Compiler Comparaison on Macbook Pro Retina 2012 15"
llvm 7 clang 7


Xcode 10: 

	Processor: Intel Core i7 @ 2.30GHz (4 Cores / 8 Threads), Motherboard: Apple MacBook Pro, Chipset: Intel 7, Memory: 2 x 4 GB DDR3-1600MHz, Disk: 251GB APPLE SSD SM256E, Graphics: Intel HD 4000 + NVIDIA GeForce GT 650M 1536MB, Monitor: Color LCD

	OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, OpenCL: OpenCL 1.2 (May 24 2018 22:33:53), Compiler: Apple LLVM 10.0.0 (clang-1000.11.45.5) + GCC 4.2.1 + Xcode 10.1 + CUDA 9.0, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800

Xcode 9.O: 

	Processor: Intel Core i7 @ 2.30GHz (4 Cores / 8 Threads), Motherboard: Apple MacBook Pro, Chipset: Intel 7, Memory: 2 x 4 GB DDR3-1600MHz, Disk: 251GB APPLE SSD SM256E, Graphics: Intel HD 4000 + NVIDIA GeForce GT 650M 1536MB, Monitor: Color LCD

	OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, OpenCL: OpenCL 1.2 (May 24 2018 22:33:53), Compiler: Apple LLVM 9.0.0 (clang-900.0.39.2) + GCC 4.2.1 + Xcode 10.1 + CUDA 9.2, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800

Xcode 8.3: 

	Processor: Intel Core i7 @ 2.30GHz (4 Cores / 8 Threads), Motherboard: Apple MacBook Pro, Chipset: Intel 7, Memory: 2 x 4 GB DDR3-1600MHz, Disk: 251GB APPLE SSD SM256E, Graphics: Intel HD 4000 + NVIDIA GeForce GT 650M 1536MB, Monitor: Color LCD

	OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, OpenCL: OpenCL 1.2 (May 24 2018 22:33:53), Compiler: Apple LLVM 8.1.0 (clang-802.0.42) + GCC 4.2.1 + Xcode 10.1 + CUDA 9.0, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800

GCC 8.2: 

	Processor: Intel Core i7 @ 2.30GHz (4 Cores / 8 Threads), Motherboard: Apple MacBook Pro, Chipset: Intel 7, Memory: 2 x 4 GB DDR3-1600MHz, Disk: 251GB APPLE SSD SM256E, Graphics: Intel HD 4000 + NVIDIA GeForce GT 650M 1536MB, Monitor: Color LCD

	OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, OpenCL: OpenCL 1.2 (May 24 2018 22:33:53), Compiler: Apple LLVM 10.0.0 (clang-1000.11.45.5) + GCC 4.2.1 + Xcode 10.1 + CUDA 9.0, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800

GCC9 build 20181118: 

	Processor: Intel Core i7 @ 2.30GHz (4 Cores / 8 Threads), Motherboard: Apple MacBook Pro, Chipset: Intel 7, Memory: 2 x 4 GB DDR3-1600MHz, Disk: 251GB APPLE SSD SM256E, Graphics: Intel HD 4000 + NVIDIA GeForce GT 650M 1536MB, Monitor: Color LCD

	OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, OpenCL: OpenCL 1.2 (May 24 2018 22:33:53), Compiler: Apple LLVM 10.0.0 (clang-1000.11.45.5) + GCC 4.2.1 + Xcode 10.1 + CUDA 9.0, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800

llvm 7: 

	Processor: Intel Core i7 @ 2.30GHz (4 Cores / 8 Threads), Motherboard: Apple MacBook Pro, Chipset: Intel 7, Memory: 2 x 4 GB DDR3-1600MHz, Disk: 251GB APPLE SSD SM256E, Graphics: Intel HD 4000 + NVIDIA GeForce GT 650M 1536MB, Monitor: Color LCD

	OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, OpenCL: OpenCL 1.2 (May 24 2018 22:33:53), Compiler: Apple LLVM 10.0.0 (clang-1000.11.45.5) + GCC 4.2.1 + Xcode 10.1 + CUDA 9.0, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800


GraphicsMagick 1.3.30
Operation: Sharpen
Iterations Per Minute > Higher Is Better
Xcode 10 .. 47  |===========================
Xcode 9.O . 47  |===========================
Xcode 8.3 . 48  |============================
GCC 8.2 ... 107 |==============================================================
llvm 7 .... 101 |===========================================================


GraphicsMagick 1.3.30
Operation: Resizing
Iterations Per Minute > Higher Is Better
Xcode 10 .. 96  |======================================
Xcode 9.O . 97  |======================================
Xcode 8.3 . 96  |======================================
GCC 8.2 ... 158 |==============================================================
llvm 7 .... 146 |=========================================================


GraphicsMagick 1.3.30
Operation: HWB Color Space
Iterations Per Minute > Higher Is Better
Xcode 10 .. 130 |=============================================
Xcode 9.O . 129 |=============================================
Xcode 8.3 . 131 |==============================================
GCC 8.2 ... 178 |==============================================================
llvm 7 .... 166 |==========================================================


7-Zip Compression 16.02
Compress Speed Test
MIPS > Higher Is Better
Xcode 10 .. 18692 |============================================================
Xcode 9.O . 18569 |============================================================
Xcode 8.3 . 18130 |==========================================================


Timed Apache Compilation 2.4.7
Time To Compile
Seconds < Lower Is Better
Xcode 10 . 48.68 |==================================================
llvm 7 ... 59.03 |=============================================================


Timed ImageMagick Compilation 6.9.0
Time To Compile
Seconds < Lower Is Better
Xcode 10 ............ 73.76  |===========================
Xcode 9.O ........... 74.37  |===========================
Xcode 8.3 ........... 80.08  |=============================
GCC 8.2 ............. 130.60 |================================================
GCC9 build 20181118 . 134.52 |=================================================
llvm 7 .............. 112.50 |=========================================


Timed PHP Compilation 7.1.9
Time To Compile
Seconds < Lower Is Better
Xcode 10 ............ 172 |===================================
Xcode 9.O ........... 179 |====================================
Xcode 8.3 ........... 210 |===========================================
GCC 8.2 ............. 206 |==========================================
GCC9 build 20181118 . 206 |==========================================
llvm 7 .............. 256 |====================================================


C-Ray 1.1
Total Time - 4K, 16 Rays Per Pixel
Seconds < Lower Is Better
Xcode 10 .. 368 |============================================================
Xcode 9.O . 379 |==============================================================
Xcode 8.3 . 380 |==============================================================