Scimark Macbook Pro Retina 2012 Gentoo 5.1.1 NOPTI GCC 8.3 02 ivybridge 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 Xcode 10 O2: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 Xcode 10 O3: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 Xcode 10 Ofast: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 Xcode 10 O2 march=ivybridge: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 Xcode 10 GCC 6: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 GCC 6 O2: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 GCC 6 O3: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 GCC 6 Ofast: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 GCC 6 O2 march=ivybridge: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 GCC 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 GCC 7 O2: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 GCC 7 O2 march=ivybridge: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 GCC 7 O3: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 GCC 7 Ofast: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 GCC 8: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 GCC 8 O2: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 GCC O3: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 GCC 8 Ofast: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 GCC 8 O2 march=ivybridge: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 GCC 9: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 GCC 9 O2: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 GCC 9 O3: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 GCC 9 Ofast: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 Clang 6: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 6.0.1 + GCC 4.2.1 + LLVM 6.0.1 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 Clang 6 O2: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 6.0.1 + GCC 4.2.1 + LLVM 6.0.1 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 Clang 6 O3: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 6.0.1 + GCC 4.2.1 + LLVM 6.0.1 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 Clang 6 Ofast: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 6.0.1 + GCC 4.2.1 + LLVM 6.0.1 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 Clang 6 O2 march=ivybridge: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 Clang 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 7.0.1 + GCC 4.2.1 + LLVM 7.0.1 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 Clang 7 O2: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 7.0.1 + GCC 4.2.1 + LLVM 7.0.1 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 Clang 7 O3: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 7.0.1 + GCC 4.2.1 + LLVM 7.0.1 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 Clang 7 Ofast: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 7.0.1 + GCC 4.2.1 + LLVM 7.0.1 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 Clang 7 O2 march=ivybridge: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 Clang 8: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 Clang 8 O2: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 Clang 8 O3: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 Clang 8 Ofast: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 Clang 8 O2 march=ivybridge: 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 2GB, Monitor: Color LCD OS: macOS 10.13.6, Kernel: 17.7.0 (x86_64), Display Server: X Server 1.18.4, OpenGL: 2.1, Compiler: Clang 8.0.0 + GCC 4.2.1 + LLVM 8.0.0 + Xcode 10.1 + CUDA 10.1, File-System: MS-DOS FAT16, Screen Resolution: 2880x1800 Archlinux GCC 8.2: Processor: Intel Core i7-3615QM @ 3.30GHz (4 Cores / 8 Threads), Motherboard: Apple Mac-C3EC7CD22292981F (251.0.0.0.0 BIOS), Chipset: Intel 3rd Gen Core DRAM, Memory: 8192MB, Disk: 251GB APPLE SSD SM256E, Graphics: NVIDIA GeForce GT 650M 1GB (797/2508MHz), Audio: Cirrus Logic CS4206, Monitor: Color LCD, Network: Broadcom NetXtreme BCM57786 PCIe + Broadcom BCM4331 802.11a/b/g/n OS: Antergos Linux 19.3-ISO-Rolling, Kernel: 5.0.4-arch1-1-ARCH (x86_64), Desktop: Cinnamon 4.0.10, Display Server: X Server 1.20.4, Display Driver: NVIDIA 418.56, OpenGL: 4.6.0, Vulkan: 1.1.95, Compiler: GCC 8.2.1 20181127 + Clang 7.0.1 + LLVM 7.0.1 + CUDA 10.0, File-System: ext4, Screen Resolution: 2880x1800 Archlinux GCC 8.2 V2: Processor: Intel Core i7-3615QM @ 3.30GHz (4 Cores / 8 Threads), Motherboard: Apple Mac-C3EC7CD22292981F (251.0.0.0.0 BIOS), Chipset: Intel 3rd Gen Core DRAM, Memory: 8192MB, Disk: 251GB APPLE SSD SM256E, Graphics: NVIDIA GeForce GT 650M 1GB (797/2508MHz), Audio: Cirrus Logic CS4206, Monitor: Color LCD, Network: Broadcom NetXtreme BCM57786 PCIe + Broadcom BCM4331 802.11a/b/g/n OS: Antergos Linux 19.3-ISO-Rolling, Kernel: 5.0.4-arch1-1-ARCH (x86_64), Desktop: Cinnamon 4.0.10, Display Server: X Server 1.20.4, Display Driver: NVIDIA 418.56, OpenGL: 4.6.0, Vulkan: 1.1.95, Compiler: GCC 8.2.1 20181127 + Clang 7.0.1 + LLVM 7.0.1 + CUDA 10.0, File-System: ext4, Screen Resolution: 2880x1800 Archlinux GCC 8.2 O3: Processor: Intel Core i7-3615QM @ 3.30GHz (4 Cores / 8 Threads), Motherboard: Apple Mac-C3EC7CD22292981F (251.0.0.0.0 BIOS), Chipset: Intel 3rd Gen Core DRAM, Memory: 8192MB, Disk: 251GB APPLE SSD SM256E, Graphics: NVIDIA GeForce GT 650M 1GB (797/2508MHz), Audio: Cirrus Logic CS4206, Monitor: Color LCD, Network: Broadcom NetXtreme BCM57786 PCIe + Broadcom BCM4331 802.11a/b/g/n OS: Antergos Linux 19.3-ISO-Rolling, Kernel: 5.0.4-arch1-1-ARCH (x86_64), Desktop: Cinnamon 4.0.10, Display Server: X Server 1.20.4, Display Driver: NVIDIA 418.56, OpenGL: 4.6.0, Vulkan: 1.1.95, Compiler: GCC 8.2.1 20181127 + Clang 7.0.1 + LLVM 7.0.1 + CUDA 10.0, File-System: ext4, Screen Resolution: 2880x1800 Archlinux Clang 7: Processor: Intel Core i7-3615QM @ 3.30GHz (4 Cores / 8 Threads), Motherboard: Apple Mac-C3EC7CD22292981F (251.0.0.0.0 BIOS), Chipset: Intel 3rd Gen Core DRAM, Memory: 8192MB, Disk: 251GB APPLE SSD SM256E, Graphics: NVIDIA GeForce GT 650M 1GB (797/2508MHz), Audio: Cirrus Logic CS4206, Monitor: Color LCD, Network: Broadcom NetXtreme BCM57786 PCIe + Broadcom BCM4331 802.11a/b/g/n OS: Antergos Linux 19.3-ISO-Rolling, Kernel: 5.0.4-arch1-1-ARCH (x86_64), Desktop: Cinnamon 4.0.10, Display Server: X Server 1.20.4, Display Driver: NVIDIA 418.56, OpenGL: 4.6.0, Vulkan: 1.1.95, Compiler: Clang 7.0.1 + GCC 8.2.1 20181127 + LLVM 7.0.1 + CUDA 10.0, File-System: ext4, Screen Resolution: 2880x1800 Archlinux Clang 7 O3: Processor: Intel Core i7-3615QM @ 3.30GHz (4 Cores / 8 Threads), Motherboard: Apple Mac-C3EC7CD22292981F (251.0.0.0.0 BIOS), Chipset: Intel 3rd Gen Core DRAM, Memory: 8192MB, Disk: 251GB APPLE SSD SM256E, Graphics: NVIDIA GeForce GT 650M 1GB (797/2508MHz), Audio: Cirrus Logic CS4206, Monitor: Color LCD, Network: Broadcom NetXtreme BCM57786 PCIe + Broadcom BCM4331 802.11a/b/g/n OS: Antergos Linux 19.3-ISO-Rolling, Kernel: 5.0.4-arch1-1-ARCH (x86_64), Desktop: Cinnamon 4.0.10, Display Server: X Server 1.20.4, Display Driver: NVIDIA 418.56, OpenGL: 4.6.0, Vulkan: 1.1.95, Compiler: Clang 7.0.1 + GCC 8.2.1 20181127 + LLVM 7.0.1 + CUDA 10.0, File-System: ext4, Screen Resolution: 2880x1800 Gentoo 5.1.1 NOPTI GCC 8.3 02 ivybridge: Processor: Intel Core i7-3615QM @ 3.30GHz (4 Cores / 8 Threads), Motherboard: Apple Mac-C3EC7CD22292981F (253.0.0.0.0 BIOS), Chipset: Intel 3rd Gen Core DRAM, Memory: 8192MB, Disk: 251GB APPLE SSD SM256E, Graphics: Intel NVIDIA NVE7 1GB (1200MHz), Audio: Cirrus Logic CS4206, Monitor: Color LCD, Network: Broadcom NetXtreme BCM57786 PCIe + Broadcom BCM4331 802.11a/b/g/n OS: Gentoo/Linux, Kernel: 5.1.1-gentoo (x86_64), Desktop: MATE 1.22.0, Display Server: X Server 1.20.4, Display Driver: nouveau 1.0.16, Compiler: GCC 8.3.0 + Clang 8.0.0 + LLVM 8.0.0, File-System: ext4, Screen Resolution: 2880x1800 SciMark 2.0 Computational Test: Composite Mflops > Higher Is Better Xcode 10 ................................ 533 |=========== Xcode 10 O2 ............................. 1439 |============================= Xcode 10 O3 ............................. 1479 |============================== Xcode 10 Ofast .......................... 1505 |=============================== Xcode 10 O2 march=ivybridge ............. 1435 |============================= Xcode 10 GCC 6 .......................... 489 |========== GCC 6 O2 ................................ 1227 |========================= GCC 6 O3 ................................ 1416 |============================= GCC 6 Ofast ............................. 1459 |============================== GCC 6 O2 march=ivybridge ................ 1237 |========================= GCC 7 ................................... 485 |========== GCC 7 O2 ................................ 1207 |========================= GCC 7 O2 march=ivybridge ................ 1237 |========================= GCC 7 O3 ................................ 1252 |========================== GCC 7 Ofast ............................. 1425 |============================= GCC 8 ................................... 483 |========== GCC 8 O2 ................................ 1245 |========================= GCC O3 .................................. 1321 |=========================== GCC 8 Ofast ............................. 1329 |=========================== GCC 8 O2 march=ivybridge ................ 1225 |========================= GCC 9 ................................... 483 |========== GCC 9 O2 ................................ 1200 |========================= GCC 9 O3 ................................ 1321 |=========================== GCC 9 Ofast ............................. 1331 |=========================== Clang 6 ................................. 529 |=========== Clang 6 O2 .............................. 1466 |============================== Clang 6 O3 .............................. 1454 |============================== Clang 6 Ofast ........................... 1481 |============================== Clang 6 O2 march=ivybridge .............. 1473 |============================== Clang 7 ................................. 531 |=========== Clang 7 O2 .............................. 1473 |============================== Clang 7 O3 .............................. 1453 |============================== Clang 7 Ofast ........................... 1494 |=============================== Clang 7 O2 march=ivybridge .............. 1470 |============================== Clang 8 ................................. 527 |=========== Clang 8 O2 .............................. 1463 |============================== Clang 8 O3 .............................. 1434 |============================= Clang 8 Ofast ........................... 1493 |=============================== Clang 8 O2 march=ivybridge .............. 1463 |============================== Archlinux GCC 8.2 V2 .................... 487 |========== Archlinux GCC 8.2 O3 .................... 1497 |=============================== Archlinux Clang 7 ....................... 544 |=========== Archlinux Clang 7 O3 .................... 1516 |=============================== Gentoo 5.1.1 NOPTI GCC 8.3 02 ivybridge . 1269 |========================== SciMark 2.0 Computational Test: Monte Carlo Mflops > Higher Is Better Xcode 10 ................................ 104 |====== Xcode 10 O2 ............................. 409 |======================= Xcode 10 O3 ............................. 471 |=========================== Xcode 10 Ofast .......................... 408 |======================= Xcode 10 O2 march=ivybridge ............. 464 |=========================== Xcode 10 GCC 6 .......................... 104 |====== GCC 6 O2 ................................ 495 |============================ GCC 6 O3 ................................ 496 |============================ GCC 6 Ofast ............................. 514 |============================= GCC 6 O2 march=ivybridge ................ 525 |============================== GCC 7 ................................... 105 |====== GCC 7 O2 ................................ 494 |============================ GCC 7 O2 march=ivybridge ................ 494 |============================ GCC 7 O3 ................................ 438 |========================= GCC 7 Ofast ............................. 509 |============================= GCC 8 ................................... 106 |====== GCC 8 O2 ................................ 504 |============================= GCC O3 .................................. 427 |======================== GCC 8 Ofast ............................. 536 |=============================== GCC 8 O2 march=ivybridge ................ 430 |========================= GCC 9 ................................... 108 |====== GCC 9 O2 ................................ 477 |=========================== GCC 9 O3 ................................ 476 |=========================== GCC 9 Ofast ............................. 512 |============================= Clang 6 ................................. 100 |====== Clang 6 O2 .............................. 476 |=========================== Clang 6 O3 .............................. 441 |========================= Clang 6 Ofast ........................... 428 |======================== Clang 6 O2 march=ivybridge .............. 512 |============================= Clang 7 ................................. 100 |====== Clang 7 O2 .............................. 507 |============================= Clang 7 O3 .............................. 451 |========================== Clang 7 Ofast ........................... 461 |========================== Clang 7 O2 march=ivybridge .............. 479 |=========================== Clang 8 ................................. 101 |====== Clang 8 O2 .............................. 483 |============================ Clang 8 O3 .............................. 338 |=================== Clang 8 Ofast ........................... 453 |========================== Clang 8 O2 march=ivybridge .............. 478 |=========================== Archlinux GCC 8.2 V2 .................... 105 |====== Archlinux GCC 8.2 O3 .................... 560 |================================ Archlinux Clang 7 ....................... 106 |====== Archlinux Clang 7 O3 .................... 522 |============================== Gentoo 5.1.1 NOPTI GCC 8.3 02 ivybridge . 554 |================================ SciMark 2.0 Computational Test: Fast Fourier Transform Mflops > Higher Is Better Xcode 10 ................................ 163 |================= Xcode 10 O2 ............................. 284 |============================= Xcode 10 O3 ............................. 298 |=============================== Xcode 10 Ofast .......................... 294 |============================== Xcode 10 O2 march=ivybridge ............. 292 |============================== Xcode 10 GCC 6 .......................... 153 |================ GCC 6 O2 ................................ 301 |=============================== GCC 6 O3 ................................ 299 |=============================== GCC 6 Ofast ............................. 296 |============================== GCC 6 O2 march=ivybridge ................ 294 |============================== GCC 7 ................................... 158 |================ GCC 7 O2 ................................ 291 |============================== GCC 7 O2 march=ivybridge ................ 299 |=============================== GCC 7 O3 ................................ 277 |============================ GCC 7 Ofast ............................. 296 |============================== GCC 8 ................................... 158 |================ GCC 8 O2 ................................ 296 |============================== GCC O3 .................................. 296 |============================== GCC 8 Ofast ............................. 292 |============================== GCC 8 O2 march=ivybridge ................ 297 |============================== GCC 9 ................................... 153 |================ GCC 9 O2 ................................ 291 |============================== GCC 9 O3 ................................ 293 |============================== GCC 9 Ofast ............................. 292 |============================== Clang 6 ................................. 162 |================= Clang 6 O2 .............................. 293 |============================== Clang 6 O3 .............................. 292 |============================== Clang 6 Ofast ........................... 294 |============================== Clang 6 O2 march=ivybridge .............. 293 |============================== Clang 7 ................................. 162 |================= Clang 7 O2 .............................. 310 |================================ Clang 7 O3 .............................. 312 |================================ Clang 7 Ofast ........................... 301 |=============================== Clang 7 O2 march=ivybridge .............. 311 |================================ Clang 8 ................................. 160 |================ Clang 8 O2 .............................. 305 |=============================== Clang 8 O3 .............................. 304 |=============================== Clang 8 Ofast ........................... 300 |=============================== Clang 8 O2 march=ivybridge .............. 308 |================================ Archlinux GCC 8.2 V2 .................... 144 |=============== Archlinux GCC 8.2 O3 .................... 295 |============================== Archlinux Clang 7 ....................... 166 |================= Archlinux Clang 7 O3 .................... 311 |================================ Gentoo 5.1.1 NOPTI GCC 8.3 02 ivybridge . 275 |============================ SciMark 2.0 Computational Test: Sparse Matrix Multiply Mflops > Higher Is Better Xcode 10 ................................ 601 |========= Xcode 10 O2 ............................. 1801 |============================ Xcode 10 O3 ............................. 1897 |============================= Xcode 10 Ofast .......................... 1905 |============================= Xcode 10 O2 march=ivybridge ............. 1885 |============================= Xcode 10 GCC 6 .......................... 519 |======== GCC 6 O2 ................................ 1929 |============================== GCC 6 O3 ................................ 1960 |============================== GCC 6 Ofast ............................. 1992 |=============================== GCC 6 O2 march=ivybridge ................ 1951 |============================== GCC 7 ................................... 518 |======== GCC 7 O2 ................................ 1869 |============================= GCC 7 O2 march=ivybridge ................ 1930 |============================== GCC 7 O3 ................................ 1779 |=========================== GCC 7 Ofast ............................. 1856 |============================= GCC 8 ................................... 515 |======== GCC 8 O2 ................................ 1983 |============================== GCC O3 .................................. 1992 |=============================== GCC 8 Ofast ............................. 1923 |============================== GCC 8 O2 march=ivybridge ................ 1999 |=============================== GCC 9 ................................... 518 |======== GCC 9 O2 ................................ 1860 |============================= GCC 9 O3 ................................ 1939 |============================== GCC 9 Ofast ............................. 1996 |=============================== Clang 6 ................................. 594 |========= Clang 6 O2 .............................. 1890 |============================= Clang 6 O3 .............................. 1871 |============================= Clang 6 Ofast ........................... 1863 |============================= Clang 6 O2 march=ivybridge .............. 1890 |============================= Clang 7 ................................. 598 |========= Clang 7 O2 .............................. 1883 |============================= Clang 7 O3 .............................. 1855 |============================= Clang 7 Ofast ........................... 1882 |============================= Clang 7 O2 march=ivybridge .............. 1884 |============================= Clang 8 ................................. 592 |========= Clang 8 O2 .............................. 1868 |============================= Clang 8 O3 .............................. 1881 |============================= Clang 8 Ofast ........................... 1877 |============================= Clang 8 O2 march=ivybridge .............. 1875 |============================= Archlinux GCC 8.2 V2 .................... 527 |======== Archlinux GCC 8.2 O3 .................... 2016 |=============================== Archlinux Clang 7 ....................... 609 |========= Archlinux Clang 7 O3 .................... 1939 |============================== Gentoo 5.1.1 NOPTI GCC 8.3 02 ivybridge . 1989 |=============================== SciMark 2.0 Computational Test: Dense LU Matrix Factorization Mflops > Higher Is Better Xcode 10 ................................ 828 |======== Xcode 10 O2 ............................. 3227 |============================= Xcode 10 O3 ............................. 3345 |=============================== Xcode 10 Ofast .......................... 3351 |=============================== Xcode 10 O2 march=ivybridge ............. 3162 |============================= Xcode 10 GCC 6 .......................... 698 |====== GCC 6 O2 ................................ 2433 |====================== GCC 6 O3 ................................ 2937 |=========================== GCC 6 Ofast ............................. 2929 |=========================== GCC 6 O2 march=ivybridge ................ 2441 |====================== GCC 7 ................................... 690 |====== GCC 7 O2 ................................ 2327 |===================== GCC 7 O2 march=ivybridge ................ 2482 |======================= GCC 7 O3 ................................ 2580 |======================== GCC 7 Ofast ............................. 2884 |========================== GCC 8 ................................... 687 |====== GCC 8 O2 ................................ 2464 |====================== GCC O3 .................................. 2500 |======================= GCC 8 Ofast ............................. 2498 |======================= GCC 8 O2 march=ivybridge ................ 2424 |====================== GCC 9 ................................... 688 |====== GCC 9 O2 ................................ 2399 |====================== GCC 9 O3 ................................ 2517 |======================= GCC 9 Ofast ............................. 2459 |====================== Clang 6 ................................. 830 |======== Clang 6 O2 .............................. 3287 |============================== Clang 6 O3 .............................. 3297 |============================== Clang 6 Ofast ........................... 3260 |============================== Clang 6 O2 march=ivybridge .............. 3295 |============================== Clang 7 ................................. 833 |======== Clang 7 O2 .............................. 3284 |============================== Clang 7 O3 .............................. 3288 |============================== Clang 7 Ofast ........................... 3275 |============================== Clang 7 O2 march=ivybridge .............. 3294 |============================== Clang 8 ................................. 815 |======= Clang 8 O2 .............................. 3284 |============================== Clang 8 O3 .............................. 3262 |============================== Clang 8 Ofast ........................... 3279 |============================== Clang 8 O2 march=ivybridge .............. 3277 |============================== Archlinux GCC 8.2 V2 .................... 703 |====== Archlinux GCC 8.2 O3 .................... 3203 |============================= Archlinux Clang 7 ....................... 860 |======== Archlinux Clang 7 O3 .................... 3396 |=============================== Gentoo 5.1.1 NOPTI GCC 8.3 02 ivybridge . 2537 |======================= SciMark 2.0 Computational Test: Jacobi Successive Over-Relaxation Mflops > Higher Is Better Xcode 10 ................................ 968 |=================== Xcode 10 O2 ............................. 1340 |=========================== Xcode 10 O3 ............................. 1384 |=========================== Xcode 10 Ofast .......................... 1567 |=============================== Xcode 10 O2 march=ivybridge ............. 1374 |=========================== Xcode 10 GCC 6 .......................... 969 |=================== GCC 6 O2 ................................ 976 |=================== GCC 6 O3 ................................ 1386 |=========================== GCC 6 Ofast ............................. 1564 |=============================== GCC 6 O2 march=ivybridge ................ 974 |=================== GCC 7 ................................... 955 |=================== GCC 7 O2 ................................ 978 |=================== GCC 7 O2 march=ivybridge ................ 978 |=================== GCC 7 O3 ................................ 1185 |======================= GCC 7 Ofast ............................. 1554 |=============================== GCC 8 ................................... 951 |=================== GCC 8 O2 ................................ 978 |=================== GCC O3 .................................. 1391 |============================ GCC 8 Ofast ............................. 1395 |============================ GCC 8 O2 march=ivybridge ................ 976 |=================== GCC 9 ................................... 950 |=================== GCC 9 O2 ................................ 974 |=================== GCC 9 O3 ................................ 1379 |=========================== GCC 9 Ofast ............................. 1396 |============================ Clang 6 ................................. 957 |=================== Clang 6 O2 .............................. 1384 |=========================== Clang 6 O3 .............................. 1369 |=========================== Clang 6 Ofast ........................... 1557 |=============================== Clang 6 O2 march=ivybridge .............. 1377 |=========================== Clang 7 ................................. 965 |=================== Clang 7 O2 .............................. 1381 |=========================== Clang 7 O3 .............................. 1377 |=========================== Clang 7 Ofast ........................... 1550 |=============================== Clang 7 O2 march=ivybridge .............. 1380 |=========================== Clang 8 ................................. 965 |=================== Clang 8 O2 .............................. 1374 |=========================== Clang 8 O3 .............................. 1386 |=========================== Clang 8 Ofast ........................... 1554 |=============================== Clang 8 O2 march=ivybridge .............. 1376 |=========================== Archlinux GCC 8.2 V2 .................... 957 |=================== Archlinux GCC 8.2 O3 .................... 1412 |============================ Archlinux Clang 7 ....................... 979 |=================== Archlinux Clang 7 O3 .................... 1412 |============================ Gentoo 5.1.1 NOPTI GCC 8.3 02 ivybridge . 988 |====================