Benchmarking compiler optimization levels on GCC 4.7.2 from a Google Nexus 10 with Samsung Exynos 5 Dual SoC. It's an ARM Cortex-A15 dual-core 1.7GHz processor. Benchmarking by Michael Larabel for a future article on Phoronix.
Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1302284-FO-ARMGCC47227
ARM GCC 4.7.2 Cortex-A15 Compiler Optimizations Suite1.0.0SystemTest suite extracted from ARM GCC 4.7.2 Cortex-A15 Compiler Optimizations.pts/smallpt-1.0.1Global Illumination Renderer; 100 Samplespts/graphics-magick-1.5.1-lat 10x10-5%Operation: Local Adaptive Thresholdingpts/encode-opus-1.0.1WAV, Opus Encode, Opus Decodepts/nero2d-1.0.1Total Timepts/graphics-magick-1.5.1-sharpen 0x1.0Operation: Sharpenpts/c-ray-1.1.0Total Timepts/graphics-magick-1.5.1-resize 50%Operation: Resizingpts/build-php-1.3.1Time To Compilepts/himeno-1.1.0Poisson Pressure Solverpts/graphics-magick-1.5.1-colorspace HWBOperation: HWB Color Spacepts/graphics-magick-1.5.1-blur 0x1.0Operation: Blur