copyless VS rust

Compare copyless vs rust and see what are their differences.

copyless

[deprecated] Avoid memcpy calls when working with standard containers (by kvark)

rust

Empowering everyone to build reliable and efficient software. (by rust-lang)
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copyless rust
2 2,757
275 98,875
- 0.8%
0.0 10.0
about 2 years ago 7 days ago
Rust Rust
Apache License 2.0 GNU General Public License v3.0 or later
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
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copyless

Posts with mentions or reviews of copyless. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-11-17.

rust

Posts with mentions or reviews of rust. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-11-17.
  • Building a real-time chat using WebSockets over HTTP/2 streams
    6 projects | dev.to | 17 Nov 2024
    nightly: Necessary because of the RTN feature.
  • Installing Rust on macOS with Homebrew
    2 projects | dev.to | 17 Nov 2024
    This Sunday, I had a bit of extra time, so I decided to brush up on Rust. Whether you are a seasoned developer or just starting out, getting your tools set up is always the first step.
  • Rust's Sneaky Deadlock With `if let` Blocks
    5 projects | news.ycombinator.com | 12 Nov 2024
    There was an idea floated for another lint `#[diagnostics::lint_as_temporary(reason = "...")]`, which is supposed to be added by implementors of such locks. https://github.com/rust-lang/rust/issues/131154#issuecomment...
  • Perhaps Rust Needs "Defer"
    2 projects | news.ycombinator.com | 6 Nov 2024
  • Starting to Rust: A Developer’s Journey into the Rust Language
    2 projects | dev.to | 4 Nov 2024
    It has excellent documentation on how to get started at the official site.
  • Matrix 2.0 Is Here
    7 projects | news.ycombinator.com | 3 Nov 2024
    So I did a catalyst build of EX a while back (which is where https://github.com/rust-lang/rust/issues/106021 came from) - but rather anticlimactically the end result looked almost identical to the normal iOS app when running under macOS; I don't remember the sidebar/toolbar looking particularly better, and that was my main reason for doing the build in the first place (to get a flexibly resizable left toolbar). The main advantage seemed to be that it would run on Intel.

    If things have improved I'd love to know, and then perhaps we'll have another shot at it. Are there any good comparison screenshots of the two approaches (with a toy app, i guess) anywhere?

  • A comparison of Rust's borrow checker to the one in C#
    14 projects | news.ycombinator.com | 30 Oct 2024
    I think you're being overly optimistic in assuming that is actually the case. Bugs like https://bugs.llvm.org/show_bug.cgi?id=39282 make me think that even simple examples like you wrote could have had problems. Here's a similar bug but for GCC: https://github.com/rust-lang/rust/issues/54878#issuecomment-...

    I'm sure there were probably others.

    It's generally true that C/C++ code rarely if ever uses restrict & that Rust was the first to actually put any real pressure on those code paths and once it was found it took over a year to fix and it's incorrect to state that the miscompilation was only in code patterns that would only exist in Rust.

  • My Contribution to Deno 2.0
    6 projects | dev.to | 28 Oct 2024
    Deno (/ˈdiːnoʊ/, pronounced dee-no) is a JavaScript, TypeScript, and WebAssembly runtime with secure defaults and a great developer experience. It's built on V8 Rust, and Tokio.
  • Impl Snake For Micro:bit - Embedded async Rust on BBC Micro:bit with Embassy
    6 projects | dev.to | 28 Oct 2024
    Rust Programming Language
  • How fast can you parse a CSV file in C#?
    4 projects | news.ycombinator.com | 27 Oct 2024
    Worked on a relevant project for Meta.

    There’s a lot of overhead as soon as you involve a filesystem rather than a block device, even on a dedicated disk, particularly with btrfs. I don’t know if the same is true with MacOS and APFS; this isn’t the area I usually work in. However copy-on-write file systems (which I believe apfs is) are somewhat predisposed to fragment files as part of the dedup process; I don’t know if apfs runs it online in some way so it could have affected the article’s author’s results.

    The standard library implementation details can also have a huge impact, eg I observed with Rust for a prior project when I started fiddling with the read buffer size:

    https://github.com/rust-lang/rust/issues/49921

    The other issue that I see is that their I/O is implicitly synchronous and requires a memory copy. They might see better performance if they can memmap the file, which can probably solve both issues. Then if C# allows it, they can just parse the CSV in-place; with a language like Rust, you can even trivially do this in a zero-copy manner, though I suspect it’s more involved with C# since this requires setting up strings / parsing that point at the memmaped file.

    At that point, the OS should be theoretically able to serve up the cached file for the application to do some logic with, without ever needing to copy the full contents again into separate strings.

What are some alternatives?

When comparing copyless and rust you can also consider the following projects:

flexstr - A flexible, simple to use, immutable, clone-efficient String replacement for Rust

carbon-lang - Carbon Language's main repository: documents, design, implementation, and related tools. (NOTE: Carbon Language is experimental; see README)

rfcs - RFCs for changes to Rust

zig - General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.

compiler-explorer - Run compilers interactively from your web browser and interact with the assembly

Nim - Nim is a statically typed compiled systems programming language. It combines successful concepts from mature languages like Python, Ada and Modula. Its design focuses on efficiency, expressiveness, and elegance (in that order of priority).

Odin - Odin Programming Language

Elixir - Elixir is a dynamic, functional language for building scalable and maintainable applications

Rustup - The Rust toolchain installer

rust-analyzer - A Rust compiler front-end for IDEs [Moved to: https://github.com/rust-lang/rust-analyzer]

go - The Go programming language

mimalloc - mimalloc is a compact general purpose allocator with excellent performance.

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