Clang Test Intel Xeon E5-2687W v3 testing with a MSI X99S SLI PLUS (MS-7885) v1.0 and AMD FirePro V7900 2048MB on Ubuntu 15.10 via the Phoronix Test Suite. -O3 -march=native: Processor: Intel Xeon E5-2687W v3 @ 3.50GHz (20 Cores), Motherboard: MSI X99S SLI PLUS (MS-7885) v1.0, Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: PNY CS1211 120GB + 80GB INTEL SSDSCKGW08, Graphics: AMD FirePro V7900 2048MB, Audio: Realtek ALC892, Monitor: ASUS PB278, Network: Intel Connection OS: Ubuntu 15.10, Kernel: 4.2.0-18-generic (x86_64), Desktop: Unity, Display Server: X Server 1.17.2, Display Driver: radeon 7.5.99, OpenGL: 3.3 Mesa 11.0.2 Gallium 0.4, Compiler: Clang 3.8.0-svn251449-1~exp1, File-System: ext4, Screen Resolution: 2560x1440 -O3: Processor: Intel Xeon E5-2687W v3 @ 3.50GHz (20 Cores), Motherboard: MSI X99S SLI PLUS (MS-7885) v1.0, Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: PNY CS1211 120GB + 80GB INTEL SSDSCKGW08, Graphics: AMD FirePro V7900 2048MB, Audio: Realtek ALC892, Monitor: ASUS PB278, Network: Intel Connection OS: Ubuntu 15.10, Kernel: 4.2.0-18-generic (x86_64), Desktop: Unity, Display Server: X Server 1.17.2, Display Driver: radeon 7.5.99, OpenGL: 3.3 Mesa 11.0.2 Gallium 0.4, Compiler: Clang 3.8.0-svn251449-1~exp1, File-System: ext4, Screen Resolution: 2560x1440 -O2: Processor: Intel Xeon E5-2687W v3 @ 3.50GHz (20 Cores), Motherboard: MSI X99S SLI PLUS (MS-7885) v1.0, Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: PNY CS1211 120GB + 80GB INTEL SSDSCKGW08, Graphics: AMD FirePro V7900 2048MB, Audio: Realtek ALC892, Monitor: ASUS PB278, Network: Intel Connection OS: Ubuntu 15.10, Kernel: 4.2.0-18-generic (x86_64), Desktop: Unity, Display Server: X Server 1.17.2, Display Driver: radeon 7.5.99, OpenGL: 3.3 Mesa 11.0.2 Gallium 0.4, Compiler: Clang 3.8.0-svn251449-1~exp1, File-System: ext4, Screen Resolution: 2560x1440 -O1: Processor: Intel Xeon E5-2687W v3 @ 3.50GHz (20 Cores), Motherboard: MSI X99S SLI PLUS (MS-7885) v1.0, Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: PNY CS1211 120GB + 80GB INTEL SSDSCKGW08, Graphics: AMD FirePro V7900 2048MB, Audio: Realtek ALC892, Monitor: ASUS PB278, Network: Intel Connection OS: Ubuntu 15.10, Kernel: 4.2.0-18-generic (x86_64), Desktop: Unity, Display Server: X Server 1.17.2, Display Driver: radeon 7.5.99, OpenGL: 3.3 Mesa 11.0.2 Gallium 0.4, Compiler: Clang 3.8.0-svn251449-1~exp1, File-System: ext4, Screen Resolution: 2560x1440 -O0: Processor: Intel Xeon E5-2687W v3 @ 3.50GHz (20 Cores), Motherboard: MSI X99S SLI PLUS (MS-7885) v1.0, Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: PNY CS1211 120GB + 80GB INTEL SSDSCKGW08, Graphics: AMD FirePro V7900 2048MB, Audio: Realtek ALC892, Monitor: ASUS PB278, Network: Intel Connection OS: Ubuntu 15.10, Kernel: 4.2.0-18-generic (x86_64), Desktop: Unity, Display Server: X Server 1.17.2, Display Driver: radeon 7.5.99, OpenGL: 3.3 Mesa 11.0.2 Gallium 0.4, Compiler: Clang 3.8.0-svn251449-1~exp1, File-System: ext4, Screen Resolution: 2560x1440 Timed HMMer Search 2.3.2 Pfam Database Search Seconds < Lower Is Better -O3 -march=native . 14.24 |==================================================== -O3 ............... 14.33 |==================================================== -O2 ............... 13.96 |=================================================== -O1 ............... 14.02 |=================================================== -O0 ............... 12.24 |============================================ SciMark 2.0 Computational Test: Composite Mflops > Higher Is Better -O3 -march=native . 1870.80 |================================================== -O3 ............... 1783.48 |================================================ -O2 ............... 1785.12 |================================================ -O1 ............... 1769.86 |=============================================== -O0 ............... 1827.46 |================================================= SciMark 2.0 Computational Test: Monte Carlo Mflops > Higher Is Better -O3 -march=native . 234.16 |=================================================== -O3 ............... 229.85 |================================================== -O2 ............... 232.90 |=================================================== -O1 ............... 228.32 |================================================== -O0 ............... 233.84 |=================================================== SciMark 2.0 Computational Test: Fast Fourier Transform Mflops > Higher Is Better -O3 -march=native . 366.67 |=================================================== -O3 ............... 362.49 |================================================== -O2 ............... 363.23 |=================================================== -O1 ............... 357.32 |================================================== -O0 ............... 361.10 |================================================== SciMark 2.0 Computational Test: Sparse Matrix Multiply Mflops > Higher Is Better -O3 -march=native . 2561.08 |============================================== -O3 ............... 2751.88 |================================================= -O2 ............... 2755.19 |================================================= -O1 ............... 2727.43 |================================================= -O0 ............... 2809.54 |================================================== SciMark 2.0 Computational Test: Dense LU Matrix Factorization Mflops > Higher Is Better -O3 -march=native . 4697.04 |================================================== -O3 ............... 4071.42 |=========================================== -O2 ............... 4086.23 |=========================================== -O1 ............... 4060.58 |=========================================== -O0 ............... 4250.20 |============================================= SciMark 2.0 Computational Test: Jacobi Successive Over-Relaxation Mflops > Higher Is Better -O3 -march=native . 1495.05 |================================================== -O3 ............... 1501.77 |================================================== -O2 ............... 1488.04 |================================================== -O1 ............... 1475.65 |================================================= -O0 ............... 1482.61 |================================================= GraphicsMagick 1.3.19 Operation: Blur Iterations Per Minute > Higher Is Better -O3 -march=native . 93 |======================================================= -O3 ............... 93 |======================================================= -O2 ............... 72 |=========================================== -O1 ............... 72 |=========================================== -O0 ............... 43 |========================= GraphicsMagick 1.3.19 Operation: Sharpen Iterations Per Minute > Higher Is Better -O3 -march=native . 28 |=============================== -O3 ............... 47 |===================================================== -O2 ............... 49 |======================================================= -O1 ............... 48 |====================================================== -O0 ............... 20 |====================== GraphicsMagick 1.3.19 Operation: Resizing Iterations Per Minute > Higher Is Better -O3 -march=native . 109 |====================================================== -O3 ............... 103 |=================================================== -O2 ............... 102 |=================================================== -O1 ............... 103 |=================================================== -O0 ............... 43 |===================== GraphicsMagick 1.3.19 Operation: HWB Color Space Iterations Per Minute > Higher Is Better -O3 -march=native . 135 |====================================================== -O3 ............... 120 |================================================ -O2 ............... 121 |================================================ -O1 ............... 133 |===================================================== -O0 ............... 64 |========================== GraphicsMagick 1.3.19 Operation: Local Adaptive Thresholding Iterations Per Minute > Higher Is Better -O3 -march=native . 84 |======================================================= -O3 ............... 84 |======================================================= -O2 ............... 83 |====================================================== -O1 ............... 70 |============================================== -O0 ............... 18 |============ Himeno Benchmark 3.0 Poisson Pressure Solver MFLOPS > Higher Is Better -O3 -march=native . 1351.04 |================================================== -O3 ............... 1341.58 |================================================== -O2 ............... 1337.22 |================================================= -O1 ............... 1333.37 |================================================= -O0 ............... 282.46 |========== Timed Apache Compilation 2.4.7 Time To Compile Seconds < Lower Is Better -O3 -march=native . 29.25 |==================================================== -O3 ............... 29.08 |==================================================== -O2 ............... 28.35 |================================================== -O1 ............... 24.20 |=========================================== -O0 ............... 14.28 |========================= Timed ImageMagick Compilation 6.9.0 Time To Compile Seconds < Lower Is Better -O3 -march=native . 38.81 |==================================================== -O3 ............... 38.66 |==================================================== -O2 ............... 26.33 |=================================== -O1 ............... 23.43 |=============================== -O0 ............... 6.27 |======== Timed PHP Compilation 5.2.9 Time To Compile Seconds < Lower Is Better -O3 -march=native . 17.42 |==================================================== -O3 ............... 17.47 |==================================================== -O2 ............... 13.49 |======================================== -O1 ............... 10.63 |================================ -O0 ............... 5.83 |================= C-Ray 1.1 Total Time Seconds < Lower Is Better -O3 -march=native . 12.87 |======================== -O3 ............... 13.34 |========================= -O2 ............... 19.87 |===================================== -O1 ............... 16.82 |================================ -O0 ............... 27.70 |==================================================== FLAC Audio Encoding 1.3.1 WAV To FLAC Seconds < Lower Is Better -O3 -march=native . 7.20 |====== -O3 ............... 8.66 |======== -O2 ............... 8.75 |======== -O1 ............... 9.18 |======== -O0 ............... 59.52 |==================================================== LAME MP3 Encoding 3.99.3 WAV To MP3 Seconds < Lower Is Better -O3 -march=native . 14.32 |==================== -O3 ............... 14.35 |==================== -O2 ............... 14.53 |==================== -O1 ............... 15.47 |===================== -O0 ............... 37.69 |==================================================== FFmpeg 2.8.1 H.264 HD To NTSC DV Seconds < Lower Is Better -O3 -march=native . 26.66 |=================================================== -O3 ............... 26.79 |==================================================== -O2 ............... 26.79 |==================================================== -O1 ............... 26.94 |==================================================== -O0 ............... 26.70 |==================================================== PostgreSQL pgbench 9.4.3 Scaling: Buffer Test - Test: Normal Load - Mode: Read Write TPS > Higher Is Better -O3 -march=native . 5223.84 |================================================== -O3 ............... 5233.06 |================================================== -O2 ............... 5238.26 |================================================== -O1 ............... 5234.84 |================================================== -O0 ............... 5109.64 |================================================= PostgreSQL pgbench 9.4.3 Scaling: Buffer Test - Test: Heavy Contention - Mode: Read Write TPS > Higher Is Better -O3 -march=native . 5360.79 |================================================== -O3 ............... 5323.73 |================================================== -O2 ............... 5205.41 |================================================= -O1 ............... 5264.69 |================================================= -O0 ............... 5149.06 |================================================ Hierarchical INTegration 1.0 Test: FLOAT QUIPs > Higher Is Better -O3 -march=native . 269984226.20 |====================================== -O3 ............... 323397950.53 |============================================= -O2 ............... 322341477.39 |============================================= -O1 ............... 267043188.84 |===================================== -O0 ............... 111735225.41 |================