The article discusses tail call optimization in Java using byte code manipulation with ASM. Tail recursion refers to recursive calls where the last operation is the recursive call, allowing for faster execution. The author demonstrates how to optimize tail recursive methods by reusing the current frame instead of creating a new one. Using ASM library’s tree-based API, the code is transformed to replace recursive calls with a simple jump instruction. A custom class loader is provided for testing the optimized code. This optimization process streamlines execution by avoiding unnecessary frame creation, ensuring more efficient recursive functions in Java bytecode.
https://unlinkedlist.org/2023/03/19/tail-call-recursion-in-java-with-asm/