LLVM Clang 3.4 AMD APU Benchmarks Benchmarks by Michael Larabel for a future article on Phoronix.com. Quick look at LLVM Clang 3.3 vs. Clang 3.4 compiler performance. More tests forthcoming. Clang 3.3: Processor: AMD A10-6800K APU @ 4.70GHz (4 Cores), Motherboard: MSI FM2-A85XA-G65 (MS-7793) v1.0, Chipset: AMD Family 15h, Memory: 8192MB, Disk: 64GB OCZ AGILITY, Graphics: Sapphire AMD Radeon HD 6950 2048MB, Audio: Realtek ALC892, Monitor: SyncMaster, Network: Realtek RTL8111/8168/8411 OS: Ubuntu 13.10, Kernel: 3.13.0-999-generic (x86_64), Desktop: Unity 7.1.2, Display Server: X Server 1.14.3, Display Driver: radeon 7.2.99, OpenGL: 3.1 Mesa 10.1.0-devel (git-5b331f6 saucy-oibaf-ppa) Gallium 0.4, Compiler: Clang 3.3-5ubuntu4, File-System: ext4, Screen Resolution: 2560x1600 Clang 3.5 SVN: Processor: AMD A10-6800K APU @ 4.70GHz (4 Cores), Motherboard: MSI FM2-A85XA-G65 (MS-7793) v1.0, Chipset: AMD Family 15h, Memory: 8192MB, Disk: 64GB OCZ AGILITY, Graphics: Sapphire AMD Radeon HD 6950 2048MB, Audio: Realtek ALC892, Monitor: SyncMaster, Network: Realtek RTL8111/8168/8411 OS: Ubuntu 13.10, Kernel: 3.13.0-999-generic (x86_64), Desktop: Unity 7.1.2, Display Server: X Server 1.14.3, Display Driver: radeon 7.2.99, OpenGL: 3.1 Mesa 10.1.0-devel (git-5b331f6 saucy-oibaf-ppa) Gallium 0.4, Compiler: Clang 3.5-1~exp1, File-System: ext4, Screen Resolution: 2560x1600 i7 4700HQ: Processor: Intel Core i7-4700HQ @ 2.40GHz (8 Cores), Motherboard: ASUS G750JM v1.0, Chipset: Intel Xeon E3-1200 v3/4th, Memory: 31744MB, Disk: 1000GB Seagate ST1000LM014-1EJ1 + 1000GB TOSHIBA MQ01ABD1 + 1500GB HGST HTS541515A9, Graphics: ASUS NVIDIA GeForce GTX 860M 2048MB (540/2505MHz), Audio: Intel Haswell HDMI, Network: Qualcomm Atheros QCA8171 Gigabit + Broadcom BCM4352 802.11ac Wireless OS: Ubuntu 14.04, Kernel: 3.13.0-39-generic (x86_64), Desktop: Unity 7.2.3, Display Server: X Server 1.15.1, OpenGL: 4.3.0, Compiler: GCC 4.8 + Clang 3.4-1ubuntu3 + LLVM 3.4 + CUDA 6.5, File-System: ext4, Screen Resolution: 1920x1080 BLAKE2 20121223 Phoronix Test Suite v4.8.5 Cycles Per Byte < Lower Is Better Clang 3.3 ..... 9.66 |========================================================= Clang 3.5 SVN . 9.11 |====================================================== i7 4700HQ ..... 4.16 |========================= Botan 1.10.3 Test: Tiger Mbytes/s > Higher Is Better Clang 3.3 ..... 361.16 |======================================================= Clang 3.5 SVN . 360.78 |======================================================= i7 4700HQ ..... 361.13 |======================================================= Botan 1.10.3 Test: KASUMI Mbytes/s > Higher Is Better Clang 3.3 ..... 79.39 |======================================================== Clang 3.5 SVN . 63.17 |============================================= i7 4700HQ ..... 65.29 |============================================== Botan 1.10.3 Test: AES-256 Mbytes/s > Higher Is Better Clang 3.3 ..... 180.17 |======================================================= Clang 3.5 SVN . 178.18 |====================================================== i7 4700HQ ..... 133.77 |========================================= Botan 1.10.3 Test: Twofish Mbytes/s > Higher Is Better Clang 3.3 ..... 217.19 |======================================================= Clang 3.5 SVN . 218.46 |======================================================= i7 4700HQ ..... 178.01 |============================================= Botan 1.10.3 Test: CAST-256 Mbytes/s > Higher Is Better Clang 3.3 ..... 115.62 |======================================================= Clang 3.5 SVN . 112.45 |===================================================== i7 4700HQ ..... 81.16 |======================================= Botan 1.10.3 Test: X9.19-MAC Mbytes/s > Higher Is Better Clang 3.3 ..... 75.17 |======================================================= Clang 3.5 SVN . 75.86 |======================================================== i7 4700HQ ..... 74.95 |======================================================= SciMark 2.0 Computational Test: Composite Mflops > Higher Is Better Clang 3.3 ..... 830.17 |===================================== Clang 3.5 SVN . 850.62 |====================================== i7 4700HQ ..... 1204.07 |====================================================== SciMark 2.0 Computational Test: Monte Carlo Mflops > Higher Is Better Clang 3.3 ..... 493.11 |==================================================== Clang 3.5 SVN . 474.59 |================================================== i7 4700HQ ..... 525.11 |======================================================= SciMark 2.0 Computational Test: Fast Fourier Transform Mflops > Higher Is Better Clang 3.3 ..... 74.16 |================ Clang 3.5 SVN . 69.01 |=============== i7 4700HQ ..... 255.92 |======================================================= SciMark 2.0 Computational Test: Sparse Matrix Multiply Mflops > Higher Is Better Clang 3.3 ..... 1016.39 |============================= Clang 3.5 SVN . 1015.77 |============================= i7 4700HQ ..... 1902.11 |====================================================== SciMark 2.0 Computational Test: Dense LU Matrix Factorization Mflops > Higher Is Better Clang 3.3 ..... 1198.51 |============================ Clang 3.5 SVN . 1325.06 |============================== i7 4700HQ ..... 2347.95 |====================================================== SciMark 2.0 Computational Test: Jacobi Successive Over-Relaxation Mflops > Higher Is Better Clang 3.3 ..... 1368.69 |====================================================== Clang 3.5 SVN . 1368.69 |====================================================== i7 4700HQ ..... 996.27 |======================================= Himeno Benchmark 3.0 Poisson Pressure Solver MFLOPS > Higher Is Better Clang 3.3 ..... 770.32 |============================ Clang 3.5 SVN . 811.80 |============================== i7 4700HQ ..... 1480.80 |====================================================== C-Ray 1.1 Total Time Seconds < Lower Is Better Clang 3.3 ..... 63.66 |======================================================== Clang 3.5 SVN . 62.34 |======================================================= i7 4700HQ ..... 27.36 |======================== Smallpt 1.0 Global Illumination Renderer; 100 Samples Seconds < Lower Is Better Clang 3.3 ..... 211 |======================================================== Clang 3.5 SVN . 220 |========================================================== i7 4700HQ ..... 126 |================================= FLAC Audio Encoding 1.3.0 WAV To FLAC Seconds < Lower Is Better Clang 3.3 ..... 7.09 |========================================================= Clang 3.5 SVN . 6.31 |=================================================== i7 4700HQ ..... 5.42 |============================================ LAME MP3 Encoding 3.99.3 WAV To MP3 Seconds < Lower Is Better Clang 3.3 ..... 16.36 |================================================= Clang 3.5 SVN . 18.76 |======================================================== i7 4700HQ ..... 14.60 |============================================