Dart uses both Just-in-Time (JIT) and Ahead-of-Time (AOT) compilation to optimize performance and enable fast development cycles in Flutter apps[1][2][3].
For release builds, Dart uses AOT compilation to generate native machine code that can run directly on the device's processor[1][2]. The AOT-compiled code runs inside an efficient Dart runtime that enforces the sound Dart type system and manages memory using fast object allocation and a generational garbage collector[5].
AOT compilation allows Flutter apps to achieve native performance, as the app code is compiled directly to native ARM or x86 machine code ahead of time[1][2]. This eliminates the need for an interpreter or JIT compiler at runtime, resulting in fast startup times and smooth scrolling[3].
