Compiler Benchmarks On Clear Linux OS
GCC 6.2 vs. LLVM Clang 3.9 compiler benchmarks on Clear Linux. Tests by Michael Larabel for a future article.


GCC 6.2.0: 

	Processor: Intel Core i5-7200U @ 3.10GHz (4 Cores), Motherboard: MSI MS-B1421 v1.0, Chipset: Intel Device 5904, Memory: 8192MB, Disk: 256GB CORSAIR FORCE LX, Graphics: Intel Device 5916 (1000MHz), Audio: Realtek ALC887-VD, Monitor: DELL P2415Q, Network: Realtek RTL8111/8168/8411 + Intel Device 24fb

	OS: Clear Linux 11620, Kernel: 4.8.6-272.native (x86_64), Desktop: Xfce 4.12, Display Server: X Server 1.18.4, Display Driver: intel 2.99.917, OpenGL: 4.5 Mesa 13.0.0, Vulkan: 1.0.3, Compiler: GCC 6.2.0 + clang (Clear Linux OS for Intel Architecture) 6.2.0 + LLVM 3.9.0, File-System: ext4, Screen Resolution: 1920x1080

Clang 3.9.0: 

	Processor: Intel Core i5-7200U @ 3.10GHz (4 Cores), Motherboard: MSI MS-B1421 v1.0, Chipset: Intel Device 5904, Memory: 8192MB, Disk: 256GB CORSAIR FORCE LX, Graphics: Intel Device 5916 (1000MHz), Audio: Realtek ALC887-VD, Monitor: DELL P2415Q, Network: Realtek RTL8111/8168/8411 + Intel Device 24fb

	OS: Clear Linux 11620, Kernel: 4.8.6-272.native (x86_64), Desktop: Xfce 4.12, Display Server: X Server 1.18.4, Display Driver: intel 2.99.917, OpenGL: 4.5 Mesa 13.0.0, Vulkan: 1.0.3, Compiler: Clang 3.9.0 + LLVM 3.9.0, File-System: ext4, Screen Resolution: 3840x2160


FFTW 3.3.4
Build: Float + SSE - Size: 2D FFT Size 2048
Mflops > Higher Is Better
GCC 6.2.0 ... 14179 |==========================================================
Clang 3.9.0 . 13568 |========================================================


Timed MAFFT Alignment 6.864
Multiple Sequence Alignment
Seconds < Lower Is Better
GCC 6.2.0 ... 12.11 |==========================================================
Clang 3.9.0 . 11.61 |========================================================


SciMark 2.0
Computational Test: Composite
Mflops > Higher Is Better
GCC 6.2.0 ... 1057.55 |=====================================
Clang 3.9.0 . 1603.19 |========================================================


SciMark 2.0
Computational Test: Monte Carlo
Mflops > Higher Is Better
GCC 6.2.0 ... 520.86 |=========================================================
Clang 3.9.0 . 228.76 |=========================


SciMark 2.0
Computational Test: Fast Fourier Transform
Mflops > Higher Is Better
GCC 6.2.0 ... 247.07 |========================================================
Clang 3.9.0 . 253.57 |=========================================================


SciMark 2.0
Computational Test: Sparse Matrix Multiply
Mflops > Higher Is Better
GCC 6.2.0 ... 1835.85 |===============================================
Clang 3.9.0 . 2204.96 |========================================================


SciMark 2.0
Computational Test: Dense LU Matrix Factorization
Mflops > Higher Is Better
GCC 6.2.0 ... 1834.34 |=========================
Clang 3.9.0 . 4165.72 |========================================================


SciMark 2.0
Computational Test: Jacobi Successive Over-Relaxation
Mflops > Higher Is Better
GCC 6.2.0 ... 875.62  |==========================================
Clang 3.9.0 . 1162.92 |========================================================


TSCP 1.81
AI Chess Performance
Nodes Per Second > Higher Is Better
GCC 6.2.0 ... 1011505 |==================================================
Clang 3.9.0 . 1131426 |========================================================


Himeno Benchmark 3.0
Poisson Pressure Solver
MFLOPS > Higher Is Better
GCC 6.2.0 ... 2018.59 |========================================================
Clang 3.9.0 . 1816.77 |==================================================


ebizzy 0.3
Phoronix Test Suite v6.8.0m1
Records/s > Higher Is Better
GCC 6.2.0 ... 85079 |========================================================
Clang 3.9.0 . 87880 |==========================================================


Timed ImageMagick Compilation 6.9.0
Time To Compile
Seconds < Lower Is Better
GCC 6.2.0 ... 142.55 |===========================================
Clang 3.9.0 . 189.60 |=========================================================


Timed PHP Compilation 5.2.9
Time To Compile
Seconds < Lower Is Better
GCC 6.2.0 ... 60.49 |=====================================
Clang 3.9.0 . 95.31 |==========================================================


C-Ray 1.1
Total Time
Seconds < Lower Is Better
GCC 6.2.0 ... 37.85 |====================================
Clang 3.9.0 . 60.17 |==========================================================


Crafty 23.4
Elapsed Time
Seconds < Lower Is Better
GCC 6.2.0 ... 95.77 |==========================================================
Clang 3.9.0 . 78.57 |================================================


LAME MP3 Encoding 3.99.3
WAV To MP3
Seconds < Lower Is Better
GCC 6.2.0 ... 14.34 |==========================================================
Clang 3.9.0 . 14.16 |=========================================================


OpenSSL 1.0.1g
RSA 4096-bit Performance
Signs Per Second > Higher Is Better
GCC 6.2.0 ... 243.97 |================================================
Clang 3.9.0 . 289.57 |=========================================================