GCC8 C-ray regression
C-ray Performance regression on Cortex-A53


GCC 7.1 baseline: 

	Processor: Unknown @ 1.54GHz (4 Cores), Motherboard: Amlogic, Memory: 2048MB, Disk: 16GB NCard + 32GB 00000, Graphics: OSD

	OS: Ubuntu 16.04, Kernel: 3.14.79-vegas95 (aarch64), Compiler: GCC 7.0.1 20170414 + Clang 3.8.0-2ubuntu4 + LLVM 3.8.0, File-System: ext4, Screen Resolution: 1280x1440

GCC 8: 

	Processor: Unknown @ 1.54GHz (4 Cores), Motherboard: Amlogic, Memory: 2048MB, Disk: 16GB NCard + 32GB 00000, Graphics: OSD

	OS: Ubuntu 16.04, Kernel: 3.14.79-vegas95 (aarch64), Compiler: GCC 8.0.0 20170429 + Clang 3.8.0-2ubuntu4 + LLVM 3.8.0, File-System: ext4, Screen Resolution: 1280x1440

GCC 8 A57: 

	Processor: Unknown @ 1.54GHz (4 Cores), Motherboard: Amlogic, Memory: 2048MB, Disk: 16GB NCard + 32GB 00000, Graphics: OSD

	OS: Ubuntu 16.04, Kernel: 3.14.79-vegas95 (aarch64), Compiler: GCC 8.0.0 20170429 + Clang 3.8.0-2ubuntu4 + LLVM 3.8.0, File-System: ext4, Screen Resolution: 1280x1440

GCC 8 basic flags: 

	Processor: Unknown @ 1.54GHz (4 Cores), Motherboard: Amlogic, Memory: 2048MB, Disk: 16GB NCard + 32GB 00000, Graphics: OSD

	OS: Ubuntu 16.04, Kernel: 3.14.79-vegas95 (aarch64), Compiler: GCC 8.0.0 20170429 + Clang 3.8.0-2ubuntu4 + LLVM 3.8.0, File-System: ext4, Screen Resolution: 1280x1440


C-Ray 1.1
Total Time
Seconds < Lower Is Better
GCC 7.1 baseline .. 145.75 |=============================================
GCC 8 ............. 157.90 |================================================
GCC 8 A57 ......... 158.45 |=================================================
GCC 8 basic flags . 166.43 |===================================================