Rust Compiler: A Query-Based Incremental Compilation Architecture

2024-12-13

To address the efficiency issues of traditional pipeline-based compilation, the Rust compiler employs a query-based incremental compilation architecture. This architecture breaks down the compilation process into a series of interdependent queries, utilizing a compilation database to cache intermediate results. This allows recompilation only of necessary code sections. Similar to a build system's dependency management, this significantly improves compilation speed, especially beneficial in scenarios like IDE integration. While introducing complexity, this approach offers a more stable and efficient incremental compilation experience for Rust compared to gradual improvements to traditional methods, now default for development builds.

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