Linux kernel in-tree Rust support

Re:Linux kernel in-tree Rust support by pjmlp on Saturday July 11, 2020 @05:13PM (#23806055)

Every time a new Rust version comes out I compile my toy Gtk-rs application ported from a C/C++ User Journal article about Gtkmm.

The C++ version still wins by several minutes on a Asus 1215B.

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Re:Linux kernel in-tree Rust support by swsieber on Saturday July 11, 2020 @06:34PM (#23806727)

Has the gap at least narrowed over time?

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Re:Linux kernel in-tree Rust support by pjmlp on Sunday July 12, 2020 @01:25AM (#23809070)

Definitely, the improvements on rustc are visible, so eventually it will reach there.

And I test it on that hardware on purpose, because I should not have to buy a top class desktop to achieve usable compile times similar to other AOT compiled languages.

However, I also admit that what is missing is having a backend that favours debug workflows, which do exist just aren't yet there.

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Re:Linux kernel in-tree Rust support by AlphaSite on Sunday July 12, 2020 @01:53PM (#23813223)

Is this a fresh compile each time?

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Re:Linux kernel in-tree Rust support by pjmlp on Sunday July 12, 2020 @04:46PM (#23814610)

Yes, make clean all, cargo clean build.

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Re:Linux kernel in-tree Rust support by fluffything on Monday July 13, 2020 @03:27AM (#23818021)

If it does compile, could you try reporting results for multiple Rust compiles (e.g. the current one, and the ones from 6,12,18,24 months ago) ? (If you can, maybe do the same for C, but I don't know how easy that is).

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