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 Laptop with PSandy Bridge Pentium: Processor: Intel Pentium B960 @ 2.20GHz (2 Cores), Motherboard: Acer EA50_HC_HR, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 4096MB, Disk: 500GB Seagate ST9500325AS, Graphics: Intel 2nd Generation Core Family IGP, Audio: Realtek ALC269VB, Network: Broadcom NetLink BCM57785 Gigabit PCIe + Qualcomm Atheros AR9485 Wireless OS: Ubuntu 12.10, Kernel: 3.5.0-37-lowlatency (x86_64), Desktop: Unity 6.12.0, Display Server: X Server 1.13.0, Display Driver: intel 2.20.9, OpenGL: 3.0 Mesa 9.0.3, Compiler: GCC 4.7, File-System: ext4, Screen Resolution: 1366x768 Smallpt 1.0 Global Illumination Renderer; 100 Samples Seconds < Lower Is Better GCC 4.8.1 ......................... 1230 |=================== LLVM Clang 3.3 .................... 2433 |===================================== Laptop with PSandy Bridge Pentium . 466 |======= 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 |======== Laptop with PSandy Bridge Pentium . 8269.06 |================================== C-Ray 1.1 Total Time Seconds < Lower Is Better GCC 4.8.1 ......................... 230.76 |=============== LLVM Clang 3.3 .................... 525.83 |=================================== Laptop with PSandy Bridge Pentium . 127.50 |======== SciMark 2.0 Computational Test: Fast Fourier Transform Mflops > Higher Is Better GCC 4.8.1 ......................... 48.51 |========== LLVM Clang 3.3 .................... 41.22 |========= Laptop with PSandy Bridge Pentium . 165.18 |=================================== GraphicsMagick 1.3.16 Operation: Local Adaptive Thresholding Iterations Per Minute > Higher Is Better GCC 4.8.1 ......................... 23 |===================== LLVM Clang 3.3 .................... 13 |============ Laptop with PSandy Bridge Pentium . 42 |======================================= SciMark 2.0 Computational Test: Sparse Matrix Multiply Mflops > Higher Is Better GCC 4.8.1 ......................... 339.66 |============ LLVM Clang 3.3 .................... 314.11 |=========== Laptop with PSandy Bridge Pentium . 1001.47 |================================== 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 |============= Laptop with PSandy Bridge Pentium . 33.61 |==================================== GraphicsMagick 1.3.16 Operation: Resizing Iterations Per Minute > Higher Is Better GCC 4.8.1 ......................... 40 |============================ LLVM Clang 3.3 .................... 22 |================ Laptop with PSandy Bridge Pentium . 55 |======================================= Primesieve 4.2 1e12 Prime Number Generation Seconds < Lower Is Better GCC 4.8.1 ......................... 829.60 |=================================== Laptop with PSandy Bridge Pentium . 337.66 |============== Timed MAFFT Alignment 6.864 Multiple Sequence Alignment Seconds < Lower Is Better GCC 4.8.1 ......................... 38.04 |========================== LLVM Clang 3.3 .................... 52.62 |==================================== Laptop with PSandy Bridge Pentium . 21.61 |=============== 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 |==================================== Laptop with PSandy Bridge Pentium . 24.18 |================ GraphicsMagick 1.3.16 Operation: Sharpen Iterations Per Minute > Higher Is Better GCC 4.8.1 ......................... 24 |======================================= LLVM Clang 3.3 .................... 11 |================== Laptop with PSandy Bridge Pentium . 18 |============================= 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 |================ Laptop with PSandy Bridge Pentium . 982.21 |=================================== 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 |=================================== Laptop with PSandy Bridge Pentium . 43.17 |================= GraphicsMagick 1.3.16 Operation: Blur Iterations Per Minute > Higher Is Better GCC 4.8.1 ......................... 32 |=============================== LLVM Clang 3.3 .................... 19 |=================== Laptop with PSandy Bridge Pentium . 40 |======================================= GraphicsMagick 1.3.16 Operation: HWB Color Space Iterations Per Minute > Higher Is Better GCC 4.8.1 ......................... 47 |======================= LLVM Clang 3.3 .................... 39 |=================== Laptop with PSandy Bridge Pentium . 80 |======================================= 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 |======================== Laptop with PSandy Bridge Pentium . 653.01 |=================================== SciMark 2.0 Computational Test: Monte Carlo Mflops > Higher Is Better GCC 4.8.1 ......................... 169.77 |========================= LLVM Clang 3.3 .................... 194.52 |============================= Laptop with PSandy Bridge Pentium . 234.70 |=================================== 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 |======================================================= 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 |====================================================== Himeno Benchmark 3.0 Poisson Pressure Solver MFLOPS > Higher Is Better GCC 4.8.1 ......................... 137.07 |===== LLVM Clang 3.3 .................... 113.64 |==== Laptop with PSandy Bridge Pentium . 913.31 |===================================