Scimark Macbook Pro Retina 2012 Gentoo 5.6.4 NOPTI GCC 9.3 O2 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 Gentoo 5.1.1 NOPTI GCC 8.3 03 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 Clear Linux GCC 9 O2 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: NVIDIA NVE7 1GB (1200MHz), Audio: Cirrus Logic CS4206, Monitor: Color LCD, Network: Broadcom NetXtreme BCM57786 PCIe + Broadcom NetXtreme BCM57762 PCIe + Broadcom BCM4331 802.11a/b/g/n OS: Clear Linux OS 29540, Kernel: 5.0.17-765.native (x86_64), Desktop: Xfce 4.12, Display Server: X Server 1.20.4, Display Driver: nouveau 1.0.16, OpenGL: 4.3 Mesa 19.2.0-devel, Vulkan: 1.1.102, Compiler: GCC 9.1.1 20190520 gcc-9-branch@271393 + Clang 8.0.0 + LLVM 8.0.0, File-System: ext4, Screen Resolution: 2880x1800 Clear Linux GCC 9 O3 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: NVIDIA NVE7 1GB (1200MHz), Audio: Cirrus Logic CS4206, Monitor: Color LCD, Network: Broadcom NetXtreme BCM57786 PCIe + Broadcom NetXtreme BCM57762 PCIe + Broadcom BCM4331 802.11a/b/g/n OS: Clear Linux OS 29540, Kernel: 5.0.17-765.native (x86_64), Desktop: Xfce 4.12, Display Server: X Server 1.20.4, Display Driver: nouveau 1.0.16, OpenGL: 4.3 Mesa 19.2.0-devel, Vulkan: 1.1.102, Compiler: GCC 9.1.1 20190520 gcc-9-branch@271393 + Clang 8.0.0 + LLVM 8.0.0, File-System: ext4, Screen Resolution: 2880x1800 Clear Linux GCC 9 Ofast 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: NVIDIA NVE7 1GB (1200MHz), Audio: Cirrus Logic CS4206, Monitor: Color LCD, Network: Broadcom NetXtreme BCM57786 PCIe + Broadcom NetXtreme BCM57762 PCIe + Broadcom BCM4331 802.11a/b/g/n OS: Clear Linux OS 29540, Kernel: 5.0.17-765.native (x86_64), Desktop: Xfce 4.12, Display Server: X Server 1.20.4, Display Driver: nouveau 1.0.16, OpenGL: 4.3 Mesa 19.2.0-devel, Vulkan: 1.1.102, Compiler: GCC 9.1.1 20190520 gcc-9-branch@271393 + Clang 8.0.0 + LLVM 8.0.0, File-System: ext4, Screen Resolution: 2880x1800 Gentoo 5.6.4 NOPTI GCC 9.3 O2 ivybridge: Processor: Intel Core i7-3615QM @ 3.30GHz (4 Cores / 8 Threads), Motherboard: Apple Mac-C3EC7CD22292981F (259.0.0.0.0 BIOS), Chipset: Intel 3rd Gen Core DRAM, Memory: 8GB, 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: Gentoo 2.6, Kernel: 5.6.4-gentoo-x86_64 (x86_64), Desktop: LXQt 0.14.1, Display Server: X Server 1.20.7, Display Driver: NVIDIA 440.82, OpenGL: 4.6.0, OpenCL: OpenCL 1.2 CUDA 10.2.159, Compiler: GCC 9.3.0 + Clang 9.0.1 + LLVM 9.0.1 + CUDA 10.2, File-System: ext4, Screen Resolution: 2880x1800 SciMark 2.0 Computational Test: Composite Mflops > Higher Is Better Xcode 10 ................................ 533.00 |========== Xcode 10 O2 ............................. 1439.00 |========================== Xcode 10 O3 ............................. 1479.00 |=========================== Xcode 10 Ofast .......................... 1505.00 |=========================== Xcode 10 O2 march=ivybridge ............. 1435.00 |========================== Xcode 10 GCC 6 .......................... 489.00 |========= GCC 6 O2 ................................ 1227.00 |====================== GCC 6 O3 ................................ 1416.00 |========================== GCC 6 Ofast ............................. 1459.00 |========================== GCC 6 O2 march=ivybridge ................ 1237.00 |====================== GCC 7 ................................... 485.00 |========= GCC 7 O2 ................................ 1207.00 |====================== GCC 7 O2 march=ivybridge ................ 1237.00 |====================== GCC 7 O3 ................................ 1252.00 |======================= GCC 7 Ofast ............................. 1425.00 |========================== GCC 8 ................................... 483.00 |========= GCC 8 O2 ................................ 1245.00 |====================== GCC O3 .................................. 1321.00 |======================== GCC 8 Ofast ............................. 1329.00 |======================== GCC 8 O2 march=ivybridge ................ 1225.00 |====================== GCC 9 ................................... 483.00 |========= GCC 9 O2 ................................ 1200.00 |====================== GCC 9 O3 ................................ 1321.00 |======================== GCC 9 Ofast ............................. 1331.00 |======================== Clang 6 ................................. 529.00 |========== Clang 6 O2 .............................. 1466.00 |========================== Clang 6 O3 .............................. 1454.00 |========================== Clang 6 Ofast ........................... 1481.00 |=========================== Clang 6 O2 march=ivybridge .............. 1473.00 |=========================== Clang 7 ................................. 531.00 |========== Clang 7 O2 .............................. 1473.00 |=========================== Clang 7 O3 .............................. 1453.00 |========================== Clang 7 Ofast ........................... 1494.00 |=========================== Clang 7 O2 march=ivybridge .............. 1470.00 |========================== Clang 8 ................................. 527.00 |========= Clang 8 O2 .............................. 1463.00 |========================== Clang 8 O3 .............................. 1434.00 |========================== Clang 8 Ofast ........................... 1493.00 |=========================== Clang 8 O2 march=ivybridge .............. 1463.00 |========================== Archlinux GCC 8.2 V2 .................... 487.00 |========= Archlinux GCC 8.2 O3 .................... 1497.00 |=========================== Archlinux Clang 7 ....................... 544.00 |========== Archlinux Clang 7 O3 .................... 1516.00 |=========================== Gentoo 5.1.1 NOPTI GCC 8.3 02 ivybridge . 1269.00 |======================= Gentoo 5.1.1 NOPTI GCC 8.3 03 ivybridge . 1554.00 |============================ Clear Linux GCC 9 O2 ivybridge .......... 1271.00 |======================= Clear Linux GCC 9 O3 ivybridge .......... 1539.00 |============================ Clear Linux GCC 9 Ofast ivybridge ....... 1536.00 |============================ Gentoo 5.6.4 NOPTI GCC 9.3 O2 ivybridge . 1268.00 |======================= SciMark 2.0 Computational Test: Monte Carlo Mflops > Higher Is Better Xcode 10 ................................ 104.00 |===== Xcode 10 O2 ............................. 409.00 |===================== Xcode 10 O3 ............................. 471.00 |======================== Xcode 10 Ofast .......................... 408.00 |===================== Xcode 10 O2 march=ivybridge ............. 464.00 |======================== Xcode 10 GCC 6 .......................... 104.00 |===== GCC 6 O2 ................................ 495.00 |========================== GCC 6 O3 ................................ 496.00 |========================== GCC 6 Ofast ............................. 514.00 |=========================== GCC 6 O2 march=ivybridge ................ 525.00 |=========================== GCC 7 ................................... 105.00 |===== GCC 7 O2 ................................ 494.00 |========================== GCC 7 O2 march=ivybridge ................ 494.00 |========================== GCC 7 O3 ................................ 438.00 |======================= GCC 7 Ofast ............................. 509.00 |========================== GCC 8 ................................... 106.00 |===== GCC 8 O2 ................................ 504.00 |========================== GCC O3 .................................. 427.00 |====================== GCC 8 Ofast ............................. 536.00 |============================ GCC 8 O2 march=ivybridge ................ 430.00 |====================== GCC 9 ................................... 108.00 |====== GCC 9 O2 ................................ 477.00 |========================= GCC 9 O3 ................................ 476.00 |========================= GCC 9 Ofast ............................. 512.00 |=========================== Clang 6 ................................. 100.00 |===== Clang 6 O2 .............................. 476.00 |========================= Clang 6 O3 .............................. 441.00 |======================= Clang 6 Ofast ........................... 428.00 |====================== Clang 6 O2 march=ivybridge .............. 512.00 |=========================== Clang 7 ................................. 100.00 |===== Clang 7 O2 .............................. 507.00 |========================== Clang 7 O3 .............................. 451.00 |======================= Clang 7 Ofast ........................... 461.00 |======================== Clang 7 O2 march=ivybridge .............. 479.00 |========================= Clang 8 ................................. 101.00 |===== Clang 8 O2 .............................. 483.00 |========================= Clang 8 O3 .............................. 338.00 |================== Clang 8 Ofast ........................... 453.00 |======================= Clang 8 O2 march=ivybridge .............. 478.00 |========================= Archlinux GCC 8.2 V2 .................... 105.00 |===== Archlinux GCC 8.2 O3 .................... 560.00 |============================= Archlinux Clang 7 ....................... 106.00 |===== Archlinux Clang 7 O3 .................... 522.00 |=========================== Gentoo 5.1.1 NOPTI GCC 8.3 02 ivybridge . 554.00 |============================= Gentoo 5.1.1 NOPTI GCC 8.3 03 ivybridge . 557.00 |============================= Clear Linux GCC 9 O2 ivybridge .......... 560.00 |============================= Clear Linux GCC 9 O3 ivybridge .......... 549.00 |============================ Clear Linux GCC 9 Ofast ivybridge ....... 554.00 |============================= Gentoo 5.6.4 NOPTI GCC 9.3 O2 ivybridge . 549.80 |============================ SciMark 2.0 Computational Test: Fast Fourier Transform Mflops > Higher Is Better Xcode 10 ................................ 163.00 |=============== Xcode 10 O2 ............................. 284.00 |========================== Xcode 10 O3 ............................. 298.00 |============================ Xcode 10 Ofast .......................... 294.00 |=========================== Xcode 10 O2 march=ivybridge ............. 292.00 |=========================== Xcode 10 GCC 6 .......................... 153.00 |============== GCC 6 O2 ................................ 301.00 |============================ GCC 6 O3 ................................ 299.00 |============================ GCC 6 Ofast ............................. 296.00 |============================ GCC 6 O2 march=ivybridge ................ 294.00 |=========================== GCC 7 ................................... 158.00 |=============== GCC 7 O2 ................................ 291.00 |=========================== GCC 7 O2 march=ivybridge ................ 299.00 |============================ GCC 7 O3 ................................ 277.00 |========================== GCC 7 Ofast ............................. 296.00 |============================ GCC 8 ................................... 158.00 |=============== GCC 8 O2 ................................ 296.00 |============================ GCC O3 .................................. 296.00 |============================ GCC 8 Ofast ............................. 292.00 |=========================== GCC 8 O2 march=ivybridge ................ 297.00 |============================ GCC 9 ................................... 153.00 |============== GCC 9 O2 ................................ 291.00 |=========================== GCC 9 O3 ................................ 293.00 |=========================== GCC 9 Ofast ............................. 292.00 |=========================== Clang 6 ................................. 162.00 |=============== Clang 6 O2 .............................. 293.00 |=========================== Clang 6 O3 .............................. 292.00 |=========================== Clang 6 Ofast ........................... 294.00 |=========================== Clang 6 O2 march=ivybridge .............. 293.00 |=========================== Clang 7 ................................. 162.00 |=============== Clang 7 O2 .............................. 310.00 |============================= Clang 7 O3 .............................. 312.00 |============================= Clang 7 Ofast ........................... 301.00 |============================ Clang 7 O2 march=ivybridge .............. 311.00 |============================= Clang 8 ................................. 160.00 |=============== Clang 8 O2 .............................. 305.00 |============================ Clang 8 O3 .............................. 304.00 |============================ Clang 8 Ofast ........................... 300.00 |============================ Clang 8 O2 march=ivybridge .............. 308.00 |============================= Archlinux GCC 8.2 V2 .................... 144.00 |============= Archlinux GCC 8.2 O3 .................... 295.00 |=========================== Archlinux Clang 7 ....................... 166.00 |=============== Archlinux Clang 7 O3 .................... 311.00 |============================= Gentoo 5.1.1 NOPTI GCC 8.3 02 ivybridge . 275.00 |========================== Gentoo 5.1.1 NOPTI GCC 8.3 03 ivybridge . 279.00 |========================== Clear Linux GCC 9 O2 ivybridge .......... 278.00 |========================== Clear Linux GCC 9 O3 ivybridge .......... 279.00 |========================== Clear Linux GCC 9 Ofast ivybridge ....... 271.00 |========================= Gentoo 5.6.4 NOPTI GCC 9.3 O2 ivybridge . 302.46 |============================ SciMark 2.0 Computational Test: Sparse Matrix Multiply Mflops > Higher Is Better Xcode 10 ................................ 601.00 |======== Xcode 10 O2 ............................. 1801.00 |======================= Xcode 10 O3 ............................. 1897.00 |======================== Xcode 10 Ofast .......................... 1905.00 |========================= Xcode 10 O2 march=ivybridge ............. 1885.00 |======================== Xcode 10 GCC 6 .......................... 519.00 |======= GCC 6 O2 ................................ 1929.00 |========================= GCC 6 O3 ................................ 1960.00 |========================= GCC 6 Ofast ............................. 1992.00 |========================== GCC 6 O2 march=ivybridge ................ 1951.00 |========================= GCC 7 ................................... 518.00 |======= GCC 7 O2 ................................ 1869.00 |======================== GCC 7 O2 march=ivybridge ................ 1930.00 |========================= GCC 7 O3 ................................ 1779.00 |======================= GCC 7 Ofast ............................. 1856.00 |======================== GCC 8 ................................... 515.00 |======= GCC 8 O2 ................................ 1983.00 |========================== GCC O3 .................................. 1992.00 |========================== GCC 8 Ofast ............................. 1923.00 |========================= GCC 8 O2 march=ivybridge ................ 1999.00 |========================== GCC 9 ................................... 518.00 |======= GCC 9 O2 ................................ 1860.00 |======================== GCC 9 O3 ................................ 1939.00 |========================= GCC 9 Ofast ............................. 1996.00 |========================== Clang 6 ................................. 594.00 |======== Clang 6 O2 .............................. 1890.00 |======================== Clang 6 O3 .............................. 1871.00 |======================== Clang 6 Ofast ........................... 1863.00 |======================== Clang 6 O2 march=ivybridge .............. 1890.00 |======================== Clang 7 ................................. 598.00 |======== Clang 7 O2 .............................. 1883.00 |======================== Clang 7 O3 .............................. 1855.00 |======================== Clang 7 Ofast ........................... 1882.00 |======================== Clang 7 O2 march=ivybridge .............. 1884.00 |======================== Clang 8 ................................. 592.00 |======== Clang 8 O2 .............................. 1868.00 |======================== Clang 8 O3 .............................. 1881.00 |======================== Clang 8 Ofast ........................... 1877.00 |======================== Clang 8 O2 march=ivybridge .............. 1875.00 |======================== Archlinux GCC 8.2 V2 .................... 527.00 |======= Archlinux GCC 8.2 O3 .................... 2016.00 |========================== Archlinux Clang 7 ....................... 609.00 |======== Archlinux Clang 7 O3 .................... 1939.00 |========================= Gentoo 5.1.1 NOPTI GCC 8.3 02 ivybridge . 1989.00 |========================== Gentoo 5.1.1 NOPTI GCC 8.3 03 ivybridge . 2153.00 |============================ Clear Linux GCC 9 O2 ivybridge .......... 1998.00 |========================== Clear Linux GCC 9 O3 ivybridge .......... 2164.00 |============================ Clear Linux GCC 9 Ofast ivybridge ....... 2172.00 |============================ Gentoo 5.6.4 NOPTI GCC 9.3 O2 ivybridge . 2005.95 |========================== SciMark 2.0 Computational Test: Dense LU Matrix Factorization Mflops > Higher Is Better Xcode 10 ................................ 828.00 |======= Xcode 10 O2 ............................. 3227.00 |=========================== Xcode 10 O3 ............................. 3345.00 |============================ Xcode 10 Ofast .......................... 3351.00 |============================ Xcode 10 O2 march=ivybridge ............. 3162.00 |========================== Xcode 10 GCC 6 .......................... 698.00 |====== GCC 6 O2 ................................ 2433.00 |==================== GCC 6 O3 ................................ 2937.00 |======================== GCC 6 Ofast ............................. 2929.00 |======================== GCC 6 O2 march=ivybridge ................ 2441.00 |==================== GCC 7 ................................... 690.00 |====== GCC 7 O2 ................................ 2327.00 |=================== GCC 7 O2 march=ivybridge ................ 2482.00 |==================== GCC 7 O3 ................................ 2580.00 |===================== GCC 7 Ofast ............................. 2884.00 |======================== GCC 8 ................................... 687.00 |====== GCC 8 O2 ................................ 2464.00 |==================== GCC O3 .................................. 2500.00 |===================== GCC 8 Ofast ............................. 2498.00 |===================== GCC 8 O2 march=ivybridge ................ 2424.00 |==================== GCC 9 ................................... 688.00 |====== GCC 9 O2 ................................ 2399.00 |==================== GCC 9 O3 ................................ 2517.00 |===================== GCC 9 Ofast ............................. 2459.00 |==================== Clang 6 ................................. 830.00 |======= Clang 6 O2 .............................. 3287.00 |=========================== Clang 6 O3 .............................. 3297.00 |=========================== Clang 6 Ofast ........................... 3260.00 |=========================== Clang 6 O2 march=ivybridge .............. 3295.00 |=========================== Clang 7 ................................. 833.00 |======= Clang 7 O2 .............................. 3284.00 |=========================== Clang 7 O3 .............................. 3288.00 |=========================== Clang 7 Ofast ........................... 3275.00 |=========================== Clang 7 O2 march=ivybridge .............. 3294.00 |=========================== Clang 8 ................................. 815.00 |======= Clang 8 O2 .............................. 3284.00 |=========================== Clang 8 O3 .............................. 3262.00 |=========================== Clang 8 Ofast ........................... 3279.00 |=========================== Clang 8 O2 march=ivybridge .............. 3277.00 |=========================== Archlinux GCC 8.2 V2 .................... 703.00 |====== Archlinux GCC 8.2 O3 .................... 3203.00 |========================== Archlinux Clang 7 ....................... 860.00 |======= Archlinux Clang 7 O3 .................... 3396.00 |============================ Gentoo 5.1.1 NOPTI GCC 8.3 02 ivybridge . 2537.00 |===================== Gentoo 5.1.1 NOPTI GCC 8.3 03 ivybridge . 3373.00 |============================ Clear Linux GCC 9 O2 ivybridge .......... 2526.00 |===================== Clear Linux GCC 9 O3 ivybridge .......... 3289.00 |=========================== Clear Linux GCC 9 Ofast ivybridge ....... 3268.00 |=========================== Gentoo 5.6.4 NOPTI GCC 9.3 O2 ivybridge . 2493.46 |===================== SciMark 2.0 Computational Test: Jacobi Successive Over-Relaxation Mflops > Higher Is Better Xcode 10 ................................ 968.00 |================= Xcode 10 O2 ............................. 1340.00 |======================== Xcode 10 O3 ............................. 1384.00 |========================= Xcode 10 Ofast .......................... 1567.00 |============================ Xcode 10 O2 march=ivybridge ............. 1374.00 |========================= Xcode 10 GCC 6 .......................... 969.00 |================= GCC 6 O2 ................................ 976.00 |================= GCC 6 O3 ................................ 1386.00 |========================= GCC 6 Ofast ............................. 1564.00 |============================ GCC 6 O2 march=ivybridge ................ 974.00 |================= GCC 7 ................................... 955.00 |================= GCC 7 O2 ................................ 978.00 |================= GCC 7 O2 march=ivybridge ................ 978.00 |================= GCC 7 O3 ................................ 1185.00 |===================== GCC 7 Ofast ............................. 1554.00 |============================ GCC 8 ................................... 951.00 |================= GCC 8 O2 ................................ 978.00 |================= GCC O3 .................................. 1391.00 |========================= GCC 8 Ofast ............................. 1395.00 |========================= GCC 8 O2 march=ivybridge ................ 976.00 |================= GCC 9 ................................... 950.00 |================= GCC 9 O2 ................................ 974.00 |================= GCC 9 O3 ................................ 1379.00 |========================= GCC 9 Ofast ............................. 1396.00 |========================= Clang 6 ................................. 957.00 |================= Clang 6 O2 .............................. 1384.00 |========================= Clang 6 O3 .............................. 1369.00 |======================== Clang 6 Ofast ........................... 1557.00 |============================ Clang 6 O2 march=ivybridge .............. 1377.00 |========================= Clang 7 ................................. 965.00 |================= Clang 7 O2 .............................. 1381.00 |========================= Clang 7 O3 .............................. 1377.00 |========================= Clang 7 Ofast ........................... 1550.00 |============================ Clang 7 O2 march=ivybridge .............. 1380.00 |========================= Clang 8 ................................. 965.00 |================= Clang 8 O2 .............................. 1374.00 |========================= Clang 8 O3 .............................. 1386.00 |========================= Clang 8 Ofast ........................... 1554.00 |============================ Clang 8 O2 march=ivybridge .............. 1376.00 |========================= Archlinux GCC 8.2 V2 .................... 957.00 |================= Archlinux GCC 8.2 O3 .................... 1412.00 |========================= Archlinux Clang 7 ....................... 979.00 |================= Archlinux Clang 7 O3 .................... 1412.00 |========================= Gentoo 5.1.1 NOPTI GCC 8.3 02 ivybridge . 988.00 |================== Gentoo 5.1.1 NOPTI GCC 8.3 03 ivybridge . 1410.00 |========================= Clear Linux GCC 9 O2 ivybridge .......... 992.00 |================== Clear Linux GCC 9 O3 ivybridge .......... 1415.00 |========================= Clear Linux GCC 9 Ofast ivybridge ....... 1414.00 |========================= Gentoo 5.6.4 NOPTI GCC 9.3 O2 ivybridge . 988.30 |==================