**How to reduce build time without compromising safety or correctness?**
4 months ago
I'm struggling with a C++ project where clean builds take over 8 minutes despite using Ninja and ccache. The critical path seems dominated by template instantiations in our core library. I want to explore options beyond just adding more parallel jobs — is anyone actually finding value in LTO/WPO? What are the trade-offs between precompiled headers, explicit instantiation, and compiler caches for large codebases?
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