Samsung Chromebook Cortex A15 Compilers Exynos ARMv7 rev 4 testing on Ubuntu 13.10 via the Phoronix Test Suite. GCC 4.8.1: Processor: Exynos ARMv7 rev 4 @ 1.70GHz (2 Cores), Motherboard: SAMSUNG EXYNOS5 (Flattened Device Tree), Memory: 2048MB, Disk: 16GB SEM16G + 16GB SD16G OS: Ubuntu 13.10, Kernel: 3.4.0-5-chromebook (armv7l), Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1366x768 LLVM Clang 3.3: Processor: Exynos ARMv7 rev 4 @ 1.70GHz (2 Cores), Motherboard: SAMSUNG EXYNOS5 (Flattened Device Tree), Memory: 2048MB, Disk: 16GB SEM16G + 16GB SD16G OS: Ubuntu 13.10, Kernel: 3.4.0-5-chromebook (armv7l), Compiler: Clang 3.3-5ubuntu4, File-System: ext4, Screen Resolution: 1366x768 Timed HMMer Search 2.3.2 Pfam Database Search Seconds < Lower Is Better GCC 4.8.1 ...... 93.13 |======================================================= LLVM Clang 3.3 . 90.22 |===================================================== Timed MAFFT Alignment 6.864 Multiple Sequence Alignment Seconds < Lower Is Better GCC 4.8.1 ...... 38.04 |======================================== LLVM Clang 3.3 . 52.62 |======================================================= SciMark 2.0 Computational Test: Monte Carlo Mflops > Higher Is Better GCC 4.8.1 ...... 169.77 |=============================================== LLVM Clang 3.3 . 194.52 |====================================================== SciMark 2.0 Computational Test: Fast Fourier Transform Mflops > Higher Is Better GCC 4.8.1 ...... 48.51 |======================================================= LLVM Clang 3.3 . 41.22 |=============================================== SciMark 2.0 Computational Test: Sparse Matrix Multiply Mflops > Higher Is Better GCC 4.8.1 ...... 339.66 |====================================================== LLVM Clang 3.3 . 314.11 |================================================== SciMark 2.0 Computational Test: Dense LU Matrix Factorization Mflops > Higher Is Better GCC 4.8.1 ...... 450.84 |===================================================== LLVM Clang 3.3 . 461.05 |====================================================== SciMark 2.0 Computational Test: Jacobi Successive Over-Relaxation Mflops > Higher Is Better GCC 4.8.1 ...... 327.90 |======================================= LLVM Clang 3.3 . 453.87 |====================================================== x264 2013-06-08 H.264 Video Encoding Frames Per Second > Higher Is Better GCC 4.8.1 ...... 13.30 |======================================================= LLVM Clang 3.3 . 12.47 |==================================================== GraphicsMagick 1.3.16 Operation: Blur Iterations Per Minute > Higher Is Better GCC 4.8.1 ...... 32 |========================================================== LLVM Clang 3.3 . 19 |================================== GraphicsMagick 1.3.16 Operation: Sharpen Iterations Per Minute > Higher Is Better GCC 4.8.1 ...... 24 |========================================================== LLVM Clang 3.3 . 11 |=========================== GraphicsMagick 1.3.16 Operation: Resizing Iterations Per Minute > Higher Is Better GCC 4.8.1 ...... 40 |========================================================== LLVM Clang 3.3 . 22 |================================ GraphicsMagick 1.3.16 Operation: HWB Color Space Iterations Per Minute > Higher Is Better GCC 4.8.1 ...... 47 |========================================================== LLVM Clang 3.3 . 39 |================================================ GraphicsMagick 1.3.16 Operation: Local Adaptive Thresholding Iterations Per Minute > Higher Is Better GCC 4.8.1 ...... 23 |========================================================== LLVM Clang 3.3 . 13 |================================= Himeno Benchmark 3.0 Poisson Pressure Solver MFLOPS > Higher Is Better GCC 4.8.1 ...... 137.07 |====================================================== LLVM Clang 3.3 . 113.64 |============================================= C-Ray 1.1 Total Time Seconds < Lower Is Better GCC 4.8.1 ...... 230.76 |======================== LLVM Clang 3.3 . 525.83 |====================================================== Primesieve 4.2 1e12 Prime Number Generation Seconds < Lower Is Better GCC 4.8.1 . 829.60 |=========================================================== Smallpt 1.0 Global Illumination Renderer; 100 Samples Seconds < Lower Is Better GCC 4.8.1 ...... 1230 |============================ LLVM Clang 3.3 . 2433 |======================================================== FLAC Audio Encoding 1.3.0 WAV To FLAC Seconds < Lower Is Better GCC 4.8.1 ...... 19.24 |=============================================== LLVM Clang 3.3 . 22.74 |======================================================= LAME MP3 Encoding 3.99.3 WAV To MP3 Seconds < Lower Is Better GCC 4.8.1 ...... 49.04 |================================================= LLVM Clang 3.3 . 54.75 |======================================================= FFmpeg 2.0 H.264 HD To NTSC DV Seconds < Lower Is Better GCC 4.8.1 ...... 138.78 |===================================================== LLVM Clang 3.3 . 142.72 |====================================================== Apache Benchmark 2.4.3 Static Web Page Serving Requests Per Second > Higher Is Better GCC 4.8.1 ...... 1993.01 |===================================================== LLVM Clang 3.3 . 1965.72 |====================================================