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 gcc 4.5.3 -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 4.5.3 + Clang 3.0-6.2, File-System: F2FS, Screen Resolution: 656x416 gcc 4.6.3 -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 4.6.3 + Clang 3.0-6.2, File-System: F2FS, Screen Resolution: 656x416 gcc 4.7.2 -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 4.7.2 + Clang 3.0-6.2, File-System: F2FS, Screen Resolution: 656x416 clang 3.0 -O3 v6j arm1176jzf-s: 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 arm1176jzf-s: 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 v6j arm1176jzf-s: 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 |================ 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 |===================================== gcc 4.5.3 -O3 v6j .............. 84589 |===================================== gcc 4.6.3 -O3 v6j .............. 88612 |======================================= gcc 4.7.2 -O3 v6j .............. 87835 |======================================= clang 3.0 -O3 v6j arm1176jzf-s . 79278 |=================================== gcc 4.4.7 -O3 v6j arm1176jzf-s . 84079 |===================================== gcc 4.5.3 -O3 v6j arm1176jzf-s . 83689 |=====================================