Reducing Rust Incremental Compilation Times on macOS

Re:Reducing Rust Incremental Compilation Times on macOS by snake_case on Sunday April 18, 2021 @10:32AM (#26852811)

Author here. How long do your dev builds take, and what is it that you are building? Curious what kind of improvement you get with split-debuginfo enabled!

This project is a very small hyper/tokio backend API. However, I also work on a CLI tool [1] I created which has very fast recompile times, usually less than a second. Mostly because it's pretty light on dependencies.

[1]: https://github.com/jakedeichert/mask

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Re:Reducing Rust Incremental Compilation Times on macOS by vlovich123 on Sunday April 18, 2021 @03:52PM (#26855737)

In C++ land I’ve experienced the gamut from multi-minute clean builds to 30 minutes to 1.5 hours on the latest & greatest CPUs, even with ccache. 14s sounds like paradise to me.

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Re:Reducing Rust Incremental Compilation Times on macOS by O_H_E on Sunday April 18, 2021 @06:36PM (#26857163)

Honest question, is there really no way to know whether what you wrote is working or not without waiting 20min-1H?? That sounds like hell.

Where these incremental compilation?

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Re:Reducing Rust Incremental Compilation Times on macOS by vlovich123 on Tuesday April 20, 2021 @12:32AM (#26870700)

That’s usually clean builds. Incremental builds can be in the instant to 1-5 min depending on what line of code you change (deploy a new compiler and you’re probably rebuilding everything).

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Re:Reducing Rust Incremental Compilation Times on macOS by O_H_E on Tuesday April 20, 2021 @06:00AM (#26872675)

Oh ok, that makes much more sense.

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Re:Reducing Rust Incremental Compilation Times on macOS by imron on Sunday April 18, 2021 @11:12PM (#26858788)

It’s a C++ project for an embedded device, so my comment was more a reflection on build times in general rather than being Rust related.

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