What does HackerNews think of mold?

mold: A Modern Linker 🦠

Language: C++

Apple's new library format combines the best of dynamic and static | Jun 2023
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> Mold did it first, though: https://github.com/rui314/mold

Before LLD?
Improving Rust compile times to enable adoption of memory safety | Feb 2023
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Using mold might help in this case.

https://github.com/rui314/mold

https://github.com/rust-lang/rust/issues/94347
Intel Launches $699 Core I9-13900KS, the First 6 GHz CPU: Available Now | Jan 2023
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You should definitely check out Mold:

https://github.com/rui314/mold
Chibicc – A Small C Compiler | Nov 2022
Rui, can you open a new Discussions thread at https://github.com/rui314/mold so we can transfer the whole conversation there?

We could ask for advice from other project developers that have succeeded on their own journey.

Bringing a dynamic environment to C: My linker project | Oct 2022
https://github.com/rui314/mold don't support live update, but fast enough to boost productivity.
Mold/macOS is 11 times faster than the Apple's default linker to link Chrome | Jun 2022
I can infer from context that mold is a linker. It took searching for https://github.com/rui314/mold to learn what it actually was, though:

"mold is a faster drop-in replacement for existing Unix linkers. It is several times faster than the LLVM lld linker, the second-fastest open-source linker which I originally created a few years ago. mold is designed to increase developer productivity by reducing build time, especially in rapid debug-edit-rebuild cycles."

I don't understand how things like this still manage to front-page without a cursory explanation.

Tauri 1.0 – Electron Alternative Powered by Rust | Jun 2022
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I recently developed a similarly sized APP with tauri + rust (3kLOC+~250 deps) and found that using mold[0] as a linker helped quite a bit for incremental builds. There were also a few other bits, like decoupling the build step in tauri from the frontend build, that helped.

[0]: https://github.com/rui314/mold
Rpath, or why lld doesn’t work on NixOS | Mar 2022
Speaking of significantly faster linkers, I personally use mold[1], including when writing in Rust.

[1]: https://github.com/rui314/mold

Things I hate about Rust, redux | Mar 2022
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> You have to link each test file which can be slow

Using Mold [0] as the linker might help. Written by the author of lld.

  Program (linker output size):  GNU gold | LLVM lld |  mold

  Chrome 96 (1.89 GiB):            53.86s |   11.74s | 2.21s

  Clang 13 (3.18 GiB):             64.12s |    5.82s | 2.90s

  Firefox 89 libxul (1.64 GiB):    32.95s |    6.80s | 1.42s
[0] https://github.com/rui314/mold

edit: add citation, info, times, link, will -> might, and formatting.
Apple M1 Ultra | Mar 2022
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> https://github.com/rui314/mold would suggest otherwise.

Does it, though?

I mean, if you read that link you'll notice it boasts the linker's performance by comparing it with cp and how it's "so fast that it is only 2x slower than cp on the same machine."

Is cp supposed to be CPU-bound?
Apple Mac Studio | Mar 2022
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Osmos.io is built on Rust so that’s LLVM. No commercial vendor involved.

There is Mold (https://github.com/rui314/mold) as an alternative but it doesn’t support MacOS yet and that’s a blocker for our team.
Apple M1 Ultra | Mar 2022
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>Try mold

Curiosity got the better of me:

https://github.com/rui314/mold