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
Compiler Notes: --build=aarch64-linux-gnu --disable-bootstrap --disable-browser-plugin --disable-libquadmath --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-languages=c,c++,fortran --enable-libstdcxx-time=yes --enable-multiarch --enable-nls --enable-plugin --enable-shared --enable-threads=posix --host=aarch64-linux-gnu --target=aarch64-linux-gnu --with-arch-directory=aarch64 --with-default-libstdcxx-abi=new
Processor Notes: Scaling Governor: meson_cpufreq performance
GCC 8
Compiler Notes: --build=aarch64-linux-gnu --build=aarch64-linux-gnu --disable-bootstrap --disable-bootstrap --disable-browser-plugin --disable-browser-plugin --disable-libquadmath --disable-libquadmath --disable-werror --disable-werror --enable-checking=release --enable-checking=release --enable-clocale=gnu --enable-clocale=gnu --enable-fix-cortex-a53-843419 --enable-fix-cortex-a53-843419 --enable-gnu-unique-object --enable-gnu-unique-object --enable-languages=c,c++,fortran --enable-languages=c,c++,fortran --enable-libstdcxx-time=yes --enable-libstdcxx-time=yes --enable-multiarch --enable-multiarch --enable-nls --enable-nls --enable-plugin --enable-plugin --enable-shared --enable-shared --enable-threads=posix --enable-threads=posix --host=aarch64-linux-gnu --host=aarch64-linux-gnu --target=aarch64-linux-gnu --target=aarch64-linux-gnu --with-arch-directory=aarch64 --with-arch-directory=aarch64 --with-default-libstdcxx-abi=new --with-default-libstdcxx-abi=new
Processor Notes: Scaling Governor: meson_cpufreq performance
GCC 8 A57
GCC 8 basic flags
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
This is a test of C-Ray, a simple raytracer designed to test the floating-point CPU performance. This test is multi-threaded (16 threads per core), will shoot 8 rays per pixel for anti-aliasing, and will generate a 1600 x 1200 image. Learn more via the OpenBenchmarking.org test page.
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
Compiler Notes: --build=aarch64-linux-gnu --disable-bootstrap --disable-browser-plugin --disable-libquadmath --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-languages=c,c++,fortran --enable-libstdcxx-time=yes --enable-multiarch --enable-nls --enable-plugin --enable-shared --enable-threads=posix --host=aarch64-linux-gnu --target=aarch64-linux-gnu --with-arch-directory=aarch64 --with-default-libstdcxx-abi=new
Processor Notes: Scaling Governor: meson_cpufreq performance
Testing initiated at 29 April 2017 19:21 by user odroid.
GCC 8
Compiler Notes: --build=aarch64-linux-gnu --build=aarch64-linux-gnu --disable-bootstrap --disable-bootstrap --disable-browser-plugin --disable-browser-plugin --disable-libquadmath --disable-libquadmath --disable-werror --disable-werror --enable-checking=release --enable-checking=release --enable-clocale=gnu --enable-clocale=gnu --enable-fix-cortex-a53-843419 --enable-fix-cortex-a53-843419 --enable-gnu-unique-object --enable-gnu-unique-object --enable-languages=c,c++,fortran --enable-languages=c,c++,fortran --enable-libstdcxx-time=yes --enable-libstdcxx-time=yes --enable-multiarch --enable-multiarch --enable-nls --enable-nls --enable-plugin --enable-plugin --enable-shared --enable-shared --enable-threads=posix --enable-threads=posix --host=aarch64-linux-gnu --host=aarch64-linux-gnu --target=aarch64-linux-gnu --target=aarch64-linux-gnu --with-arch-directory=aarch64 --with-arch-directory=aarch64 --with-default-libstdcxx-abi=new --with-default-libstdcxx-abi=new
Processor Notes: Scaling Governor: meson_cpufreq performance
Testing initiated at 29 April 2017 19:32 by user odroid.
GCC 8 A57
Compiler Notes: --build=aarch64-linux-gnu --build=aarch64-linux-gnu --disable-bootstrap --disable-bootstrap --disable-browser-plugin --disable-browser-plugin --disable-libquadmath --disable-libquadmath --disable-werror --disable-werror --enable-checking=release --enable-checking=release --enable-clocale=gnu --enable-clocale=gnu --enable-fix-cortex-a53-843419 --enable-fix-cortex-a53-843419 --enable-gnu-unique-object --enable-gnu-unique-object --enable-languages=c,c++,fortran --enable-languages=c,c++,fortran --enable-libstdcxx-time=yes --enable-libstdcxx-time=yes --enable-multiarch --enable-multiarch --enable-nls --enable-nls --enable-plugin --enable-plugin --enable-shared --enable-shared --enable-threads=posix --enable-threads=posix --host=aarch64-linux-gnu --host=aarch64-linux-gnu --target=aarch64-linux-gnu --target=aarch64-linux-gnu --with-arch-directory=aarch64 --with-arch-directory=aarch64 --with-default-libstdcxx-abi=new --with-default-libstdcxx-abi=new
Processor Notes: Scaling Governor: meson_cpufreq performance
Testing initiated at 29 April 2017 19:45 by user odroid.
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
Compiler Notes: --build=aarch64-linux-gnu --build=aarch64-linux-gnu --disable-bootstrap --disable-bootstrap --disable-browser-plugin --disable-browser-plugin --disable-libquadmath --disable-libquadmath --disable-werror --disable-werror --enable-checking=release --enable-checking=release --enable-clocale=gnu --enable-clocale=gnu --enable-fix-cortex-a53-843419 --enable-fix-cortex-a53-843419 --enable-gnu-unique-object --enable-gnu-unique-object --enable-languages=c,c++,fortran --enable-languages=c,c++,fortran --enable-libstdcxx-time=yes --enable-libstdcxx-time=yes --enable-multiarch --enable-multiarch --enable-nls --enable-nls --enable-plugin --enable-plugin --enable-shared --enable-shared --enable-threads=posix --enable-threads=posix --host=aarch64-linux-gnu --host=aarch64-linux-gnu --target=aarch64-linux-gnu --target=aarch64-linux-gnu --with-arch-directory=aarch64 --with-arch-directory=aarch64 --with-default-libstdcxx-abi=new --with-default-libstdcxx-abi=new
Processor Notes: Scaling Governor: meson_cpufreq performance
Testing initiated at 29 April 2017 21:33 by user odroid.