Top 19 C++ Coroutine Projects
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> I tend to install FOSS because imo they are more "future-proof", but some of them are developed by companies (e.g., Fedora Linux) and that makes me wonder if they're truly future-proof.
The story of CentOS should be telling that, no, many pieces of software that are backed by a company will not be future-proof and will probably experience certain changes as a consequence of that, be it being transformed to better fit corporate goals (CentOS Stream), or being retired eventually so the company may focus on something else (Atom), or will just be left to slowly rot over time as happens with most code (OpenOffice).
Then again, it's not like open source projects are that future proof or safe from "drama" either - for example, the Lubuntu project has 2 homepages for no reason: the official one at https://lubuntu.me/ and some other one that serves old versions and is not trusted by my ad blocking solution https://lubuntu.net/
There are also cases, when open source projects experience fragmentation like happened with Gogs https://gogs.io/ and Gitea https://gitea.io/en-us/ and sometimes there are cases where particular individuals simply cannot work together and as a consequence pretty much the same happens, as was the case with Swoole and Open Swoole: https://github.com/swoole/swoole-src/issues/4434
Treat most pieces of software that you use as if they might not be there in a year.
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JetBrains
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Project mention: My thoughts and dreams about a standard user-space I/O scheduler | reddit.com/r/cpp | 2022-04-28
Because the whole application is running under a single thread there is no need for atomic operations in synchronization primitives(which most of the time requires seq_cst memory order and CMPXCHG which is an expensive instruction in CPU). for example what async_mutex would look like if it knows it's running in a single-threaded scheduler (a non-atomic state variable and waiters queue).
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concurrencpp
Modern concurrency for C++. Tasks, executors, timers and C++20 coroutines to rule them all
Project mention: concurrencpp VS MTL - a user suggested alternative | libhunt.com/r/concurrencpp | 2022-02-28 -
libfiber
The high performance coroutine library for Linux/FreeBSD/MacOS/Windows, supporting select/poll/epoll/kqueue/iocp/windows GUI (by iqiyi)
Project mention: Any C Asynchronous libraries I can translate to? | reddit.com/r/ProgrammingLanguages | 2021-07-06Consider https://github.com/iqiyi/libfiber (and not the same-name https://github.com/brianwatling/libfiber, which isn't active, nor https://github.com/evanj/libfiber, which has a nice article that goes with it: https://www.evanjones.ca/software/threading.html).
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if any of these bad people want to hurt you again - tell them that with swoole php is better then their language X. because it is. JavaScripters hate this.
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https://github.com/jgaa/restc-cpp (beta)
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Scout APM
Less time debugging, more time building. Scout APM allows you to find and fix performance issues with no hassle. Now with error monitoring and external services monitoring, Scout is a developer's best friend when it comes to application development.
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Project mention: CoroBase: a research database engine that models transactions as C++20 coroutines to hide cache misses | reddit.com/r/cpp_coroutines | 2022-04-17
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I though that with the meager support for coroutines that C++ 20 has, it would take ages till I could use that in Qt, but I discovered that it's actually quite nice with QCoro, which is a 3rd part library that is able to leverage coroutines in Qt's event loop with just an add on. I thought it would require extra facilities in the language/library, plus some large patch to Qt to have the first support of them.
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Project mention: I'm giving out microgrants to open source projects for the third year in a row! Brag about your projects here so I can see them, big or small! | reddit.com/r/programming | 2021-12-28
I've been working on and off as time permits on Ichor. It's a c++ middleware designed to take away a couple problems I had with writing large scale applications:
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The loop has to be written to go with the coroutines that you're using. Here's one example of some tests for a task coroutine: https://github.com/Felspar/coro/blob/main/test/run/task.cpp and here is one for an IO loop https://github.com/Felspar/poll/blob/main/test/run/basics.cpp#L112-L116 (the `run` method executes the loop until the passed in coroutine is done)
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Rstein.AsyncCpp
The RStein.AsyncCpp library is a set of types that should be familiar for anyone who knows the Task Parallel Library (TPL) for .NET (C#).
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Flow
Flow is a software framework focused on ease of use while maximizing performance in closed closed loop systems (e.g. robots). Flow is built on top of C++ 20 coroutines and utilizes modern C++ techniques. (by ManuelMeraz)
C++ Coroutines related posts
- 150,000 /r/php Members!
- A Self-Hosted and Open-Source Alternative to Google’s Firebase Releases Version 0.14
- C++20 coroutines explained simply
- My thoughts and dreams about a standard user-space I/O scheduler
- is it possible to place an event listener inside an external class?
- What is the standard for writing network & database code in C++?
- [Discussion] What are some old C++ open source projects you wish were still active?
Index
What are some of the best open-source Coroutine projects in C++? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | Swoole | 17,452 |
| 2 | cocoyaxi | 2,670 |
| 3 | cppcoro | 2,344 |
| 4 | concurrencpp | 944 |
| 5 | libfiber | 622 |
| 6 | swoole-src | 477 |
| 7 | restc-cpp | 472 |
| 8 | corobase | 181 |
| 9 | Forkpool | 122 |
| 10 | qcoro | 112 |
| 11 | charly-vm | 82 |
| 12 | coop | 70 |
| 13 | Ichor | 67 |
| 14 | libcoro | 65 |
| 15 | packio | 45 |
| 16 | coro | 28 |
| 17 | Rstein.AsyncCpp | 26 |
| 18 | asiochan | 17 |
| 19 | Flow | 5 |
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