AMD Open64 Compiler On Bulldozer FX
AMD FX-8150 Bulldozer benchmarking with GCC and LLVM/Clang and the latest AMD Open64 4.2.5.2-1 compiler from August 2012. Benchmarking by Michael Larabel for a future article on Phoronix.com.


GCC 4.6.3: 

	Processor: AMD FX-8150 Eight-Core @ 3.60GHz (8 Cores), Motherboard: ASUS Crosshair V Formula, Chipset: AMD ATI RD890 bridge, Memory: 4096MB, Disk: 60GB OCZ VERTEX2, Graphics: NVIDIA GeForce 9600 GSO 512MB (399/399MHz), Audio: Realtek ALC889, Monitor: DELL P2210H, Network: Intel 82583V Gigabit Connection

	OS: Ubuntu 12.10, Kernel: 3.5.0-14-generic (x86_64), Desktop: Unity 6.4.0, Display Server: X Server 1.13.0, Display Driver: nouveau 1.0.1, OpenGL: 3.0 Mesa 8.1-devel Gallium 0.4, Compiler: GCC 4.6.3, File-System: ext4, Screen Resolution: 1920x1080

GCC 4.7.1: 

	Processor: AMD FX-8150 Eight-Core @ 3.60GHz (8 Cores), Motherboard: ASUS Crosshair V Formula, Chipset: AMD ATI RD890 bridge, Memory: 4096MB, Disk: 60GB OCZ VERTEX2, Graphics: NVIDIA GeForce 9600 GSO 512MB (399/399MHz), Audio: Realtek ALC889, Monitor: DELL P2210H, Network: Intel 82583V Gigabit Connection

	OS: Ubuntu 12.10, Kernel: 3.5.0-14-generic (x86_64), Desktop: Unity 6.4.0, Display Server: X Server 1.13.0, Display Driver: nouveau 1.0.1, OpenGL: 3.0 Mesa 8.1-devel Gallium 0.4, Compiler: GCC 4.7.1, File-System: ext4, Screen Resolution: 1920x1080

LLVM-Clang 3.0: 

	Processor: AMD FX-8150 Eight-Core @ 3.60GHz (8 Cores), Motherboard: ASUS Crosshair V Formula, Chipset: AMD ATI RD890 bridge, Memory: 4096MB, Disk: 60GB OCZ VERTEX2, Graphics: NVIDIA GeForce 9600 GSO 512MB (399/399MHz), Audio: Realtek ALC889, Monitor: DELL P2210H, Network: Intel 82583V Gigabit Connection

	OS: Ubuntu 12.10, Kernel: 3.5.0-14-generic (x86_64), Desktop: Unity 6.4.0, Display Server: X Server 1.13.0, Display Driver: nouveau 1.0.1, OpenGL: 3.0 Mesa 8.1-devel Gallium 0.4, Compiler: Clang 3.0-6ubuntu3, File-System: ext4, Screen Resolution: 1920x1080

AMD Open64 4.5.2-1: 

	Processor: AMD FX-8150 Eight-Core @ 3.60GHz (8 Cores), Motherboard: ASUS Crosshair V Formula, Chipset: AMD ATI RD890 bridge, Memory: 4096MB, Disk: 60GB OCZ VERTEX2, Graphics: NVIDIA GeForce 9600 GSO 512MB (399/399MHz), Audio: Realtek ALC889, Monitor: DELL P2210H, Network: Intel 82583V Gigabit Connection

	OS: Ubuntu 12.10, Kernel: 3.5.0-14-generic (x86_64), Desktop: Unity 6.4.0, Display Server: X Server 1.13.0, Display Driver: nouveau 1.0.1, OpenGL: 3.0 Mesa 8.1-devel Gallium 0.4, Compiler: Open64 4.5.2, File-System: ext4, Screen Resolution: 1920x1080


SciMark 2.0
Computational Test: Monte Carlo
Mflops > Higher Is Better
GCC 4.6.3 .......... 375.27 |==================================================
GCC 4.7.1 .......... 280.72 |=====================================
LLVM-Clang 3.0 ..... 372.72 |==================================================
AMD Open64 4.5.2-1 . 307.90 |=========================================


SciMark 2.0
Computational Test: Fast Fourier Transform
Mflops > Higher Is Better
GCC 4.6.3 .......... 77.09 |================================================
GCC 4.7.1 .......... 74.73 |==============================================
LLVM-Clang 3.0 ..... 81.97 |===================================================
AMD Open64 4.5.2-1 . 74.09 |==============================================


SciMark 2.0
Computational Test: Sparse Matrix Multiply
Mflops > Higher Is Better
GCC 4.6.3 .......... 986.92 |==================================================
GCC 4.7.1 .......... 964.97 |=================================================
LLVM-Clang 3.0 ..... 969.15 |=================================================
AMD Open64 4.5.2-1 . 965.43 |=================================================


SciMark 2.0
Computational Test: Dense LU Matrix Factorization
Mflops > Higher Is Better
GCC 4.6.3 .......... 1763.21 |===========================================
GCC 4.7.1 .......... 1746.75 |===========================================
LLVM-Clang 3.0 ..... 1754.40 |===========================================
AMD Open64 4.5.2-1 . 1993.97 |=================================================


SciMark 2.0
Computational Test: Jacobi Successive Over-Relaxation
Mflops > Higher Is Better
GCC 4.6.3 .......... 758.02  |==============================
GCC 4.7.1 .......... 743.24  |==============================
LLVM-Clang 3.0 ..... 1228.94 |=================================================
AMD Open64 4.5.2-1 . 920.09  |=====================================


Timed MAFFT Alignment 6.864
Multiple Sequence Alignment
Seconds < Lower Is Better
GCC 4.6.3 .......... 7.06 |===============================================
GCC 4.7.1 .......... 6.87 |==============================================
LLVM-Clang 3.0 ..... 7.74 |====================================================
AMD Open64 4.5.2-1 . 6.91 |==============================================


7-Zip Compression 9.20.1
Compress Speed Test
MIPS > Higher Is Better
GCC 4.6.3 .......... 17497 |=================================================
GCC 4.7.1 .......... 18053 |===================================================
LLVM-Clang 3.0 ..... 17968 |===================================================
AMD Open64 4.5.2-1 . 18102 |===================================================


John The Ripper 1.7.9
Test: Blowfish
Real C/S > Higher Is Better
GCC 4.6.3 .......... 6346 |====================================================
GCC 4.7.1 .......... 6327 |====================================================
LLVM-Clang 3.0 ..... 788  |======
AMD Open64 4.5.2-1 . 4982 |=========================================