GCC 5.0 Snapshot Compiler Benchmark Fedora 21

GCC and LLVM Clang compiler benchmarks by Michael Larabel for a future article on Phoronix.com.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1411075-LI-GCC5FEDOR87
Jump To Table - Results

View

Do Not Show Noisy Results
Do Not Show Results With Incomplete Data
Do Not Show Results With Little Change/Spread
List Notable Results

Limit displaying results to tests within:

Audio Encoding 2 Tests
Timed Code Compilation 2 Tests
C/C++ Compiler Tests 9 Tests
CPU Massive 7 Tests
Creator Workloads 4 Tests
Encoding 2 Tests
Multi-Core 4 Tests
Programmer / Developer System Benchmarks 2 Tests
Renderers 2 Tests
Server CPU Tests 3 Tests
Single-Threaded 3 Tests

Statistics

Show Overall Harmonic Mean(s)
Show Overall Geometric Mean
Show Geometric Means Per-Suite/Category
Show Wins / Losses Counts (Pie Chart)
Normalize Results
Remove Outliers Before Calculating Averages

Graph Settings

Force Line Graphs Where Applicable
Convert To Scalar Where Applicable
Prefer Vertical Bar Graphs

Multi-Way Comparison

Condense Multi-Option Tests Into Single Result Graphs

Table

Show Detailed System Result Table

Run Management

Highlight
Result
Hide
Result
Result
Identifier
View Logs
Performance Per
Dollar
Date
Run
  Test
  Duration
GCC 4.9.2
November 07 2014
 
LLVM Clang 3.4.2
November 07 2014
 
GCC 5 20141102
November 07 2014
 
Invert Hiding All Results Option
 

Only show results where is faster than
Only show results matching title/arguments (delimit multiple options with a comma):
Do not show results matching title/arguments (delimit multiple options with a comma):


GCC 5.0 Snapshot Compiler Benchmark Fedora 21OpenBenchmarking.orgPhoronix Test SuiteIntel Xeon E5-1680 v3 @ 3.80GHz (16 Cores)MSI X99S SLI PLUS (MS-7885) v1.0Intel Xeon E5 v3/Core16384MB80GB INTEL SSDSCKGW08eVGA NVIDIA GeForce GT 740 1024MBIntel C610/X99VE228Intel ConnectionFedora 213.18.0-0.rc3.git2.2.fc22.1.x86_64 (x86_64)GNOME Shell 3.14.1.5X Server 1.16.1nouveau 1.0.103.3 Mesa 10.3.2 Gallium 0.4GCC 4.9.2 20141101 + Clang 3.4.2 + LLVM 3.4.2Clang 3.4.2 + LLVM 3.4.2GCC 5.0.0 20141102 + LLVM 3.4.2ext41920x1080ProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilersFile-SystemScreen ResolutionGCC 5.0 Snapshot Compiler Benchmark Fedora 21 PerformanceSystem Logs- GCC 4.9.2: --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++,fortran,ada,go,lto --enable-multilib --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=i686 --with-linker-hash-style=gnu --with-tune=generic - LLVM Clang 3.4.2: Optimized build; Built Aug 14 2014 (16:12:44); Default target: x86_64-redhat-linux-gnu; Host CPU: core-avx2 - GCC 5 20141102: --disable-multilib --enable-checking=release --enable-languages=c,c++- Scaling Governor: intel_pstate powersave- SELinux: Enabled.

GCC 4.9.2LLVM Clang 3.4.2GCC 5 20141102Logarithmic Result OverviewPhoronix Test SuiteSmallptTimed PHP CompilationTimed Apache CompilationC-RaySciMarkHimeno BenchmarkFLAC Audio EncodingApache BenchmarkBullet Physics EngineLAME MP3 Encoding

GCC 5.0 Snapshot Compiler Benchmark Fedora 21smallpt: Global Illumination Renderer; 100 Samplesbuild-php: Time To Compilescimark2: Dense LU Matrix Factorizationbuild-apache: Time To Compilescimark2: Compositescimark2: Sparse Matrix Multiplybullet: 1000 Convexhimeno: Poisson Pressure Solverscimark2: Fast Fourier Transformencode-flac: WAV To FLACbullet: 1000 Stackapache: Static Web Page Servingbullet: 136 Ragdollsbullet: Convex Trimeshencode-mp3: WAV To MP3bullet: Prim Trimeshscimark2: Monte Carlobullet: 3000 Fallc-ray: Total Timescimark2: Jacobi Successive Over-RelaxationGCC 4.9.2LLVM Clang 3.4.2GCC 5 201411021729.802865.3634.491564.142711.885.141874.91438.233.895.4414484.473.421.3311.361.12601.915.1510.571203.3313513.105617.7018.642286.103091.205.722076.07482.894.215.8813513.763.441.3711.621.13602.795.3414.311635.931417.622737.2327.781454.172305.935.111912.45479.654.085.4813480.803.331.3411.691.12601.725.009.361146.33OpenBenchmarking.org

Smallpt

Smallpt is a C++ global illumination renderer written in less than 100 lines of code. Global illumination is done via unbiased Monte Carlo path tracing and there is multi-threading support via the OpenMP library. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 100 SamplesGCC 5 20141102GCC 4.9.2LLVM Clang 3.4.2306090120150SE +/- 0.00, N = 3SE +/- 0.33, N = 3SE +/- 0.33, N = 314171351. (CXX) g++ options: -fopenmp -O3 -march=native
OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 100 SamplesGCC 5 20141102GCC 4.9.2LLVM Clang 3.4.2306090120150Min: 14 / Avg: 14 / Max: 14Min: 17 / Avg: 17.33 / Max: 18Min: 135 / Avg: 135.33 / Max: 1361. (CXX) g++ options: -fopenmp -O3 -march=native

Timed PHP Compilation

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To CompileLLVM Clang 3.4.2GCC 5 20141102GCC 4.9.2714212835SE +/- 0.12, N = 3SE +/- 0.06, N = 3SE +/- 0.48, N = 413.1017.6229.801. (CC) gcc options: -O3 -march=native -pedantic -ldl -lz -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed PHP Compilation 5.2.9Time To CompileLLVM Clang 3.4.2GCC 5 20141102GCC 4.9.2714212835Min: 12.9 / Avg: 13.1 / Max: 13.32Min: 17.52 / Avg: 17.62 / Max: 17.73Min: 28.67 / Avg: 29.8 / Max: 30.721. (CC) gcc options: -O3 -march=native -pedantic -ldl -lz -lm

SciMark

This test runs the ANSI C version of SciMark 2.0, which is a benchmark for scientific and numerical computing developed by programmers at the National Institute of Standards and Technology. This test is made up of Fast Foruier Transform, Jacobi Successive Over-relaxation, Monte Carlo, Sparse Matrix Multiply, and dense LU matrix factorization benchmarks. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationLLVM Clang 3.4.2GCC 4.9.2GCC 5 2014110212002400360048006000SE +/- 2.87, N = 4SE +/- 2.96, N = 4SE +/- 74.98, N = 45617.702865.362737.231. (CXX) g++ options: -O3 -march=native
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Dense LU Matrix FactorizationLLVM Clang 3.4.2GCC 4.9.2GCC 5 2014110210002000300040005000Min: 5609.38 / Avg: 5617.7 / Max: 5621.55Min: 2860.06 / Avg: 2865.36 / Max: 2872.44Min: 2532.28 / Avg: 2737.23 / Max: 2863.151. (CXX) g++ options: -O3 -march=native

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 CompileLLVM Clang 3.4.2GCC 5 20141102GCC 4.9.2816243240SE +/- 0.10, N = 3SE +/- 0.27, N = 3SE +/- 0.60, N = 418.6427.7834.49
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Apache Compilation 2.4.7Time To CompileLLVM Clang 3.4.2GCC 5 20141102GCC 4.9.2714212835Min: 18.5 / Avg: 18.64 / Max: 18.82Min: 27.24 / Avg: 27.78 / Max: 28.11Min: 33.02 / Avg: 34.49 / Max: 35.85

SciMark

This test runs the ANSI C version of SciMark 2.0, which is a benchmark for scientific and numerical computing developed by programmers at the National Institute of Standards and Technology. This test is made up of Fast Foruier Transform, Jacobi Successive Over-relaxation, Monte Carlo, Sparse Matrix Multiply, and dense LU matrix factorization benchmarks. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: CompositeLLVM Clang 3.4.2GCC 4.9.2GCC 5 201411025001000150020002500SE +/- 1.39, N = 4SE +/- 12.44, N = 4SE +/- 21.13, N = 42286.101564.141454.171. (CXX) g++ options: -O3 -march=native
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: CompositeLLVM Clang 3.4.2GCC 4.9.2GCC 5 20141102400800120016002000Min: 2282.46 / Avg: 2286.1 / Max: 2288.84Min: 1550.1 / Avg: 1564.14 / Max: 1601.35Min: 1393.34 / Avg: 1454.17 / Max: 1485.171. (CXX) g++ options: -O3 -march=native

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyLLVM Clang 3.4.2GCC 4.9.2GCC 5 201411027001400210028003500SE +/- 3.27, N = 4SE +/- 3.52, N = 4SE +/- 32.30, N = 43091.202711.882305.931. (CXX) g++ options: -O3 -march=native
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Sparse Matrix MultiplyLLVM Clang 3.4.2GCC 4.9.2GCC 5 201411025001000150020002500Min: 3084.49 / Avg: 3091.2 / Max: 3097.41Min: 2704.9 / Avg: 2711.88 / Max: 2718.43Min: 2209.02 / Avg: 2305.93 / Max: 2339.41. (CXX) g++ options: -O3 -march=native

Bullet Physics Engine

This is a benchmark of the Bullet Physics Engine. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 1000 ConvexGCC 5 20141102GCC 4.9.2LLVM Clang 3.4.21.2872.5743.8615.1486.435SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 35.115.145.72-lglut -lGL -lGLU-lglut -lGL -lGLU1. (CXX) g++ options: -O3 -march=native -rdynamic
OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 1000 ConvexGCC 5 20141102GCC 4.9.2LLVM Clang 3.4.2246810Min: 5.11 / Avg: 5.11 / Max: 5.12Min: 5.13 / Avg: 5.14 / Max: 5.15Min: 5.7 / Avg: 5.72 / Max: 5.731. (CXX) g++ options: -O3 -march=native -rdynamic

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 SolverLLVM Clang 3.4.2GCC 5 20141102GCC 4.9.2400800120016002000SE +/- 2.88, N = 3SE +/- 1.85, N = 3SE +/- 24.12, N = 32076.071912.451874.911. (CC) gcc options: -O3 -march=native
OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverLLVM Clang 3.4.2GCC 5 20141102GCC 4.9.2400800120016002000Min: 2072.89 / Avg: 2076.07 / Max: 2081.82Min: 1909.46 / Avg: 1912.45 / Max: 1915.82Min: 1828.21 / Avg: 1874.91 / Max: 1908.741. (CC) gcc options: -O3 -march=native

SciMark

This test runs the ANSI C version of SciMark 2.0, which is a benchmark for scientific and numerical computing developed by programmers at the National Institute of Standards and Technology. This test is made up of Fast Foruier Transform, Jacobi Successive Over-relaxation, Monte Carlo, Sparse Matrix Multiply, and dense LU matrix factorization benchmarks. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformLLVM Clang 3.4.2GCC 5 20141102GCC 4.9.2100200300400500SE +/- 1.49, N = 4SE +/- 1.69, N = 4SE +/- 3.06, N = 4482.89479.65438.231. (CXX) g++ options: -O3 -march=native
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Fast Fourier TransformLLVM Clang 3.4.2GCC 5 20141102GCC 4.9.290180270360450Min: 479.82 / Avg: 482.89 / Max: 486.6Min: 476.78 / Avg: 479.65 / Max: 484.06Min: 429.43 / Avg: 438.23 / Max: 443.31. (CXX) g++ options: -O3 -march=native

FLAC Audio Encoding

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.0WAV To FLACGCC 4.9.2GCC 5 20141102LLVM Clang 3.4.20.94731.89462.84193.78924.7365SE +/- 0.04, N = 5SE +/- 0.02, N = 5SE +/- 0.03, N = 53.894.084.211. (CXX) g++ options: -O3 -march=native -fvisibility=hidden -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.0WAV To FLACGCC 4.9.2GCC 5 20141102LLVM Clang 3.4.2246810Min: 3.79 / Avg: 3.89 / Max: 4Min: 4.04 / Avg: 4.08 / Max: 4.14Min: 4.16 / Avg: 4.21 / Max: 4.31. (CXX) g++ options: -O3 -march=native -fvisibility=hidden -lm

Bullet Physics Engine

This is a benchmark of the Bullet Physics Engine. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 1000 StackGCC 4.9.2GCC 5 20141102LLVM Clang 3.4.21.3232.6463.9695.2926.615SE +/- 0.12, N = 3SE +/- 0.12, N = 3SE +/- 0.00, N = 35.445.485.88-lglut -lGL -lGLU-lglut -lGL -lGLU1. (CXX) g++ options: -O3 -march=native -rdynamic
OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 1000 StackGCC 4.9.2GCC 5 20141102LLVM Clang 3.4.2246810Min: 5.32 / Avg: 5.44 / Max: 5.67Min: 5.35 / Avg: 5.48 / Max: 5.71Min: 5.87 / Avg: 5.88 / Max: 5.891. (CXX) g++ options: -O3 -march=native -rdynamic

Apache Benchmark

This is a test of ab, which is the Apache benchmark program. This test profile measures how many requests per second a given system can sustain when carrying out 1,000,000 requests with 100 requests being carried out concurrently. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.7Static Web Page ServingGCC 4.9.2LLVM Clang 3.4.2GCC 5 201411023K6K9K12K15KSE +/- 69.54, N = 3SE +/- 35.18, N = 3SE +/- 88.94, N = 314484.4713513.7613480.801. (CC) gcc options: -shared -fPIC -pthread -O3 -march=native
OpenBenchmarking.orgRequests Per Second, More Is BetterApache Benchmark 2.4.7Static Web Page ServingGCC 4.9.2LLVM Clang 3.4.2GCC 5 201411023K6K9K12K15KMin: 14372.43 / Avg: 14484.47 / Max: 14611.84Min: 13445.62 / Avg: 13513.76 / Max: 13563.04Min: 13324.64 / Avg: 13480.8 / Max: 13632.631. (CC) gcc options: -shared -fPIC -pthread -O3 -march=native

Bullet Physics Engine

This is a benchmark of the Bullet Physics Engine. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 136 RagdollsGCC 5 20141102GCC 4.9.2LLVM Clang 3.4.20.7741.5482.3223.0963.87SE +/- 0.01, N = 3SE +/- 0.10, N = 3SE +/- 0.01, N = 33.333.423.44-lglut -lGL -lGLU-lglut -lGL -lGLU1. (CXX) g++ options: -O3 -march=native -rdynamic
OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 136 RagdollsGCC 5 20141102GCC 4.9.2LLVM Clang 3.4.2246810Min: 3.32 / Avg: 3.33 / Max: 3.36Min: 3.31 / Avg: 3.42 / Max: 3.62Min: 3.43 / Avg: 3.44 / Max: 3.451. (CXX) g++ options: -O3 -march=native -rdynamic

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: Convex TrimeshGCC 4.9.2GCC 5 20141102LLVM Clang 3.4.20.30830.61660.92491.23321.5415SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 31.331.341.37-lglut -lGL -lGLU-lglut -lGL -lGLU1. (CXX) g++ options: -O3 -march=native -rdynamic
OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: Convex TrimeshGCC 4.9.2GCC 5 20141102LLVM Clang 3.4.2246810Min: 1.33 / Avg: 1.33 / Max: 1.34Min: 1.33 / Avg: 1.34 / Max: 1.34Min: 1.36 / Avg: 1.37 / Max: 1.371. (CXX) g++ options: -O3 -march=native -rdynamic

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 MP3GCC 4.9.2LLVM Clang 3.4.2GCC 5 201411023691215SE +/- 0.03, N = 5SE +/- 0.01, N = 5SE +/- 0.06, N = 511.3611.6211.691. (CC) gcc options: -pipe -O3 -march=native -lncurses -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3GCC 4.9.2LLVM Clang 3.4.2GCC 5 201411023691215Min: 11.29 / Avg: 11.36 / Max: 11.43Min: 11.6 / Avg: 11.62 / Max: 11.63Min: 11.5 / Avg: 11.69 / Max: 11.821. (CC) gcc options: -pipe -O3 -march=native -lncurses -lm

Bullet Physics Engine

This is a benchmark of the Bullet Physics Engine. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: Prim TrimeshGCC 4.9.2GCC 5 20141102LLVM Clang 3.4.20.25430.50860.76291.01721.2715SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 31.121.121.13-lglut -lGL -lGLU-lglut -lGL -lGLU1. (CXX) g++ options: -O3 -march=native -rdynamic
OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: Prim TrimeshGCC 4.9.2GCC 5 20141102LLVM Clang 3.4.2246810Min: 1.12 / Avg: 1.12 / Max: 1.12Min: 1.12 / Avg: 1.12 / Max: 1.12Min: 1.13 / Avg: 1.13 / Max: 1.141. (CXX) g++ options: -O3 -march=native -rdynamic

SciMark

This test runs the ANSI C version of SciMark 2.0, which is a benchmark for scientific and numerical computing developed by programmers at the National Institute of Standards and Technology. This test is made up of Fast Foruier Transform, Jacobi Successive Over-relaxation, Monte Carlo, Sparse Matrix Multiply, and dense LU matrix factorization benchmarks. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloLLVM Clang 3.4.2GCC 4.9.2GCC 5 20141102130260390520650SE +/- 0.02, N = 4SE +/- 0.08, N = 4SE +/- 0.04, N = 4602.79601.91601.721. (CXX) g++ options: -O3 -march=native
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Monte CarloLLVM Clang 3.4.2GCC 4.9.2GCC 5 20141102110220330440550Min: 602.75 / Avg: 602.79 / Max: 602.83Min: 601.66 / Avg: 601.91 / Max: 602.02Min: 601.62 / Avg: 601.72 / Max: 601.781. (CXX) g++ options: -O3 -march=native

Bullet Physics Engine

This is a benchmark of the Bullet Physics Engine. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 3000 FallGCC 5 20141102GCC 4.9.2LLVM Clang 3.4.21.20152.4033.60454.8066.0075SE +/- 0.03, N = 3SE +/- 0.23, N = 3SE +/- 0.09, N = 35.005.155.34-lglut -lGL -lGLU-lglut -lGL -lGLU1. (CXX) g++ options: -O3 -march=native -rdynamic
OpenBenchmarking.orgSeconds, Fewer Is BetterBullet Physics Engine 2.81Test: 3000 FallGCC 5 20141102GCC 4.9.2LLVM Clang 3.4.2246810Min: 4.95 / Avg: 5 / Max: 5.02Min: 4.78 / Avg: 5.15 / Max: 5.57Min: 5.24 / Avg: 5.34 / Max: 5.511. (CXX) g++ options: -O3 -march=native -rdynamic

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 TimeGCC 5 20141102GCC 4.9.2LLVM Clang 3.4.248121620SE +/- 0.01, N = 3SE +/- 0.33, N = 6SE +/- 0.01, N = 39.3610.5714.311. (CC) gcc options: -lm -lpthread -O3 -march=native
OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeGCC 5 20141102GCC 4.9.2LLVM Clang 3.4.248121620Min: 9.35 / Avg: 9.36 / Max: 9.37Min: 9.79 / Avg: 10.57 / Max: 11.66Min: 14.29 / Avg: 14.31 / Max: 14.331. (CC) gcc options: -lm -lpthread -O3 -march=native

SciMark

This test runs the ANSI C version of SciMark 2.0, which is a benchmark for scientific and numerical computing developed by programmers at the National Institute of Standards and Technology. This test is made up of Fast Foruier Transform, Jacobi Successive Over-relaxation, Monte Carlo, Sparse Matrix Multiply, and dense LU matrix factorization benchmarks. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationLLVM Clang 3.4.2GCC 4.9.2GCC 5 20141102400800120016002000SE +/- 0.07, N = 4SE +/- 56.78, N = 4SE +/- 0.07, N = 41635.931203.331146.331. (CXX) g++ options: -O3 -march=native
OpenBenchmarking.orgMflops, More Is BetterSciMark 2.0Computational Test: Jacobi Successive Over-RelaxationLLVM Clang 3.4.2GCC 4.9.2GCC 5 2014110230060090012001500Min: 1635.81 / Avg: 1635.93 / Max: 1636.11Min: 1146.48 / Avg: 1203.33 / Max: 1373.68Min: 1146.19 / Avg: 1146.33 / Max: 1146.531. (CXX) g++ options: -O3 -march=native