libuv
libev
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libuv | libev | |
---|---|---|
75 | 4 | |
23,065 | 1,540 | |
1.3% | - | |
9.1 | 0.0 | |
7 days ago | over 3 years ago | |
C | C | |
MIT License | BSD-2-Clause |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
libuv
- Epoll: The API that powers the modern internet (2022)
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APIs in Go with Huma 2.0
I wound up on a different team with pre-existing Python code so temporarily shelved my use of Go for a bit, and we used Sanic (an async Python framework built on top of the excellent uvloop & libuv that also powers Node.js) to build some APIs for live channel management & operations. We hand-wrote our OpenAPI and used it to generate documentation and a CLI, which was an improvement over what was there (or not) before. Other teams used the OpenAPI document to generate SDKs to interact with our service.
- Python Is Easy. Go Is Simple. Simple = Easy
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Notes: Advanced Node.js Concepts by Stephen Grider
In the source code of the Node.js opensource project, lib folder contains JavaScript code, mostly wrappers over C++ and function definitions. On the contrary, src folder contains C++ implementations of the functions, which pulls dependencies from the V8 project, the libuv project, the zlib project, the llhttp project, and many more - which are all placed at the deps folder.
- A Magia do Event Loop
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What is Node.js?: A Complete Guide
Node.js is written in C, C++, and JavaScript. The core components of Node.js - the V8 engine and the libuv library - are written in C++ and C, respectively, since these languages provide low-level access to system resources, making them well-suited for building high-performance and efficient applications. JavaScript is mainly used to write the application logic.
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Using Parallel Processing in Node.js and its Limitations
Well, the single-threaded nature ultimately leads to its biggest downfall. Node.js utilizes a synchronous event loop engineered using Libuv that takes in code from the call stack and executes it.
- io_uring support for libuv – 8x increase in throughput
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7 Tips to Build Scalable Node.js Applications
Node.js executes JavaScript code in a single-threaded model. However, Node.js can function as a multithreaded framework by utilizing the libuv C library to create hidden threads (see the event loop) which handle I/O operations, and network requests asynchronously. But, CPU-intensive tasks such as image or video processing can block the event loop and prevent subsequent requests from executing, increasing the application's latency.
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Use io_uring for network I/O
Hat's off for posting this 2 hours after it dropped!
I've been tracking the nest of issues with anticipation! This wasn't linked to https://github.com/libuv/libuv/pull/1947 when it posted, so I didn't see it. Very glad you linked it, thanks!
libev
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Polyphony: Fine-Grained Concurrency for Ruby
Thank you for this.
I am interested in how concurrency can be represented elegantly and efficiently, so I am interested in how libraries can simplify async and make it easier to reason about and write
The libev and ioring support is great for IO scalability (https://github.com/enki/libev not sure if this is the official repo)
In Python I use the "select" module and use epoll on Linux.
I am currently thinking of designing an API that allows the registration of epoll-like listeners to arbitrary objects, including business objects, so you can efficiently register a listener on multiple behaviours of multiple arbitrary objects.
I wrote an async/await simulation in Java and my scheduler is really simple, it's just a for loop that checks to see if there are any tasks that can progress. I notice the switch_fiber in polyphony must do something similar. This is similar to a yield in a coroutine.
My async/await simulation takes the following program:
task1:
- Ship it!
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C in Web Dev
Also, libev
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Ideas, thoughts, and notes on an action based polymorphism pattern for C
It's done even now. See ev.h where they do this. Just that you disable GCC's aliasing warning. There's a reason why restrict and aliasing became important to deal with. It wasn't standards that killed it.
What are some alternatives?
libevent - Event notification library
Boost.Asio - Asio C++ Library
tokio-uring - An io_uring backed runtime for Rust
uvw - Header-only, event based, tiny and easy to use libuv wrapper in modern C++ - now available as also shared/static library!
C++ Actor Framework - An Open Source Implementation of the Actor Model in C++
benchmarks - Some benchmarks of different languages
asyncio - asyncio is a c++20 library to write concurrent code using the async/await syntax.
librespot - Open Source Spotify client library
liburing
Dasynq - Thread-safe cross-platform event loop library in C++