Tech article
I made a build visualizer to understand Bun's compile times
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Hacker News | Sep 12, 2026 | lalitmaganti
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What could I record that would let me see across all of them?Builds are process trees#When you type cargo build or zig build, it feels like you are running one program. Cargo sees crates, Ninja sees build edges and CMake generates instructions for another build system. I recorded that build too:Explore in buildprofJust 2m24s. It was downloading them from a separate WebKit build. For ripgrep, recording barely changed the build time.
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