Intel Core i7 - Ubuntu 12.04 vs. 14.04 LTS Devel Testing by Michael Larabel of Phoronix with early comparison of Ubuntu 14.04 development build against Ubuntu 12.04.3 LTS on the same Intel Core i7 low-power system. Ubuntu 12.04.3 LTS: Processor: Intel Core i7-3517UE @ 2.10GHz (4 Cores), Motherboard: CompuLab Intense-PC, Chipset: Intel Ivy Bridge DRAM, Memory: 8192MB, Disk: 500GB Hitachi HCC54755, Graphics: Intel Ivy Bridge (1000MHz), Audio: Realtek ALC888, Monitor: DELL S2409W, Network: Intel 82579LM Gigabit Connection + Realtek RTL8188CE 802.11b/g/n OS: Ubuntu 12.04, Kernel: 3.8.0-29-generic (x86_64), Desktop: Unity 5.20.0, Display Server: X Server 1.13.3, Display Driver: intel 2.21.6, OpenGL: 3.0 Mesa 9.1.4, Compiler: GCC 4.6, File-System: ext4, Screen Resolution: 1920x1080 Ubuntu 14.04 20140125: Processor: Intel Core i7-3517UE @ 2.10GHz (4 Cores), Motherboard: CompuLab Intense-PC, Chipset: Intel 3rd Gen Core DRAM, Memory: 8192MB, Disk: 500GB Hitachi HCC54755, Graphics: Intel HD 4000 (1000MHz), Audio: Realtek ALC888, Network: Intel 82579LM Gigabit Connection + Realtek RTL8188CE 802.11b/g/n OS: Ubuntu 14.04, Kernel: 3.13.0-5-generic (x86_64), Desktop: Unity 7.1.2, Display Server: X Server 1.14.5, Display Driver: intel 2.99.907, OpenGL: 3.3 Mesa 10.0.1, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1920x1080 Stream 2013-01-17 Type: Copy MB/s > Higher Is Better Ubuntu 12.04.3 LTS .... 11853.69 |============================================= Ubuntu 14.04 20140125 . 11684.90 |============================================ Stream 2013-01-17 Type: Scale MB/s > Higher Is Better Ubuntu 12.04.3 LTS .... 11830.58 |============================================= Ubuntu 14.04 20140125 . 11669.79 |============================================ Stream 2013-01-17 Type: Triad MB/s > Higher Is Better Ubuntu 12.04.3 LTS .... 13227.29 |============================================= Ubuntu 14.04 20140125 . 12862.42 |============================================ Stream 2013-01-17 Type: Add MB/s > Higher Is Better Ubuntu 12.04.3 LTS .... 13199.64 |============================================= Ubuntu 14.04 20140125 . 12833.85 |============================================ HPC Challenge 1.4.3 Test / Class: G-HPL GFLOPS > Higher Is Better Ubuntu 12.04.3 LTS .... 7.73103 |===================== Ubuntu 14.04 20140125 . 16.45883 |============================================= HPC Challenge 1.4.3 Test / Class: G-Ffte GFLOPS > Higher Is Better Ubuntu 12.04.3 LTS .... 2.20394 |========================================== Ubuntu 14.04 20140125 . 2.40998 |============================================== HPC Challenge 1.4.3 Test / Class: EP-DGEMM GFLOPS > Higher Is Better Ubuntu 12.04.3 LTS .... 2.01932 |====================== Ubuntu 14.04 20140125 . 4.28586 |============================================== HPC Challenge 1.4.3 Test / Class: G-Ptrans GB/s > Higher Is Better Ubuntu 12.04.3 LTS .... 0.55574 |================================ Ubuntu 14.04 20140125 . 0.80379 |============================================== HPC Challenge 1.4.3 Test / Class: EP-STREAM Triad GB/s > Higher Is Better Ubuntu 12.04.3 LTS .... 3.49379 |============================================== Ubuntu 14.04 20140125 . 3.30943 |============================================ HPC Challenge 1.4.3 Test / Class: G-Random Access GUP/s > Higher Is Better Ubuntu 12.04.3 LTS .... 0.00622 |============================================== Ubuntu 14.04 20140125 . 0.00342 |========================= HPC Challenge 1.4.3 Test / Class: Random Ring Latency usecs < Lower Is Better Ubuntu 12.04.3 LTS .... 1.15236 |============================================== Ubuntu 14.04 20140125 . 0.94753 |====================================== HPC Challenge 1.4.3 Test / Class: Random Ring Bandwidth GB/s > Higher Is Better Ubuntu 12.04.3 LTS .... 1.42152 |========================================= Ubuntu 14.04 20140125 . 1.58198 |============================================== HPC Challenge 1.4.3 Test / Class: Max Ping Pong Bandwidth MB/s > Higher Is Better Ubuntu 12.04.3 LTS .... 6410.86 |=========================================== Ubuntu 14.04 20140125 . 6820.56 |============================================== CLOMP 3.3 Static OMP Speedup Speedup > Higher Is Better Ubuntu 12.04.3 LTS .... 2.98 |================================================= Ubuntu 14.04 20140125 . 2.67 |============================================ Dolfyn 0.527 Computational Fluid Dynamics Seconds < Lower Is Better Ubuntu 12.04.3 LTS .... 32.92 |================================================ Ubuntu 14.04 20140125 . 33.16 |================================================ PolyBench-C 3.2 Test: Covariance Computation Seconds < Lower Is Better Ubuntu 12.04.3 LTS . 7.14 |==================================================== PolyBench-C 3.2 Test: Correlation Computation Seconds < Lower Is Better Ubuntu 12.04.3 LTS . 7.03 |==================================================== PolyBench-C 3.2 Test: 3 Matrix Multiplications Seconds < Lower Is Better Ubuntu 12.04.3 LTS .... 30.63 |================================================ Ubuntu 14.04 20140125 . 21.77 |================================== FFTE 5.0 Test: N=64, 1D Complex FFT Routine MFLOPS > Higher Is Better Ubuntu 12.04.3 LTS .... 4041.88 |============================================ Ubuntu 14.04 20140125 . 4226.86 |============================================== SciMark 2.0 Computational Test: Composite Mflops > Higher Is Better Ubuntu 12.04.3 LTS .... 927.07 |============================================== Ubuntu 14.04 20140125 . 938.43 |=============================================== SciMark 2.0 Computational Test: Monte Carlo Mflops > Higher Is Better Ubuntu 12.04.3 LTS .... 398.05 |=============================================== Ubuntu 14.04 20140125 . 396.59 |=============================================== SciMark 2.0 Computational Test: Fast Fourier Transform Mflops > Higher Is Better Ubuntu 12.04.3 LTS .... 221.33 |=============================================== Ubuntu 14.04 20140125 . 216.30 |============================================== SciMark 2.0 Computational Test: Sparse Matrix Multiply Mflops > Higher Is Better Ubuntu 12.04.3 LTS .... 1563.42 |============================================= Ubuntu 14.04 20140125 . 1614.04 |============================================== SciMark 2.0 Computational Test: Dense LU Matrix Factorization Mflops > Higher Is Better Ubuntu 12.04.3 LTS .... 1604.02 |============================================= Ubuntu 14.04 20140125 . 1625.56 |============================================== SciMark 2.0 Computational Test: Jacobi Successive Over-Relaxation Mflops > Higher Is Better Ubuntu 12.04.3 LTS .... 839.39 |=============================================== Ubuntu 14.04 20140125 . 839.67 |=============================================== TSCP 1.81 AI Chess Performance Nodes Per Second > Higher Is Better Ubuntu 12.04.3 LTS .... 807594 |=============================================== Ubuntu 14.04 20140125 . 761612 |============================================ x264 2014-01-09 H.264 Video Encoding Frames Per Second > Higher Is Better Ubuntu 14.04 20140125 . 59.15 |================================================ Himeno Benchmark 3.0 Poisson Pressure Solver MFLOPS > Higher Is Better Ubuntu 12.04.3 LTS .... 1094.24 |========================================== Ubuntu 14.04 20140125 . 1189.95 |============================================== Timed Apache Compilation 2.4.7 Time To Compile Seconds < Lower Is Better Ubuntu 12.04.3 LTS .... 61.52 |========================================= Ubuntu 14.04 20140125 . 72.65 |================================================ C-Ray 1.1 Total Time Seconds < Lower Is Better Ubuntu 12.04.3 LTS .... 127.32 |=============================================== Ubuntu 14.04 20140125 . 79.30 |============================= Primesieve 4.2 1e12 Prime Number Generation Seconds < Lower Is Better Ubuntu 12.04.3 LTS .... 233.49 |=============================================== Ubuntu 14.04 20140125 . 232.48 |=============================================== Smallpt 1.0 Global Illumination Renderer; 100 Samples Seconds < Lower Is Better Ubuntu 12.04.3 LTS .... 230 |============================================== Ubuntu 14.04 20140125 . 249 |================================================== Gzip Compression 2GB File Compression Seconds < Lower Is Better Ubuntu 12.04.3 LTS .... 17.28 |================================================ Ubuntu 14.04 20140125 . 17.36 |================================================ Crafty 23.4 Elapsed Time Seconds < Lower Is Better Ubuntu 12.04.3 LTS .... 102.55 |=============================================== Ubuntu 14.04 20140125 . 101.14 |============================================== FLAC Audio Encoding 1.3.0 WAV To FLAC Seconds < Lower Is Better Ubuntu 12.04.3 LTS .... 7.33 |================================================= Ubuntu 14.04 20140125 . 6.97 |=============================================== LAME MP3 Encoding 3.99.3 WAV To MP3 Seconds < Lower Is Better Ubuntu 12.04.3 LTS .... 17.96 |============================================== Ubuntu 14.04 20140125 . 18.70 |================================================ FFmpeg 2.1.1 H.264 HD To NTSC DV Seconds < Lower Is Better Ubuntu 12.04.3 LTS .... 28.73 |=============================================== Ubuntu 14.04 20140125 . 29.17 |================================================ N-Queens 1.0 Elapsed Time Seconds < Lower Is Better Ubuntu 12.04.3 LTS .... 113.19 |=============================================== Ubuntu 14.04 20140125 . 113.60 |=============================================== OpenSSL 1.0.1f RSA 4096-bit Performance Signs Per Second > Higher Is Better Ubuntu 12.04.3 LTS .... 194.47 |=============================================== Ubuntu 14.04 20140125 . 193.93 |=============================================== Apache Benchmark 2.4.7 Static Web Page Serving Requests Per Second > Higher Is Better Ubuntu 12.04.3 LTS .... 16717.56 |============================================= Ubuntu 14.04 20140125 . 15249.08 |=========================================