ThreadPool
tokio
ThreadPool | tokio | |
---|---|---|
8 | 196 | |
7,476 | 24,761 | |
- | 1.8% | |
0.0 | 9.5 | |
about 2 months ago | 5 days ago | |
C++ | Rust | |
zlib License | MIT License |
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.
ThreadPool
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Is Parallel Programming Hard, and, If So, What Can You Do About It? v2023.06.11a
And in C++ can also use this dead-simple header file for a nice high-level, modern threadpool using function objects (lambdas) for very easy parallelization of arbitrary tasks: https://github.com/progschj/ThreadPool
- I created a ThreadPool class a while back, and I think it might have a very rare race condition that I can't reliable replicate in my application. Does anything look messed up?
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Hilll climbing Algorithm
Depending on how sophisticated you are with C++ you might want to try to impress him by using multithreading. I like this simple library. It's only like a 100 lines of code in a single header, and it is very simple to use.
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bad interpreter: Permission denied in GOOGLE COLAB
#!/usr/bin/env bash if [ ! -d kenlm ]; then git clone https://github.com/kpu/kenlm.git echo -e "\n" fi if [ ! -d openfst-1.6.3 ]; then echo "Download and extract openfst ..." wget http://www.openfst.org/twiki/pub/FST/FstDownload/openfst-1.6.3.tar.gz tar -xzvf openfst-1.6.3.tar.gz echo -e "\n" fi if [ ! -d ThreadPool ]; then git clone https://github.com/progschj/ThreadPool.git echo -e "\n" fi echo "Install decoders ..." python setup.py install --num_processes 4
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CPU raytracer multithreading
For point 2, just use this if you're lazy: https://github.com/progschj/ThreadPool
- How many threads at once?
tokio
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On Implementation of Distributed Protocols
Being able to control nondeterminism is particularly useful for testing and debugging. This allows creating reproducible test environments, as well as discrete-event simulation for faster-than-real-time simulation of time delays. For example, Cardano uses a simulation environment for the IO monad that closely follows core Haskell packages; Sui has a simulator based on madsim that provides an API-compatible replacement for the Tokio runtime and intercepts various POSIX API calls in order to enforce determinism. Both allow running the same code in production as in the simulator for testing.
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I pre-released my project "json-responder" written in Rust
tokio / hyper / toml / serde / serde_json / json5 / console
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Cryptoflow: Building a secure and scalable system with Axum and SvelteKit - Part 0
tokio - An asynchronous runtime for Rust
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Top 10 Rusty Repositories for you to start your Open Source Journey
3. Tokio
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API Gateway, Lambda, DynamoDB and Rust
The AWS SDK makes use of the async capabilities in the Tokio library. So when you see async in front of a fn that function is capable of executing asynchronously.
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The More You Gno: Gno.land Monthly Updates - 6
Petar is also looking at implementing concurrency the way it is in Go to have a fully functional virtual machine as it is in the spec. This would likely attract more external contributors to developing the VM. One advantage of Rust is that, with the concurrency model, there is already an extensive library called Tokio which he can use. Petar stresses that this isnβt easy, but he believes itβs achievable, at least as a research topic around determinism and concurrency.
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Consuming an SQS Event with Lambda and Rust
Another thing to point out is that async is a thing in Rust. I'm not going to begin to dive into this paradigm in this article, but know it's handled by the awesome Tokio framework.
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netcrab: a networking tool
So I started by using Tokio, a popular async runtime. The docs and samples helped me get a simple outbound TCP connection working. The Rust async book also had a lot of good explanations, both practical and digging into the details of what a runtime does.
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Thread-per-Core
Regarding the quote:
> The Original Sin of Rust async programming is making it multi-threaded by default. If premature optimization is the root of all evil, this is the mother of all premature optimizations, and it curses all your code with the unholy Send + 'static, or worse yet Send + Sync + 'static, which just kills all the joy of actually writing Rust.
Agree about the melodramatic tone. I also don't think removing the Send + Sync really makes that big a difference. It's the 'static that bothers me the most. I want scoped concurrency. Something like <https://github.com/tokio-rs/tokio/issues/2596>.
Another thing I really hate about Rust async right now is the poor instrumentation. I'm having a production problem at work right now in which some tasks just get stuck. I wish I could do the equivalent of `gdb; thread apply all bt`. Looking forward to <https://github.com/tokio-rs/tokio/issues/5638> landing at least. It exists right now but is experimental and in my experience sometimes panics. I'm actually writing a PR today to at least use the experimental version on SIGTERM to see what's going on, on the theory that if it crashes oh well, we're shutting down anyway.
Neither of these complaints would be addressed by taking away work stealing. In fact, I could keep doing down my list, and taking away work stealing wouldn't really help with much of anything.
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PHP-Tokio β Use any async Rust library from PHP
The PHP <-> Rust bindings are provided by https://github.com/Nicelocal/ext-php-rs/ (our fork of https://github.com/davidcole1340/ext-php-rs with a bunch of UX improvements :).
php-tokio's integrates the https://revolt.run event loop with the https://tokio.rs event loop; async functionality is provided by the two event loops, in combination with PHP fibers through revolt's suspension API (I could've directly used the PHP Fiber API to provide coroutine suspension, but it was a tad easier with revolt's suspension API (https://revolt.run/fibers), since it also handles the base case of suspension in the main fiber).
What are some alternatives?
CTPL - Modern and efficient C++ Thread Pool Library
async-std - Async version of the Rust standard library
Hopac - http://hopac.github.io/Hopac/Hopac.html
Rocket - A web framework for Rust.
kenlm - KenLM: Faster and Smaller Language Model Queries
hyper - An HTTP library for Rust
c_playground - C Playground
futures-rs - Zero-cost asynchronous programming in Rust
ideas5 - Batch 5 of Ideas for Computing
smol - A small and fast async runtime for Rust
ants - πππ ants is a high-performance and low-cost goroutine pool in Go./ ants ζ―δΈδΈͺι«ζ§θ½δΈδ½ζθη goroutine ζ± γ
rayon - Rayon: A data parallelism library for Rust