relibc
mold
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relibc
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Why does musl make my Rust code so slow? (2020)
That is what Go does. BSDs hate it. https://github.com/redox-os/relibc could be repurposed for this easily enough.
- Bun v0.6.0 – Bun's new JavaScript bundler and minifier
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Microsoft rewriting core Windows libraries in Rust
A C standard library rewritten in Rust already exists. [0]
glibc has its share of CVEs, and many of the bugs are of the double free, use-after-free, buffer overflow variety. [1]
[0]: https://github.com/redox-os/relibc
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Linux libs rewritten in rust?
It is entirely possible to write a libc replacement in Rust. In fact, Redox has done so. There is nothing preventing that library from providing a POSIX interface both to C programs and to the Rust libc FFI crate.
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How do I use Zig as Rust's Standard C Library?
This is more a Rust question than a Zig question. In Rust, the choice of a specific libc (or to not use a libc) is part of the "target", for example many hardware platforms have gnu/musl/none targets. See also relibc or mustang for pure-rust alternatives. Each libc alternative require some work to integrate into Rust.
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Rust Compiler Ambitions for 2022 | Inside Rust Blog
There have been a few attempts to replace libc, at least on Linux - for example Rustix, and Relibc.
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Porting Rust's Std to Rustix
There is in fact already a library that does that https://github.com/redox-os/relibc
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is there a musl implementation in Rust ?
There's relibc.
- Relibc: Portable Posix C standard library written in Rust
mold
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I reduced (incremental) Rust compile times by up to 40%
I think this is unlikely to gain traction. I say that no to discourage you, just to explain.
- The community has an instinctive distrust of closed source or a compiler from an untrusted source. If you’re familiar with the Trusting Trust attack you’ll understand why.
- Dev tools in every language ecosystem are almost always free, unless they involve some kind of hosting. People aren’t used to opening their wallets. Look the experience of the guy who built the mold linker(https://github.com/rui314/mold). Far superior to the state of art, improves incremental compiles a lot, widely applicable across ecosystems (C, C++, Rust), CPU architectures and Operating Systems. You don’t even have to modify your compiler, just need to point to his linker. He’s even giving it away for free for personal use. But still, almost no one uses it. The inertia of the established options is really high.
- It’s not complex enough. Think about the complexity involved in the cranelift backend. No one can seriously recreate the efforts of bjorn3. If we could have, we would have. But the idea idea here can be recreated, especially by the experts who already built incremental compilation into rustc.
- But if your solution is truly complex, like the parallel frontend, the burden of maintaining a fork would be too high. You’d have to spend all your time rebasing.
Again I’m not trying to discourage you, just stating the difficulties of making a business in the dev tools space. You would be better off contributing this excellent work to the community and trying a different tack.
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Mold Course
I initially thought this would be about the mold linker (https://github.com/rui314/mold)
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Monetizing Developer Tools
I assume this submission is trying to highlight the specific message (2023-01-24) : https://github.com/rui314/mold/issues/190#issuecomment-14028...
Fyi... the author wrote a more expansive blog post about selling dev tools a few months later (2023-06-06) and there was a related HN thread about it: https://news.ycombinator.com/item?id=36225016
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mold 2.1.0 - rui314/mold
Loongson's LoongArch CPU has been supported. (03b1a1c)
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Mold 2.0.0
I'm amazed at how quickly the author responds to requests: https://github.com/rui314/mold/issues/1057
From the report to the fix in less than two days.
I'm not sure how competitive it will be with lld, especially if we consider ThinLTO (which takes multiple minutes on 64-core machine) - it can make the advantages of mold insignificant.
- Mold 2.0 released - MIT license
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Linking many files significantly increases build time. Is there an editor that allows you to write a single file but present the file to the screen as multiple 'virtual' files for better organization?
What other solutions have you tried for the problem of slow linking? You haven't even said which linker and what flags you're using. I haven't actually tried it, but the author of gold has an even faster linker called mold: https://github.com/rui314/mold
- Design and Implementation of the Mold Linker
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Apple's new library format combines the best of dynamic and static
> Mold did it first, though: https://github.com/rui314/mold
Before LLD?
What are some alternatives?
mustang - Rust programs written entirely in Rust
zld - A faster version of Apple's linker
rustix - Safe Rust bindings to POSIX-ish APIs
wasmtime - A fast and secure runtime for WebAssembly
compiler-builtins - Porting `compiler-rt` intrinsics to Rust
osxcross - Mac OS X cross toolchain for Linux, FreeBSD, OpenBSD and Android (Termux)
rust - Empowering everyone to build reliable and efficient software.
zig - General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
cross - “Zero setup” cross compilation and “cross testing” of Rust crates
chibicc - A small C compiler
ziglibc
sccache - Sccache is a ccache-like tool. It is used as a compiler wrapper and avoids compilation when possible. Sccache has the capability to utilize caching in remote storage environments, including various cloud storage options, or alternatively, in local storage.