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


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 |======================================================


Botan 1.10.3
Test: Tiger
Mbytes/s > Higher Is Better
Clang 3.3 ..... 361.16 |=======================================================
Clang 3.5 SVN . 360.78 |=======================================================


Botan 1.10.3
Test: KASUMI
Mbytes/s > Higher Is Better
Clang 3.3 ..... 79.39 |========================================================
Clang 3.5 SVN . 63.17 |=============================================


Botan 1.10.3
Test: AES-256
Mbytes/s > Higher Is Better
Clang 3.3 ..... 180.17 |=======================================================
Clang 3.5 SVN . 178.18 |======================================================


Botan 1.10.3
Test: Twofish
Mbytes/s > Higher Is Better
Clang 3.3 ..... 217.19 |=======================================================
Clang 3.5 SVN . 218.46 |=======================================================


Botan 1.10.3
Test: CAST-256
Mbytes/s > Higher Is Better
Clang 3.3 ..... 115.62 |=======================================================
Clang 3.5 SVN . 112.45 |=====================================================


Botan 1.10.3
Test: X9.19-MAC
Mbytes/s > Higher Is Better
Clang 3.3 ..... 75.17 |=======================================================
Clang 3.5 SVN . 75.86 |========================================================


SciMark 2.0
Computational Test: Composite
Mflops > Higher Is Better
Clang 3.3 ..... 830.17 |======================================================
Clang 3.5 SVN . 850.62 |=======================================================


SciMark 2.0
Computational Test: Monte Carlo
Mflops > Higher Is Better
Clang 3.3 ..... 493.11 |=======================================================
Clang 3.5 SVN . 474.59 |=====================================================


SciMark 2.0
Computational Test: Fast Fourier Transform
Mflops > Higher Is Better
Clang 3.3 ..... 74.16 |========================================================
Clang 3.5 SVN . 69.01 |====================================================


SciMark 2.0
Computational Test: Sparse Matrix Multiply
Mflops > Higher Is Better
Clang 3.3 ..... 1016.39 |======================================================
Clang 3.5 SVN . 1015.77 |======================================================


SciMark 2.0
Computational Test: Dense LU Matrix Factorization
Mflops > Higher Is Better
Clang 3.3 ..... 1198.51 |=================================================
Clang 3.5 SVN . 1325.06 |======================================================


SciMark 2.0
Computational Test: Jacobi Successive Over-Relaxation
Mflops > Higher Is Better
Clang 3.3 ..... 1368.69 |======================================================
Clang 3.5 SVN . 1368.69 |======================================================


Himeno Benchmark 3.0
Poisson Pressure Solver
MFLOPS > Higher Is Better
Clang 3.3 ..... 770.32 |====================================================
Clang 3.5 SVN . 811.80 |=======================================================


C-Ray 1.1
Total Time
Seconds < Lower Is Better
Clang 3.3 ..... 63.66 |========================================================
Clang 3.5 SVN . 62.34 |=======================================================


Smallpt 1.0
Global Illumination Renderer; 100 Samples
Seconds < Lower Is Better
Clang 3.3 ..... 211 |========================================================
Clang 3.5 SVN . 220 |==========================================================


FLAC Audio Encoding 1.3.0
WAV To FLAC
Seconds < Lower Is Better
Clang 3.3 ..... 7.09 |=========================================================
Clang 3.5 SVN . 6.31 |===================================================


LAME MP3 Encoding 3.99.3
WAV To MP3
Seconds < Lower Is Better
Clang 3.3 ..... 16.36 |=================================================
Clang 3.5 SVN . 18.76 |========================================================