Navigation : PostgreSQL 15.0 Documentation > Chapter 32. Just-in-Time Compilation (JIT) Chapter 32. Just-in-Time Compilation (JIT) Chapter 32. Just-in-Time Compilation ( JIT ) Prev Up Part III. Server Administration Home Next Table of Contents 32.1. What Is JIT compilation? 32.1.1. JIT Accelerated Operations 32.1.2. Inlining 32.1.3. Optimization 32.2. When to JIT ? 32.3. Configuration 32.4. Extensibility 32.4.1. Inlining Support for Extensions 32.4.2. Pluggable JIT Providers This chapter explains what just-in-time compilation is, and how it can be configured in PostgreSQL .