GCC 5.1/6.0 vs. LLVM Clang 3.6 3.7 Compilers

Benchmarks by Michael Larabel.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1506080-PTS-CLANG31559
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Date
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GCC 4.9.2
June 06 2015
 
GCC 5.1.0
June 05 2015
 
GCC 6.0.0 20150531
June 05 2015
 
LLVM Clang 3.6.1
June 07 2015
 
LLVM Clang 3.7 SVN
June 08 2015
 
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GCC 5.1/6.0 vs. LLVM Clang 3.6 3.7 Compilers Benchmarks by Michael Larabel. GCC 6.0.0 20150531: Processor: Intel Xeon E5-2687W v3 @ 3.50GHz (20 Cores), Motherboard: MSI X99S SLI PLUS (MS-7885) v1.0, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 80GB INTEL SSDSCKGW08, Graphics: NVIDIA GeForce GTX Titan 6144MB, Audio: Intel C610/X99, Monitor: ASUS PB278, Network: Intel Connection OS: Ubuntu 15.04, Kernel: 3.19.0-18-generic (x86_64), Desktop: Unity 7.3.2, Display Server: X Server 1.17.1, Display Driver: nouveau 1.0.11, OpenGL: 3.3 Mesa 10.5.2 Gallium 0.4, Compiler: GCC 6.0.0 20150531 + Clang 3.6.0-2ubuntu1, File-System: ext4, Screen Resolution: 1920x1080 GCC 5.1.0: Processor: Intel Xeon E5-2687W v3 @ 3.50GHz (20 Cores), Motherboard: MSI X99S SLI PLUS (MS-7885) v1.0, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 80GB INTEL SSDSCKGW08, Graphics: NVIDIA GeForce GTX Titan 6144MB, Audio: Intel C610/X99, Monitor: ASUS PB278, Network: Intel Connection OS: Ubuntu 15.04, Kernel: 3.19.0-18-generic (x86_64), Desktop: Unity 7.3.2, Display Server: X Server 1.17.1, Display Driver: nouveau 1.0.11, OpenGL: 3.3 Mesa 10.5.2 Gallium 0.4, Compiler: GCC 5.1.0 + Clang 3.6.0-2ubuntu1, File-System: ext4, Screen Resolution: 1920x1080 GCC 4.9.2: Processor: Intel Xeon E5-2687W v3 @ 3.50GHz (20 Cores), Motherboard: MSI X99S SLI PLUS (MS-7885) v1.0, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 80GB INTEL SSDSCKGW08, Graphics: NVIDIA GeForce GTX Titan 6144MB, Audio: Intel C610/X99, Monitor: ASUS PB278, Network: Intel Connection OS: Ubuntu 15.04, Kernel: 3.19.0-18-generic (x86_64), Desktop: Unity 7.3.2, Display Server: X Server 1.17.1, Display Driver: nouveau 1.0.11, OpenGL: 3.3 Mesa 10.5.2 Gallium 0.4, Compiler: GCC 4.9.2 + Clang 3.6.0-2ubuntu1, File-System: ext4, Screen Resolution: 1920x1080 LLVM Clang 3.6.1: Processor: Intel Xeon E5-2687W v3 @ 3.50GHz (20 Cores), Motherboard: MSI X99S SLI PLUS (MS-7885) v1.0, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 80GB INTEL SSDSCKGW08, Graphics: NVIDIA GeForce GTX Titan 6144MB, Audio: Realtek ALC892, Monitor: ASUS PB278, Network: Intel Connection OS: Ubuntu 15.04, Kernel: 4.1.0-999-generic (x86_64) 20150605, Desktop: Unity 7.3.2, Display Server: X Server 1.17.1, Display Driver: nouveau 1.0.11, OpenGL: 3.3 Mesa 10.5.2 Gallium 0.4, Compiler: Clang 3.6.1 + LLVM 3.6.1, File-System: ext4, Screen Resolution: 1920x1080 LLVM Clang 3.7 SVN: Processor: Intel Xeon E5-2687W v3 @ 3.50GHz (20 Cores), Motherboard: MSI X99S SLI PLUS (MS-7885) v1.0, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 80GB INTEL SSDSCKGW08, Graphics: NVIDIA GeForce GTX Titan 6144MB, Audio: Realtek ALC892, Monitor: ASUS PB278, Network: Intel Connection OS: Ubuntu 15.04, Kernel: 4.1.0-999-generic (x86_64) 20150605, Desktop: Unity 7.3.2, Display Server: X Server 1.17.1, Display Driver: nouveau 1.0.11, OpenGL: 3.3 Mesa 10.5.2 Gallium 0.4, Compiler: Clang 3.7.0 (SVN 239271) + LLVM 3.7.0svn, File-System: ext4, Screen Resolution: 1920x1080 Hierarchical INTegration 1.0 Test: FLOAT QUIPs > Higher Is Better GCC 6.0.0 20150531 . 328847938.70 |============================================ GCC 5.1.0 .......... 328080385.28 |============================================ GCC 4.9.2 .......... 223643988.39 |============================== LLVM Clang 3.6.1 ... 265836187.98 |==================================== LLVM Clang 3.7 SVN . 272508954.58 |==================================== Stress-NG 0.04.05 Test: System V Message Passing Bogo Ops/s > Higher Is Better GCC 6.0.0 20150531 . 6666736.74 |============================================ GCC 5.1.0 .......... 6660436.76 |============================================ GCC 4.9.2 .......... 6955739.08 |============================================== LLVM Clang 3.6.1 ... 6529314.85 |=========================================== LLVM Clang 3.7 SVN . 6473704.54 |=========================================== Stress-NG 0.04.05 Test: Glibc Qsort Data Sorting Bogo Ops/s > Higher Is Better GCC 6.0.0 20150531 . 129.20 |================================================== GCC 5.1.0 .......... 129.33 |================================================== GCC 4.9.2 .......... 129.14 |================================================== LLVM Clang 3.6.1 ... 129.00 |================================================== LLVM Clang 3.7 SVN . 129.08 |================================================== Stress-NG 0.04.05 Test: Glibc C String Functions Bogo Ops/s > Higher Is Better GCC 6.0.0 20150531 . 411681.58 |=============================================== GCC 5.1.0 .......... 411589.27 |=============================================== GCC 4.9.2 .......... 410458.03 |=============================================== LLVM Clang 3.6.1 ... 402145.85 |============================================== LLVM Clang 3.7 SVN . 402151.41 |============================================== Stress-NG 0.04.05 Test: Context Switching Bogo Ops/s > Higher Is Better GCC 6.0.0 20150531 . 12198070.81 |============================================ GCC 5.1.0 .......... 11965399.08 |=========================================== GCC 4.9.2 .......... 12380538.00 |============================================= LLVM Clang 3.6.1 ... 12298596.21 |============================================= LLVM Clang 3.7 SVN . 11985778.70 |============================================ Stress-NG 0.04.05 Test: Socket Activity Bogo Ops/s > Higher Is Better GCC 6.0.0 20150531 . 8787.16 |================================================= GCC 5.1.0 .......... 8797.92 |================================================= GCC 4.9.2 .......... 8839.16 |================================================= LLVM Clang 3.6.1 ... 8852.36 |================================================= LLVM Clang 3.7 SVN . 8818.96 |================================================= Stress-NG 0.04.05 Test: Memory Copying Bogo Ops/s > Higher Is Better GCC 6.0.0 20150531 . 3064.87 |============================== GCC 5.1.0 .......... 3052.17 |============================== GCC 4.9.2 .......... 3043.52 |============================== LLVM Clang 3.6.1 ... 4987.82 |================================================= LLVM Clang 3.7 SVN . 4989.84 |================================================= Stress-NG 0.04.05 Test: Vector Math Bogo Ops/s > Higher Is Better GCC 6.0.0 20150531 . 345994.38 |=============================================== GCC 5.1.0 .......... 347366.01 |=============================================== GCC 4.9.2 .......... 313611.62 |========================================== Stress-NG 0.04.05 Test: Matrix Math Bogo Ops/s > Higher Is Better GCC 6.0.0 20150531 . 42223.49 |================================================ GCC 5.1.0 .......... 42262.10 |================================================ GCC 4.9.2 .......... 42436.37 |================================================ LLVM Clang 3.6.1 ... 40458.08 |============================================== LLVM Clang 3.7 SVN . 41340.80 |=============================================== Stress-NG 0.04.05 Test: Semaphores Bogo Ops/s > Higher Is Better GCC 6.0.0 20150531 . 908318.22 |=============================================== GCC 5.1.0 .......... 863571.04 |============================================= GCC 4.9.2 .......... 890472.78 |============================================== LLVM Clang 3.6.1 ... 886436.08 |============================================== LLVM Clang 3.7 SVN . 885352.05 |============================================== Stress-NG 0.04.05 Test: CPU Stress Bogo Ops/s > Higher Is Better GCC 6.0.0 20150531 . 3456.47 |================================================= GCC 5.1.0 .......... 3476.00 |================================================= GCC 4.9.2 .......... 3380.56 |================================================ LLVM Clang 3.6.1 ... 2969.06 |========================================== LLVM Clang 3.7 SVN . 3110.77 |============================================ Stress-NG 0.04.05 Test: Tsearch Bogo Ops/s > Higher Is Better GCC 6.0.0 20150531 . 173.75 |================================================= GCC 5.1.0 .......... 172.89 |================================================= GCC 4.9.2 .......... 172.68 |================================================= LLVM Clang 3.6.1 ... 176.22 |================================================== LLVM Clang 3.7 SVN . 174.73 |================================================== Stress-NG 0.04.05 Test: Lsearch Bogo Ops/s > Higher Is Better GCC 6.0.0 20150531 . 117.19 |================================================== GCC 5.1.0 .......... 116.83 |================================================== GCC 4.9.2 .......... 117.14 |================================================== LLVM Clang 3.6.1 ... 116.78 |================================================== LLVM Clang 3.7 SVN . 116.82 |================================================== Stress-NG 0.04.05 Test: Hsearch Bogo Ops/s > Higher Is Better GCC 6.0.0 20150531 . 46687.01 |================================================ GCC 5.1.0 .......... 46805.10 |================================================ GCC 4.9.2 .......... 46775.45 |================================================ LLVM Clang 3.6.1 ... 46798.10 |================================================ LLVM Clang 3.7 SVN . 46847.08 |================================================ Stress-NG 0.04.05 Test: Forking Bogo Ops/s > Higher Is Better GCC 6.0.0 20150531 . 53092.53 |================================================ GCC 5.1.0 .......... 52882.59 |=============================================== GCC 4.9.2 .......... 53641.75 |================================================ LLVM Clang 3.6.1 ... 51529.88 |============================================== LLVM Clang 3.7 SVN . 49882.31 |============================================= Stress-NG 0.04.05 Test: Bsearch Bogo Ops/s > Higher Is Better GCC 6.0.0 20150531 . 6249.72 |================================================= GCC 5.1.0 .......... 6058.49 |================================================ GCC 4.9.2 .......... 5372.43 |========================================== LLVM Clang 3.6.1 ... 5898.54 |============================================== LLVM Clang 3.7 SVN . 4409.41 |=================================== Stress-NG 0.04.05 Test: Crypto Bogo Ops/s > Higher Is Better GCC 6.0.0 20150531 . 1748.33 |================================================= GCC 5.1.0 .......... 1746.81 |================================================= GCC 4.9.2 .......... 1749.21 |================================================= LLVM Clang 3.6.1 ... 1744.79 |================================================= LLVM Clang 3.7 SVN . 1745.97 |================================================= Redis 3.0.1 Test: SET Requests Per Second > Higher Is Better GCC 6.0.0 20150531 . 570357.13 |============================================== GCC 5.1.0 .......... 573425.40 |============================================== GCC 4.9.2 .......... 562631.15 |============================================= LLVM Clang 3.6.1 ... 586190.85 |=============================================== LLVM Clang 3.7 SVN . 580835.19 |=============================================== Redis 3.0.1 Test: GET Requests Per Second > Higher Is Better GCC 6.0.0 20150531 . 640830.88 |=============================================== GCC 5.1.0 .......... 631530.00 |============================================== GCC 4.9.2 .......... 634223.81 |============================================== LLVM Clang 3.6.1 ... 643193.29 |=============================================== LLVM Clang 3.7 SVN . 641189.63 |=============================================== OpenSSL 1.0.1g RSA 4096-bit Performance Signs Per Second > Higher Is Better GCC 6.0.0 20150531 . 1302.27 |================================================= GCC 5.1.0 .......... 1310.63 |================================================= GCC 4.9.2 .......... 1313.10 |================================================= LLVM Clang 3.6.1 ... 1307.23 |================================================= LLVM Clang 3.7 SVN . 1308.27 |================================================= N-Queens 1.0 Elapsed Time Seconds < Lower Is Better GCC 6.0.0 20150531 . 18.36 |==== GCC 5.1.0 .......... 18.36 |==== GCC 4.9.2 .......... 18.07 |==== LLVM Clang 3.6.1 ... 218.11 |============================================ LLVM Clang 3.7 SVN . 247.36 |================================================== FFmpeg 2.6.2 H.264 HD To NTSC DV Seconds < Lower Is Better GCC 6.0.0 20150531 . 24.38 |=================================================== GCC 5.1.0 .......... 24.33 |================================================== GCC 4.9.2 .......... 24.62 |=================================================== LLVM Clang 3.6.1 ... 24.43 |=================================================== LLVM Clang 3.7 SVN . 24.08 |================================================== LAME MP3 Encoding 3.99.3 WAV To MP3 Seconds < Lower Is Better GCC 6.0.0 20150531 . 12.65 |============================================ GCC 5.1.0 .......... 12.71 |============================================ GCC 4.9.2 .......... 12.39 |=========================================== LLVM Clang 3.6.1 ... 12.53 |=========================================== LLVM Clang 3.7 SVN . 14.70 |=================================================== FLAC Audio Encoding 1.3.1 WAV To FLAC Seconds < Lower Is Better GCC 6.0.0 20150531 . 7.08 |========================================== GCC 5.1.0 .......... 7.10 |========================================== GCC 4.9.2 .......... 7.10 |========================================== LLVM Clang 3.6.1 ... 8.74 |==================================================== LLVM Clang 3.7 SVN . 8.57 |=================================================== Crafty 23.4 Elapsed Time Seconds < Lower Is Better GCC 6.0.0 20150531 . 73.40 |================================================== GCC 5.1.0 .......... 75.16 |=================================================== GCC 4.9.2 .......... 74.25 |================================================== LLVM Clang 3.7 SVN . 72.23 |================================================= Bullet Physics Engine 2.81 Test: Convex Trimesh Seconds < Lower Is Better GCC 6.0.0 20150531 . 1.50 |================================================ GCC 5.1.0 .......... 1.52 |================================================= GCC 4.9.2 .......... 1.62 |==================================================== LLVM Clang 3.6.1 ... 1.49 |================================================ LLVM Clang 3.7 SVN . 1.50 |================================================ Bullet Physics Engine 2.81 Test: Prim Trimesh Seconds < Lower Is Better GCC 6.0.0 20150531 . 1.32 |==================================================== GCC 5.1.0 .......... 1.26 |================================================== GCC 4.9.2 .......... 1.27 |================================================== LLVM Clang 3.6.1 ... 1.24 |================================================= LLVM Clang 3.7 SVN . 1.25 |================================================= Bullet Physics Engine 2.81 Test: 136 Ragdolls Seconds < Lower Is Better GCC 6.0.0 20150531 . 3.81 |=================================================== GCC 5.1.0 .......... 3.83 |=================================================== GCC 4.9.2 .......... 3.90 |==================================================== LLVM Clang 3.6.1 ... 3.84 |=================================================== LLVM Clang 3.7 SVN . 3.84 |=================================================== Bullet Physics Engine 2.81 Test: 1000 Convex Seconds < Lower Is Better GCC 6.0.0 20150531 . 5.85 |=================================================== GCC 5.1.0 .......... 5.85 |=================================================== GCC 4.9.2 .......... 5.86 |==================================================== LLVM Clang 3.6.1 ... 5.91 |==================================================== LLVM Clang 3.7 SVN . 5.87 |==================================================== Bullet Physics Engine 2.81 Test: 1000 Stack Seconds < Lower Is Better GCC 6.0.0 20150531 . 6.41 |==================================================== GCC 5.1.0 .......... 6.29 |=================================================== GCC 4.9.2 .......... 6.32 |=================================================== LLVM Clang 3.6.1 ... 6.30 |=================================================== LLVM Clang 3.7 SVN . 6.34 |=================================================== Bullet Physics Engine 2.81 Test: 3000 Fall Seconds < Lower Is Better GCC 6.0.0 20150531 . 5.97 |=================================================== GCC 5.1.0 .......... 5.90 |=================================================== GCC 4.9.2 .......... 6.04 |==================================================== LLVM Clang 3.6.1 ... 5.59 |================================================ LLVM Clang 3.7 SVN . 5.96 |=================================================== Bullet Physics Engine 2.81 Test: Raytests Seconds < Lower Is Better GCC 6.0.0 20150531 . 3.37 |==================================================== GCC 5.1.0 .......... 3.37 |==================================================== GCC 4.9.2 .......... 3.40 |==================================================== LLVM Clang 3.6.1 ... 3.37 |==================================================== LLVM Clang 3.7 SVN . 3.37 |==================================================== Smallpt 1.0 Global Illumination Renderer; 100 Samples Seconds < Lower Is Better GCC 6.0.0 20150531 . 35 |===== GCC 5.1.0 .......... 35 |===== GCC 4.9.2 .......... 36 |===== LLVM Clang 3.6.1 ... 378 |===================================================== LLVM Clang 3.7 SVN . 377 |===================================================== C-Ray 1.1 Total Time Seconds < Lower Is Better GCC 6.0.0 20150531 . 10.76 |========================================= GCC 5.1.0 .......... 10.77 |========================================= GCC 4.9.2 .......... 10.74 |========================================= LLVM Clang 3.6.1 ... 13.27 |=================================================== LLVM Clang 3.7 SVN . 13.31 |=================================================== Timed PHP Compilation 5.2.9 Time To Compile Seconds < Lower Is Better GCC 6.0.0 20150531 . 17.90 |======= GCC 5.1.0 .......... 17.36 |====== GCC 4.9.2 .......... 18.39 |======= LLVM Clang 3.6.1 ... 125.42 |============================================== LLVM Clang 3.7 SVN . 137.60 |================================================== Timed Apache Compilation 2.4.7 Time To Compile Seconds < Lower Is Better GCC 6.0.0 20150531 . 34.48 |====== GCC 5.1.0 .......... 34.23 |====== GCC 4.9.2 .......... 33.22 |====== LLVM Clang 3.6.1 ... 247.00 |============================================== LLVM Clang 3.7 SVN . 268.71 |================================================== 7-Zip Compression 9.20.1 Compress Speed Test MIPS > Higher Is Better GCC 6.0.0 20150531 . 44833 |================================================= GCC 5.1.0 .......... 45887 |================================================== GCC 4.9.2 .......... 44926 |================================================= LLVM Clang 3.6.1 ... 45479 |================================================= LLVM Clang 3.7 SVN . 46865 |=================================================== Himeno Benchmark 3.0 Poisson Pressure Solver MFLOPS > Higher Is Better GCC 6.0.0 20150531 . 1877.33 |================================================= GCC 5.1.0 .......... 1872.94 |================================================= GCC 4.9.2 .......... 1878.69 |================================================= LLVM Clang 3.6.1 ... 1586.64 |========================================= LLVM Clang 3.7 SVN . 1585.02 |========================================= GraphicsMagick 1.3.19 Operation: Local Adaptive Thresholding Iterations Per Minute > Higher Is Better GCC 6.0.0 20150531 . 87 |====================================================== GCC 5.1.0 .......... 87 |====================================================== GCC 4.9.2 .......... 87 |====================================================== LLVM Clang 3.6.1 ... 87 |====================================================== LLVM Clang 3.7 SVN . 85 |===================================================== GraphicsMagick 1.3.19 Operation: HWB Color Space Iterations Per Minute > Higher Is Better GCC 6.0.0 20150531 . 182 |==================================================== GCC 5.1.0 .......... 182 |==================================================== GCC 4.9.2 .......... 185 |===================================================== LLVM Clang 3.6.1 ... 141 |======================================== LLVM Clang 3.7 SVN . 123 |=================================== GraphicsMagick 1.3.19 Operation: Resizing Iterations Per Minute > Higher Is Better GCC 6.0.0 20150531 . 180 |===================================================== GCC 5.1.0 .......... 179 |===================================================== GCC 4.9.2 .......... 178 |==================================================== LLVM Clang 3.6.1 ... 109 |================================ LLVM Clang 3.7 SVN . 106 |=============================== GraphicsMagick 1.3.19 Operation: Sharpen Iterations Per Minute > Higher Is Better GCC 6.0.0 20150531 . 137 |===================================================== GCC 5.1.0 .......... 137 |===================================================== GCC 4.9.2 .......... 136 |===================================================== LLVM Clang 3.6.1 ... 50 |=================== LLVM Clang 3.7 SVN . 50 |=================== GraphicsMagick 1.3.19 Operation: Blur Iterations Per Minute > Higher Is Better GCC 6.0.0 20150531 . 137 |===================================================== GCC 5.1.0 .......... 138 |===================================================== GCC 4.9.2 .......... 136 |==================================================== LLVM Clang 3.6.1 ... 75 |============================= LLVM Clang 3.7 SVN . 73 |============================ John The Ripper 1.8.0 Test: Blowfish Real C/S > Higher Is Better GCC 6.0.0 20150531 . 14136 |=================================================== GCC 5.1.0 .......... 14102 |=================================================== GCC 4.9.2 .......... 13844 |================================================== LLVM Clang 3.6.1 ... 981 |==== LLVM Clang 3.7 SVN . 1006 |==== GMPbench 0.2 Total Time GMPbench Score > Higher Is Better GCC 6.0.0 20150531 . 3687.20 |================================================= GCC 5.1.0 .......... 3680.90 |================================================= GCC 4.9.2 .......... 3687.80 |================================================= Timed MAFFT Alignment 6.864 Multiple Sequence Alignment Seconds < Lower Is Better GCC 6.0.0 20150531 . 4.22 |============================================ GCC 5.1.0 .......... 4.43 |============================================== GCC 4.9.2 .......... 4.29 |============================================= LLVM Clang 3.6.1 ... 4.91 |=================================================== LLVM Clang 3.7 SVN . 4.97 |==================================================== Timed HMMer Search 2.3.2 Pfam Database Search Seconds < Lower Is Better GCC 6.0.0 20150531 . 15.40 |=================================================== GCC 5.1.0 .......... 14.73 |================================================= GCC 4.9.2 .......... 15.18 |================================================== LLVM Clang 3.6.1 ... 15.26 |=================================================== LLVM Clang 3.7 SVN . 14.96 |================================================== FFTW 3.3.4 Build: Float + SSE - Size: 2D FFT Size 2048 Mflops > Higher Is Better GCC 6.0.0 20150531 . 13421 |=================================================== GCC 5.1.0 .......... 13341 |=================================================== GCC 4.9.2 .......... 13321 |=================================================== LLVM Clang 3.6.1 ... 12474 |=============================================== LLVM Clang 3.7 SVN . 12721 |================================================ LAMMPS Molecular Dynamics Simulator 1.0 Test: Rhodopsin Protein Loop Time < Lower Is Better GCC 6.0.0 20150531 . 38.00 |=================================================== GCC 5.1.0 .......... 37.41 |================================================== GCC 4.9.2 .......... 37.47 |================================================== LLVM Clang 3.6.1 ... 32.53 |============================================ LLVM Clang 3.7 SVN . 32.09 |=========================================== PolyBench-C 3.2 Test: 3 Matrix Multiplications Seconds < Lower Is Better GCC 6.0.0 20150531 . 8.17 |==================================================== GCC 5.1.0 .......... 8.12 |=================================================== GCC 4.9.2 .......... 8.09 |=================================================== LLVM Clang 3.6.1 ... 8.24 |==================================================== LLVM Clang 3.7 SVN . 8.16 |=================================================== CLOMP 3.3 Static OMP Speedup Speedup > Higher Is Better GCC 6.0.0 20150531 . 6.24 |==================================================== GCC 5.1.0 .......... 6.28 |==================================================== GCC 4.9.2 .......... 6.24 |==================================================== Rodinia 2.4 Test: OpenMP Streamcluster Seconds < Lower Is Better GCC 6.0.0 20150531 . 20.03 |======== GCC 5.1.0 .......... 19.55 |======== GCC 4.9.2 .......... 19.93 |======== LLVM Clang 3.7 SVN . 118.20 |================================================== Rodinia 2.4 Test: OpenMP LavaMD Seconds < Lower Is Better GCC 6.0.0 20150531 . 97.36 |==== GCC 5.1.0 .......... 97.21 |==== GCC 4.9.2 .......... 97.45 |==== LLVM Clang 3.7 SVN . 1306.10 |================================================= Parboil 2.5 Test: OpenMP MRI Gridding Seconds < Lower Is Better GCC 6.0.0 20150531 . 107.73 |================================================== LLVM Clang 3.6.1 ... 4.72 |== LLVM Clang 3.7 SVN . 4.75 |== Parboil 2.5 Test: OpenMP Stencil Seconds < Lower Is Better GCC 6.0.0 20150531 . 12.20 |======= LLVM Clang 3.6.1 ... 86.42 |================================================== LLVM Clang 3.7 SVN . 87.53 |=================================================== Parboil 2.5 Test: OpenMP CUTCP Seconds < Lower Is Better GCC 6.0.0 20150531 . 7.16 |======== LLVM Clang 3.6.1 ... 47.09 |=================================================== LLVM Clang 3.7 SVN . 47.20 |=================================================== Parboil 2.5 Test: OpenMP LBM Seconds < Lower Is Better GCC 6.0.0 20150531 . 97.56 |======== LLVM Clang 3.6.1 ... 612.67 |================================================== LLVM Clang 3.7 SVN . 613.17 |==================================================