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