Optimizing built binaries

A compiler can be told to create binaries specifically for one CPU or family of CPUs, often resulting in a (minor, albeit always welcome) performance boost. On weaker systems, every additional bit of performance might be significant to the user.

Reference

• Gentoo GCC Optimization guide
• Android buildsystem file hinting which CFLAGS to use for arm targets
• Android buildsystem file hinting which CFLAGS to use for aarch64 targets
• GCC documentation: Optimize options
• GCC documentation: ARM options
• GCC documentation: aarch64 options