LLVM-Clang vs. GCC On Calxeda ARMv7 Quad-Core
Benchmarking LLVM-Clang and GCC from Ubuntu 12.10 Quantal repository for performance comparison of a single-node 1.1GHz Calxeda Highbank node.


Clang 3.0: 

	Processor: ARMv7 rev 0 (4 Cores), Motherboard: Highbank, Memory: 4096MB, Disk: 256GB SAMSUNG MZ7PC256

	OS: Ubuntu 12.10, Kernel: 3.5.0-1000-highbank (armv7l), Compiler: Clang 3.0-6ubuntu3, File-System: ext4

GCC 4.7.2: 

	Processor: ARMv7 rev 0 (4 Cores), Motherboard: Highbank, Memory: 4096MB, Disk: 256GB SAMSUNG MZ7PC256

	OS: Ubuntu 12.10, Kernel: 3.5.0-1000-highbank (armv7l), Compiler: GCC 4.7, File-System: ext4


FFTE 5.0
Test: N=64, 1D Complex FFT Routine
MFLOPS > Higher Is Better
Clang 3.0 . 499.91 |==========================================================
GCC 4.7.2 . 506.93 |===========================================================


7-Zip Compression 9.20.1
Compress Speed Test
MIPS > Higher Is Better
Clang 3.0 . 1689 |=============================================================
GCC 4.7.2 . 1665 |============================================================


C-Ray 1.1
Total Time
Seconds < Lower Is Better
Clang 3.0 . 574.35 |===========================================================
GCC 4.7.2 . 390.20 |========================================


LAME MP3 Encoding 3.99.3
WAV To MP3
Seconds < Lower Is Better
Clang 3.0 . 119.26 |==========================================================
GCC 4.7.2 . 121.79 |===========================================================