841. (CXX) g++ options: -m64 -ldl -lpthread -lrt -O2

Botan

Test: CAST-256

OpenBenchmarking.orgMbytes/s, More Is BetterBotan 1.10.3Test: CAST-256LLVM Clang 3.4 SVNLLVM Clang 3.3306090120150110.71114.201. (CXX) g++ options: -m64 -ldl -lpthread -lrt -O2

Botan

Test: Twofish

OpenBenchmarking.orgMbytes/s, More Is BetterBotan 1.10.3Test: TwofishLLVM Clang 3.4 SVNLLVM Clang 3.34080120160200200.82195.641. (CXX) g++ options: -m64 -ldl -lpthread -lrt -O2

Himeno Benchmark

Poisson Pressure Solver

OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverLLVM Clang 3.4 SVNLLVM Clang 3.3400800120016002000SE +/- 1.44, N = 3SE +/- 0.38, N = 31713.471671.601. (CC) gcc options: -O3 -march=native

C-Ray

Total Time

OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeLLVM Clang 3.4 SVNLLVM Clang 3.3510152025SE +/- 0.01, N = 3SE +/- 0.00, N = 319.9419.541. (CC) gcc options: -lm -lpthread -O3 -march=native

Hierarchical INTegration

Test: DOUBLE

OpenBenchmarking.orgQUIPs, More Is BetterHierarchical INTegration 1.0Test: DOUBLELLVM Clang 3.4 SVNLLVM Clang 3.3130M260M390M520M650MSE +/- 1339446.23, N = 3SE +/- 497267.91, N = 3588678410.65599037509.431. (CC) gcc options: -O3 -march=native -lm

SciMark

Computational Test: Fast Fourier Transform

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformLLVM Clang 3.4 SVNLLVM Clang 3.370140210280350SE +/- 0.40, N = 4SE +/- 0.64, N = 4344.33339.211. (CXX) g++ options: -O3 -march=native

FFmpeg

H.264 HD To NTSC DV

OpenBenchmarking.orgSeconds, Fewer Is BetterFFmpeg 2.0H.264 HD To NTSC DVLLVM Clang 3.4 SVNLLVM Clang 3.33691215SE +/- 0.22, N = 3SE +/- 0.07, N = 311.4211.301. (CC) gcc options: -lavdevice -lavfilter -lavformat -lavcodec -lswresample -lswscale -lavutil -ldl -lasound -lSDL -lm -pthread -O3 -march=native -std=c99 -fomit-frame-pointer -fno-math-errno -fno-signed-zeros -Qunused-arguments -MMD

SciMark

Computational Test: Monte Carlo

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloLLVM Clang 3.4 SVNLLVM Clang 3.3140280420560700SE +/- 0.00, N = 4SE +/- 0.54, N = 4637.24632.551. (CXX) g++ options: -O3 -march=native

7-Zip Compression

Compress Speed Test

OpenBenchmarking.orgMIPS, More Is Better7-Zip Compression 9.20.1Compress Speed TestLLVM Clang 3.4 SVNLLVM Clang 3.37K14K21K28K35KSE +/- 263.12, N = 3SE +/- 116.34, N = 330977307611. (CXX) g++ options: -pipe -lpthread

Apache Benchmark

Static Web Page Serving

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.7Static Web Page ServingLLVM Clang 3.4 SVNLLVM Clang 3.33K6K9K12K15KSE +/- 85.10, N = 3SE +/- 84.59, N = 314606.9114690.901. (CC) gcc options: -shared -fPIC -pthread -O3 -march=native

Botan

Test: Tiger

OpenBenchmarking.orgMbytes/s, More Is BetterBotan 1.10.3Test: TigerLLVM Clang 3.4 SVNLLVM Clang 3.390180270360450431.77433.551. (CXX) g++ options: -m64 -ldl -lpthread -lrt -O2

Parallel BZIP2 Compression

256MB File Compression

OpenBenchmarking.orgSeconds, Fewer Is BetterParallel BZIP2 Compression 1.1.6256MB File CompressionLLVM Clang 3.4 SVNLLVM Clang 3.31.28482.56963.85445.13926.424SE +/- 0.02, N = 3SE +/- 0.02, N = 35.715.701. (CXX) g++ options: -O2 -pthread -lbz2 -lpthread

Timed HMMer Search

Pfam Database Search

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database SearchLLVM Clang 3.4 SVNLLVM Clang 3.3246810SE +/- 0.01, N = 3SE +/- 0.01, N = 38.708.711. (CC) gcc options: -O3 -march=native -pthread -lhmmer -lsquid -lm

NGINX Benchmark

Static Web Page Serving

OpenBenchmarking.orgRequests Per Second, More Is BetterNGINX Benchmark 1.0.11Static Web Page ServingLLVM Clang 3.4 SVNLLVM Clang 3.34K8K12K16K20KSE +/- 44.62, N = 3SE +/- 6.21, N = 318974.4518991.891. (CC) gcc options: -lpthread -lcrypt -lcrypto -lz -O3 -march=native

SciMark

Computational Test: Jacobi Successive Over-Relaxation

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationLLVM Clang 3.4 SVNLLVM Clang 3.3400800120016002000SE +/- 1.40, N = 4SE +/- 1.21, N = 41724.821726.031. (CXX) g++ options: -O3 -march=native

Timed MPlayer Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MPlayer Compilation 1.0-rc3Time To CompileLLVM Clang 3.4 SVN0.7111.4222.1332.8443.555SE +/- 0.05, N = 43.16

Timed PHP Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To CompileLLVM Clang 3.4 SVNLLVM Clang 3.348121620SE +/- 0.34, N = 6SE +/- 0.37, N = 613.5015.261. (CC) gcc options: -O3 -march=native -pedantic -ldl -lz -lm

Phoronix Test Suite v10.8.5