LLVM Clang 3.8 OpenMP SVN Benchmarks
Benchmarks by Michael Larabel for a future article on Phoronix testing out Clang OpenMP against GCC compilers on Linux x86-64.


GCC 4.9.2: 

	Processor: Intel Xeon E5-2687W v3 @ 3.50GHz (20 Cores), Motherboard: MSI X99S SLI PLUS (MS-7885) v1.0, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 80GB INTEL SSDSCKGW08, Graphics: NVIDIA GeForce GTX Titan 6144MB, Audio: Intel C610/X99, Monitor: ASUS PB278, Network: Intel Connection

	OS: Ubuntu 15.04, Kernel: 3.19.0-26-generic (x86_64), Desktop: Unity 7.3.2, Display Server: X Server 1.17.1, Display Driver: nouveau 1.0.11, OpenGL: 3.3 Mesa 10.5.2 Gallium 0.4, Compiler: GCC 4.9.2 + Clang 3.8.0-svn246465-1~exp1, File-System: ext4, Screen Resolution: 1920x1080

GCC 5.2.0: 

	Processor: Intel Xeon E5-2687W v3 @ 3.50GHz (20 Cores), Motherboard: MSI X99S SLI PLUS (MS-7885) v1.0, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 80GB INTEL SSDSCKGW08, Graphics: NVIDIA GeForce GTX Titan 6144MB, Audio: Intel C610/X99, Monitor: ASUS PB278, Network: Intel Connection

	OS: Ubuntu 15.04, Kernel: 3.19.0-26-generic (x86_64), Desktop: Unity 7.3.2, Display Server: X Server 1.17.1, Display Driver: nouveau 1.0.11, OpenGL: 3.3 Mesa 10.5.2 Gallium 0.4, Compiler: GCC 5.2.0 + Clang 3.8.0-svn246465-1~exp1, File-System: ext4, Screen Resolution: 1920x1080

LLVM Clang 3.8 SVN: 

	Processor: Intel Xeon E5-2687W v3 @ 3.50GHz (20 Cores), Motherboard: MSI X99S SLI PLUS (MS-7885) v1.0, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 80GB INTEL SSDSCKGW08, Graphics: NVIDIA GeForce GTX Titan 6144MB, Audio: Intel C610/X99, Monitor: ASUS PB278, Network: Intel Connection

	OS: Ubuntu 15.04, Kernel: 3.19.0-26-generic (x86_64), Desktop: Unity 7.3.2, Display Server: X Server 1.17.1, Display Driver: nouveau 1.0.11, OpenGL: 3.3 Mesa 10.5.2 Gallium 0.4, Compiler: Clang 3.8.0-svn246465-1~exp1, File-System: ext4, Screen Resolution: 1920x1080

LLVM Clang 3.8 SVN OMP: 

	Processor: Intel Xeon E5-2687W v3 @ 3.50GHz (20 Cores), Motherboard: MSI X99S SLI PLUS (MS-7885) v1.0, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 80GB INTEL SSDSCKGW08, Graphics: NVIDIA GeForce GTX Titan 6144MB, Audio: Intel C610/X99, Monitor: ASUS PB278, Network: Intel Connection

	OS: Ubuntu 15.04, Kernel: 3.19.0-26-generic (x86_64), Desktop: Unity 7.3.2, Display Server: X Server 1.17.1, Display Driver: nouveau 1.0.11, OpenGL: 3.3 Mesa 10.5.2 Gallium 0.4, Compiler: Clang 3.8.0-svn246465-1~exp1, File-System: ext4, Screen Resolution: 1920x1080


GraphicsMagick 1.3.19
Operation: Blur
Iterations Per Minute > Higher Is Better
GCC 4.9.2 .............. 143 |================================================
GCC 5.2.0 .............. 147 |=================================================
LLVM Clang 3.8 SVN ..... 94  |===============================
LLVM Clang 3.8 SVN OMP . 117 |=======================================


GraphicsMagick 1.3.19
Operation: Sharpen
Iterations Per Minute > Higher Is Better
GCC 4.9.2 .............. 143 |=================================================
GCC 5.2.0 .............. 144 |=================================================
LLVM Clang 3.8 SVN ..... 28  |==========
LLVM Clang 3.8 SVN OMP . 108 |=====================================


GraphicsMagick 1.3.19
Operation: Resizing
Iterations Per Minute > Higher Is Better
GCC 4.9.2 .............. 181 |================================================
GCC 5.2.0 .............. 185 |=================================================
LLVM Clang 3.8 SVN ..... 110 |=============================
LLVM Clang 3.8 SVN OMP . 137 |====================================


GraphicsMagick 1.3.19
Operation: HWB Color Space
Iterations Per Minute > Higher Is Better
GCC 4.9.2 .............. 177 |===============================================
GCC 5.2.0 .............. 186 |=================================================
LLVM Clang 3.8 SVN ..... 135 |====================================
LLVM Clang 3.8 SVN OMP . 150 |========================================


GraphicsMagick 1.3.19
Operation: Local Adaptive Thresholding
Iterations Per Minute > Higher Is Better
GCC 4.9.2 .............. 87 |==================================================
GCC 5.2.0 .............. 86 |=================================================
LLVM Clang 3.8 SVN ..... 85 |=================================================
LLVM Clang 3.8 SVN OMP . 85 |=================================================


Smallpt 1.0
Global Illumination Renderer; 100 Samples
Seconds < Lower Is Better
GCC 4.9.2 .............. 12  |====
GCC 5.2.0 .............. 12  |====
LLVM Clang 3.8 SVN ..... 144 |=================================================
LLVM Clang 3.8 SVN OMP . 13  |====