GCC 4.9 Intel Core i7 Haswell Core-AVX2 Intel Core i7-4770K Haswell testing of GCC 4.8.1 and an early GCC 4.9.0 compiler snapshot. Testing with CFLAGS/CXXFLAGS for the Intel Core i7 Haswell CPU of -O3 and -march=core-avx2. Benchmarking by Michael Larabel for a future article on phoronix.com GCC 4.8.1: Processor: Intel Core i7-4770K @ 3.50GHz (8 Cores), Motherboard: Intel DH87RL, Chipset: Intel 4th Gen Core DRAM, Memory: 15360MB, Disk: 240GB OCZ VERTEX3, Graphics: Intel Haswell Desktop, Audio: Intel Haswell HDMI, Monitor: VA2431, Network: Intel Connection I217-V OS: Ubuntu 13.10, Kernel: 3.10.0-999-generic (x86_64), Desktop: KDE 4.10.4, Display Server: X Server 1.13.3, Display Driver: intel 2.21.9, OpenGL: 3.0 Mesa 9.2.0-devel (git-bbd2d57), Compiler: GCC 4.8.1 + Clang 3.3 + LLVM 3.3, File-System: ext4, Screen Resolution: 1920x1080 GCC 4.9.0 20130623: Processor: Intel Core i7-4770K @ 3.50GHz (8 Cores), Motherboard: Intel DH87RL, Chipset: Intel 4th Gen Core DRAM, Memory: 15360MB, Disk: 240GB OCZ VERTEX3, Graphics: Intel Haswell Desktop, Audio: Intel Haswell HDMI, Monitor: VA2431, Network: Intel Connection I217-V OS: Ubuntu 13.10, Kernel: 3.10.0-999-generic (x86_64), Desktop: KDE 4.10.4, Display Server: X Server 1.13.3, Display Driver: intel 2.21.9, OpenGL: 3.0 Mesa 9.2.0-devel (git-bbd2d57), Compiler: GCC 4.9.0 20130623 + Clang 3.3 + LLVM 3.3, File-System: ext4, Screen Resolution: 1920x1080 Timed HMMer Search 2.3.2 Pfam Database Search Seconds < Lower Is Better GCC 4.8.1 .......... 10.47 |=================================================== GCC 4.9.0 20130623 . 10.40 |=================================================== Timed MAFFT Alignment 6.864 Multiple Sequence Alignment Seconds < Lower Is Better GCC 4.8.1 .......... 5.47 |==================================================== GCC 4.9.0 20130623 . 5.52 |==================================================== BLAKE2 20121223 Phoronix Test Suite v4.8.0m1 Cycles Per Byte < Lower Is Better GCC 4.8.1 .......... 5.71 |==================================================== GCC 4.9.0 20130623 . 5.29 |================================================ SciMark 2.0 Computational Test: Composite Mflops > Higher Is Better GCC 4.8.1 .......... 1009.99 |================================================= GCC 4.9.0 20130623 . 1005.56 |================================================= SciMark 2.0 Computational Test: Monte Carlo Mflops > Higher Is Better GCC 4.8.1 .......... 608.79 |================================================== GCC 4.9.0 20130623 . 608.78 |================================================== SciMark 2.0 Computational Test: Fast Fourier Transform Mflops > Higher Is Better GCC 4.8.1 .......... 242.66 |================================================= GCC 4.9.0 20130623 . 248.01 |================================================== SciMark 2.0 Computational Test: Sparse Matrix Multiply Mflops > Higher Is Better GCC 4.8.1 .......... 1204.00 |================================================= GCC 4.9.0 20130623 . 1148.95 |=============================================== SciMark 2.0 Computational Test: Dense LU Matrix Factorization Mflops > Higher Is Better GCC 4.8.1 .......... 1825.43 |================================================ GCC 4.9.0 20130623 . 1851.86 |================================================= SciMark 2.0 Computational Test: Jacobi Successive Over-Relaxation Mflops > Higher Is Better GCC 4.8.1 .......... 1169.09 |================================================= GCC 4.9.0 20130623 . 1170.18 |================================================= x264 2013-06-08 H.264 Video Encoding Frames Per Second > Higher Is Better GCC 4.8.1 .......... 156.26 |================================================== GCC 4.9.0 20130623 . 155.67 |================================================== GraphicsMagick 1.3.16 Operation: Blur Iterations Per Minute > Higher Is Better GCC 4.8.1 .......... 137 |===================================================== GCC 4.9.0 20130623 . 137 |===================================================== GraphicsMagick 1.3.16 Operation: Sharpen Iterations Per Minute > Higher Is Better GCC 4.8.1 .......... 134 |===================================================== GCC 4.9.0 20130623 . 135 |===================================================== GraphicsMagick 1.3.16 Operation: Resizing Iterations Per Minute > Higher Is Better GCC 4.8.1 .......... 175 |=================================================== GCC 4.9.0 20130623 . 181 |===================================================== GraphicsMagick 1.3.16 Operation: HWB Color Space Iterations Per Minute > Higher Is Better GCC 4.8.1 .......... 206 |==================================================== GCC 4.9.0 20130623 . 208 |===================================================== GraphicsMagick 1.3.16 Operation: Local Adaptive Thresholding Iterations Per Minute > Higher Is Better GCC 4.8.1 .......... 118 |==================================================== GCC 4.9.0 20130623 . 120 |===================================================== Himeno Benchmark 3.0 Poisson Pressure Solver MFLOPS > Higher Is Better GCC 4.8.1 .......... 1048.77 |================================ GCC 4.9.0 20130623 . 1588.37 |================================================= Timed ImageMagick Compilation 6.8.1-10 Time To Compile Seconds < Lower Is Better GCC 4.8.1 .......... 79.18 |=================================================== GCC 4.9.0 20130623 . 74.59 |================================================ Timed Linux Kernel Compilation 3.1 Time To Compile Seconds < Lower Is Better GCC 4.8.1 .......... 96.38 |================================================== GCC 4.9.0 20130623 . 97.73 |=================================================== C-Ray 1.1 Total Time Seconds < Lower Is Better GCC 4.8.1 .......... 17.06 |=================================================== GCC 4.9.0 20130623 . 17.03 |=================================================== Primesieve 4.2 1e12 Prime Number Generation Seconds < Lower Is Better GCC 4.8.1 .......... 79.17 |=================================================== GCC 4.9.0 20130623 . 79.20 |=================================================== Smallpt 1.0 Global Illumination Renderer; 100 Samples Seconds < Lower Is Better GCC 4.8.1 .......... 25 |====================================================== GCC 4.9.0 20130623 . 25 |====================================================== FLAC Audio Encoding 1.3.0 WAV To FLAC Seconds < Lower Is Better GCC 4.8.1 .......... 5.37 |==================================================== GCC 4.9.0 20130623 . 5.26 |=================================================== N-Queens 1.0 Elapsed Time Seconds < Lower Is Better GCC 4.8.1 .......... 36.69 |=================================================== GCC 4.9.0 20130623 . 36.72 |=================================================== Apache Benchmark 2.4.3 Static Web Page Serving Requests Per Second > Higher Is Better GCC 4.8.1 .......... 25415.42 |=============================================== GCC 4.9.0 20130623 . 25832.90 |================================================