IoT Full-Stack Technology

Jul 6, 2026 · Fundamentals

Mastering LTO in Keil5: Shrink Code Size and Boost Performance

This in‑depth guide explains how to enable and fine‑tune Link‑Time Optimization (LTO) in Keil MDK5 using ArmClang, showing real‑world examples, benchmark data and step‑by‑step instructions that dramatically reduce flash footprint and improve execution speed for embedded systems.