lockfree
rust-playground
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| lockfree | rust-playground | |
|---|---|---|
| 11 | 67 | |
| 695 | 1,168 | |
| - | 2.9% | |
| 7.9 | 9.5 | |
| 20 days ago | 5 days ago | |
| C++ | Rust | |
| MIT License | Apache License 2.0 |
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lockfree
- A lock-free ring-buffer with contiguous reservations (2019)
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Atomics and Concurrency
If you're interested about lock-free data structures, I wrote [lockfree](https://github.com/DNedic/lockfree) a collection of lock-free data structures meant to be readable and both hosted system and embedded friendly.
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Optimizing a Ring Buffer for Throughput
If you want more than a spsc queue, I've written `lockfree`, a collection of SPSC and MPMC data structures along the same principles the author here used:https://github.com/DNedic/lockfree.
The library is written in standard C++11 (but additional API's for higher C++ versions have been added), uses no dynamic allocation and is configurable so it is both big metal and deeply embedded friendly.
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A collection of lock-free data structures written in standard C++11
- A lot of code won't work for types with no default constructors, but that is at least compile error
- Using memcpy[0] for arbitrary types is just wrong, see [1]
[0] https://github.com/DNedic/lockfree/blob/main/lockfree/inc/bi...
[1] https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2023/p11...
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Lock-free data structures
My friend wrote a few lock-free data structures and he is now looking for some feedback. Here is the link: https://github.com/DNedic/lockfree
- A collection of lock-free data structures written in standard c++11
- A collection of embedded friendly lock-free data structures written in standard C++11
rust-playground
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Fivefold Slower Compared to Go? Optimizing Rust's Protobuf Decoding Performance
That would be true if you used `Vec::clear` too, it doesn't allocate a new vector. My point was that you still end up running Drop implementations with RepeatedField, just not all at once. See https://play.rust-lang.org/?version=stable&mode=debug&editio...
- Xz: Can you spot the single character that disabled Linux landlock?
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How to Lose Control of Your Shell
That's a valid Unix path, but rust's quoting does nothing to stop it: https://play.rust-lang.org/?version=stable&mode=debug&editio...
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Borrow Checking Without Lifetimes
Self-referential structs work fine in Rust and always have.
https://play.rust-lang.org/?version=stable&mode=debug&editio...
The compiler will correctly prevent you from moving the value.
The other way to have a struct that starts out as non-self-referential and then becomes self-referential can be achieved with `unsafe` and `Pin::new_unchecked`, which is how `async {}` is handled.
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Improving Interoperability Between Rust and C++
In rust as currently stands: https://play.rust-lang.org/?version=stable&mode=debug&editio...
On the other hand, both this wrapper and yours are counterproductive if the element size is dynamic (e.g. perhaps you're dealing with some nonsense like:)
struct ITableColumn { -
New Linux glibc flaw lets attackers get root on major distros
Overflow checks turn into two's compliments' wrapping, but that's only considered acceptable because bounds checks are not turned off.
https://play.rust-lang.org/?version=stable&mode=release&edit...
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Atomics and Concurrency
I have no idea what you're talking about, but it sounds unnecessarily complicated and why I don't use Rust for any serious work.
This demonstrates the ABA problem in safe Rust: https://play.rust-lang.org/?version=stable&mode=debug&editio...
Substitute the sleep with a combination of doing computation/work and the OS thread scheduler, and you can see how the bug surfaces.
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Rust 🦀 Installation + Hello World
You can also try Rust online using the Rust playground: https://play.rust-lang.org/
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4B If Statements
(Click ... beside build to get assembly) https://play.rust-lang.org/?version=stable&mode=release&edit...
Unfortunately the go playground doesn't seem to support emitting assembly?
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My reference was dropped, why is the compiler complaining about multiple borrow
Rust isn't a fully functional language, but the functional features play well with the lifetime system and are optimized well.
(Rust playground example: https://play.rust-lang.org/?version=stable&mode=debug&editio...)
What are some alternatives?
rc_event_queue - VecDeque-like fast, unbounded, mpmc/spmc concurent FIFO message queue. Lockless reads, write-lock writes.
tokio - A runtime for writing reliable asynchronous applications with Rust. Provides I/O, networking, scheduling, timers, ...
distortos - object-oriented C++ RTOS for microcontrollers
trunk - Build, bundle & ship your Rust WASM application to the web.
glibc - GNU Libc
mdBook - Create book from markdown files. Like Gitbook but implemented in Rust
micro-gl - Headers Only C++11 CPU Vector Graphics. no std-lib, no FPU and no GPU required !
Rocket - A web framework for Rust.
tlaplus - TLC is a model checker for specifications written in TLA+. The TLA+Toolbox is an IDE for TLA+.
egui - egui: an easy-to-use immediate mode GUI in Rust that runs on both web and native
Ring-Buffer - A simple ring buffer (circular buffer) designed for embedded systems.
sqlx - 🧰 The Rust SQL Toolkit. An async, pure Rust SQL crate featuring compile-time checked queries without a DSL. Supports PostgreSQL, MySQL, and SQLite.