raspberry2
A Compiler comparison via the Phoronix Test Suite.


clang 3.0: 

	Processor: ARMv6-compatible rev 7 @ 0.85GHz (1 Core), Motherboard: BCM2708, Memory: 374MB, Disk: 16GB SDC

	OS: Debian 7.2, Kernel: 3.12.31 (armv6l), Compiler: Clang 3.0-6.2, File-System: F2FS, Screen Resolution: 656x416

gcc 4.4.7: 

	Processor: ARMv6-compatible rev 7 @ 0.85GHz (1 Core), Motherboard: BCM2708, Memory: 374MB, Disk: 16GB SDC

	OS: Debian 7.2, Kernel: 3.12.31 (armv6l), Compiler: GCC 4.4.7 + Clang 3.0-6.2, File-System: F2FS, Screen Resolution: 656x416

gcc 4.5.3: 

	Processor: ARMv6-compatible rev 7 @ 0.85GHz (1 Core), Motherboard: BCM2708, Memory: 374MB, Disk: 16GB SDC

	OS: Debian 7.2, Kernel: 3.12.31 (armv6l), Compiler: GCC 4.5.3 + Clang 3.0-6.2, File-System: F2FS, Screen Resolution: 656x416

gcc 4.6.3: 

	Processor: ARMv6-compatible rev 7 @ 0.85GHz (1 Core), Motherboard: BCM2708, Memory: 374MB, Disk: 16GB SDC

	OS: Debian 7.2, Kernel: 3.12.31 (armv6l), Compiler: GCC 4.6.3 + Clang 3.0-6.2, File-System: F2FS, Screen Resolution: 656x416

gcc 4.7.2: 

	Processor: ARMv6-compatible rev 7 @ 0.85GHz (1 Core), Motherboard: BCM2708, Memory: 374MB, Disk: 16GB SDC

	OS: Debian 7.2, Kernel: 3.12.31 (armv6l), Compiler: GCC 4.7.2 + Clang 3.0-6.2, File-System: F2FS, Screen Resolution: 656x416

clang 3.0 -O3: 

	Processor: ARMv6-compatible rev 7 @ 0.85GHz (1 Core), Motherboard: BCM2708, Memory: 374MB, Disk: 16GB SDC

	OS: Debian 7.2, Kernel: 3.12.31 (armv6l), Compiler: Clang 3.0-6.2, File-System: F2FS, Screen Resolution: 656x416

gcc 4.4.7 -O3: 

	Processor: ARMv6-compatible rev 7 @ 0.85GHz (1 Core), Motherboard: BCM2708, Memory: 374MB, Disk: 16GB SDC

	OS: Debian 7.2, Kernel: 3.12.31 (armv6l), Compiler: GCC 4.4.7 + Clang 3.0-6.2, File-System: F2FS, Screen Resolution: 656x416

gcc 4.5.3 -O3: 

	Processor: ARMv6-compatible rev 7 @ 0.85GHz (1 Core), Motherboard: BCM2708, Memory: 374MB, Disk: 16GB SDC

	OS: Debian 7.2, Kernel: 3.12.31 (armv6l), Compiler: GCC 4.5.3 + Clang 3.0-6.2, File-System: F2FS, Screen Resolution: 656x416

gcc 4.6.3 -O3: 

	Processor: ARMv6-compatible rev 7 @ 0.85GHz (1 Core), Motherboard: BCM2708, Memory: 374MB, Disk: 16GB SDC

	OS: Debian 7.2, Kernel: 3.12.31 (armv6l), Compiler: GCC 4.6.3 + Clang 3.0-6.2, File-System: F2FS, Screen Resolution: 656x416

gcc 4.7.2 -O3: 

	Processor: ARMv6-compatible rev 7 @ 0.85GHz (1 Core), Motherboard: BCM2708, Memory: 374MB, Disk: 16GB SDC

	OS: Debian 7.2, Kernel: 3.12.31 (armv6l), Compiler: GCC 4.7.2 + Clang 3.0-6.2, File-System: F2FS, Screen Resolution: 656x416

clang 3.0 -O3 v6j: 

	Processor: ARMv6-compatible rev 7 @ 0.85GHz (1 Core), Motherboard: BCM2708, Memory: 374MB, Disk: 16GB SDC

	OS: Debian 7.2, Kernel: 3.12.31 (armv6l), Compiler: Clang 3.0-6.2, File-System: F2FS, Screen Resolution: 656x416

gcc 4.4.7 -O3 v6j: 

	Processor: ARMv6-compatible rev 7 @ 0.85GHz (1 Core), Motherboard: BCM2708, Memory: 374MB, Disk: 16GB SDC

	OS: Debian 7.2, Kernel: 3.12.31 (armv6l), Compiler: GCC 4.4.7 + Clang 3.0-6.2, File-System: F2FS, Screen Resolution: 656x416


TSCP 1.81
AI Chess Performance
Nodes Per Second > Higher Is Better
clang 3.0 ......... 36628 |=====================
gcc 4.4.7 ......... 37735 |======================
gcc 4.5.3 ......... 37022 |======================
gcc 4.6.3 ......... 37091 |======================
gcc 4.7.2 ......... 37059 |======================
clang 3.0 -O3 ..... 79273 |===============================================
gcc 4.4.7 -O3 ..... 84926 |==================================================
gcc 4.5.3 -O3 ..... 84643 |==================================================
gcc 4.6.3 -O3 ..... 88609 |====================================================
gcc 4.7.2 -O3 ..... 87854 |====================================================
clang 3.0 -O3 v6j . 79333 |===============================================
gcc 4.4.7 -O3 v6j . 84978 |==================================================