Top 23 C++ Multithreading Projects

• Taskflow

  24 9,588 7.9 C++

  A General-purpose Parallel and Heterogeneous Task Programming System

  

Project mention: Improvements of Clojure in his time | /r/Clojure | 2023-06-16

For parallel programming nowadays, personally I reach for C++ Taskflow when I really care about performance, or a mix of core.async and running multiple load balanced instances when I’m doing more traditional web backend stuff in Clojure.

• napajs

  6 9,238 0.0 C++

  Napa.js: a multi-threaded JavaScript runtime

  

Project mention: A list of JavaScript engines, runtimes, interpreters | /r/learnjavascript | 2023-12-10

Napa.js

• InfluxDB

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  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• concurrencpp

  16 2,067 1.2 C++

  Modern concurrency for C++. Tasks, executors, timers and C++20 coroutines to rule them all

Project mention: Is anyone using coroutines seriously? | /r/cpp | 2023-12-05

I am using concurrencpp for my project. What I like about it is that it's basically a thread pool factory with coroutines. It allows for better structuring / organizing of multithreaded work. So for me the main advantage of coroutines is that the code looks easier to follow

• thread-pool

  6 1,948 4.2 C++

  BS::thread_pool: a fast, lightweight, and easy-to-use C++17 thread pool library

• enkiTS

  8 1,627 6.8 C++

  A permissively licensed C and C++ Task Scheduler for creating parallel programs. Requires C++11 support.

Project mention: Better use of threads | /r/cpp_questions | 2023-05-31

If you're open to using a task scheduler library, and want something lighter weight than the alternatives, my permissively licensed C and C++ Task Scheduler for creating parallel programs enkiTS would be a good fit for this.

• react-native-multithreading

  8 1,102 0.0 C++

  🧵 Fast and easy multithreading for React Native using JSI

• nebula

  1 856 9.4 C++

  Nebula is an open-source and free-to-use modern C++ game engine. (by gscept)

  

Project mention: Nebula is an open-source and free-to-use modern C++ game engine | news.ycombinator.com | 2024-01-09

• SaaSHub

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• ultimatepp

  21 738 9.5 C++

  U++ is a C++ cross-platform rapid application development framework focused on programmer's productivity. It includes a set of libraries (GUI, SQL, Network etc.), and integrated development environment (TheIDE).

  

Project mention: Ask HN: What are some unpopular technologies you wish people knew more about? | news.ycombinator.com | 2023-12-02

• sobjectizer

  15 460 9.1 C++

  An implementation of Actor, Publish-Subscribe, and CSP models in one rather small C++ framework. With performance, quality, and stability proved by years in the production.

  

Project mention: SObjectizer Tales - Epilogue | dev.to | 2024-04-25

Message Delivery Tracing aims to debug an application built on top of SObjectizer. In essence, it logs the primary stages of the message delivery process, allowing visibility into whether there is a suitable subscriber with the corresponding event handler.

• react-native-worklets-core

  3 455 8.7 C++

  🧵 A library to run JS functions ("Worklets") on separate Threads

  

Project mention: stockfish chess engine with react native? | /r/reactnative | 2023-05-23

• occa

  1 379 7.8 C++

  Portable and vendor neutral framework for parallel programming on heterogeneous platforms.

  

Project mention: Portable and vendor neutral parallel programming on heterogeneous platforms | news.ycombinator.com | 2024-04-11

• areg-sdk

  21 242 8.6 C++

  AREG is an asynchronous Object RPC framework to simplify multitasking programming by blurring borders between processes and treating remote objects as if they coexist in the same thread.

Project mention: Essentials of Object Oriented and Functional Programming: A Guide to Modular Code | dev.to | 2023-07-27

FP Libraries: gRPC, ZeroMQ, and AREG are examples of libraries with a special focus on providing possibilities for Interprocess Communication. Developed using C++, they facilitate communication through predefined APIs, emphasizing functional programming concepts.

• cs_libguarded

  10 218 5.0 C++

  Header-only library for multithreaded programming

  

• hypergrep

  5 163 9.3 C++

  Recursively search directories for a regex pattern

Project mention: Ugrep – a more powerful, ultra fast, user-friendly, compatible grep | news.ycombinator.com | 2023-12-30

Another issue with Hyperscan is that if you enable HS_FLAG_UTF8[1], which hypergrep does[2,3], and then search invalid UTF-8, then the result is UB.

> This flag instructs Hyperscan to treat the pattern as a sequence of UTF-8 characters. The results of scanning invalid UTF-8 sequences with a Hyperscan library that has been compiled with one or more patterns using this flag are undefined.

That's another issue you'll need to grapple with if you use Hyperscan. PCRE2 used to have this issue[4], but they've since defined the semantics of searching invalid UTF-8 with Unicode mode enabled. ripgrep 14 uses that new mode, but I haven't updated that FAQ answer yet.

[1]: https://intel.github.io/hyperscan/dev-reference/api_files.ht...

[2]: https://github.com/p-ranav/hypergrep/blob/ee85b713aa84e0050a...

[3]: https://github.com/p-ranav/hypergrep/blob/ee85b713aa84e0050a...

[4]: https://github.com/BurntSushi/ripgrep/blob/master/FAQ.md#why...

• CPURasterizer

  2 155 0.0 C++

  CPU Based Rasterizer Engine

• librapid

  18 153 9.3 C++

  A highly optimised C++ library for mathematical applications and neural networks.

  

Project mention: Huge LibRapid Update -- New Features, Performance Improvements and Bug Fixes | /r/cpp | 2023-08-04

In addition to all of these changes, I used LibRapid and Surge to write a simple Flappy Bird genetic AI as a proof of concept. The code runs well on all platforms and can simulate over 20,000 birds without too much trouble. If you want to check it out, here's the GitHub page: https://github.com/Pencilcaseman/FlappyBirdAI

• ConcurrentDeque

  1 135 0.0 C++

  Fast, generalized, implementation of the Chase-Lev lock-free work-stealing deque for C++17

• coop

  2 97 0.0 C++

  C++20 coroutines-based cooperative multitasking library (by jeremyong)

• SObjectizer

  0 88 0.0 C++

  SObjectizer: it's all about in-process message dispatching!

• TDP

  1 87 0.0 C++

  The Darkest Pipeline - Multithreaded pipelines for modern C++

• EmbeddedMqttBroker

  1 62 4.1 C++

  This is a Mqtt broker for embedded devices, developed in C++, FreeRTOS to use advanced multitasking capabilities, and arduino core. Tested in an Esp32 and esp8266.

Project mention: New scalable, fault-tolerant, and efficient open-source MQTT broker | news.ycombinator.com | 2023-12-18

• yapp

  1 58 0.0 C++

  A parallel pipeline for stream processing

• libbase

  5 48 0.0 C++

  Standalone reimplementation of //base module from Chromium

• SaaSHub

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C++ Multithreading related posts

• Dynamic LoDs in Bonsai

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• MutexProtected: A C++ Pattern for Easier Concurrency

  3 projects | /r/cpp | 6 Apr 2023

• Using shared_ptr for reloadable config

  1 project | /r/cpp | 27 Mar 2023

• Learn performance improvement

  1 project | /r/cpp_questions | 22 Mar 2023

• How do i make the main thread sleep while worker threads work and worker threads sleep when waiting for main thread to execute them

  2 projects | /r/cpp_questions | 4 Mar 2023

• Ban thread locking classes/functions?

  1 project | /r/cpp_questions | 17 Feb 2023
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