• Compiler And Runtime Optimizations
• Interface values
• Zero-width types in interface values
• Word-sized value in an interface value
• string and []byte
• Map lookup by []byte
• range over []byte(s)
• conversion for string comparison
• Escape analysis and Inlining
• Escape analysis
• Function Inlining
• Idioms
• Optimized memclr
• Non-scannable objects