rpds
Taskflow
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rpds | Taskflow | |
---|---|---|
3 | 24 | |
1,122 | 9,552 | |
- | 1.7% | |
7.6 | 7.9 | |
2 months ago | 2 days ago | |
Rust | C++ | |
Mozilla Public License 2.0 | GNU General Public License v3.0 or later |
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rpds
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Getting both a mutable and immutable reference to a shared structure?
Another option I can think of - but not completely sure how one would implement in Rust - would be to never mutate the shared state, but rather when updating it - completely swapping it out with a completely new copy of the desired state. There's lots of different ways to go about doing this - each with their own trade offs. But using some form of Persistent Data Structure would probably be a good way to start. If you only have a single writer - then I believe using a Cell and simply updating which version of the structure is being read could work. rpds seems to be a decent start to look at these sorts of structures in Rust.
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Learning Clojure made me return back to C/C++
Thanks for taking the time to provide a detailed response. Need to think on this. I had actually started a regular Clojure parser using LLVM as a hobby, but then my friend said it was better to implement this in a safe-memory and. save-concurrency language like Rust and leverage cranelift for code generation. So, now I am learning rust, lol. (Btw, Rust has a persistent data structures lib too: https://github.com/orium/rpds )
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Persisting data that has revisions for values
Take a look at https://github.com/orium/rpds or one of the many others.
Taskflow
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Improvements of Clojure in his time
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.
- Taskflow: A General-Purpose Parallel and Heterogeneous Task Programming System
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How to go from intermediate to advance in C++?
Also, you can take a look to good libraries. The problem is that very often libraries are heavily templated, so It could be hard. For example, I like the style of the Taskflow library, I think is very clear, is relatively small, while makes use of more advanced techniques: https://github.com/taskflow/taskflow
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gcl v1.1 released - Graph Concurrent Library for C++
Cool. Thanks! How does it compare to taskflow?
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std::execution from the metal up - Paul Bendixen - Meeting C++ 2022
I've not seen yet, but it's been a bit since I looked last, any evidence of being able to build a computation graph and "save" it to re-run on new inputs. Something like https://github.com/taskflow/taskflow
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Proper abstraction for this?
It seems you're describing something a generic parallel task framework. Check taskflow for a production ready example https://github.com/taskflow/taskflow/blob/master/
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That one technology, question, or skill you never learned, and now you are haunted by during every new job conversation...
- https://github.com/taskflow/taskflow (I recommend to learn it first since its API and documentation are excellent)
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Parallel Computations in C++: Where Do I Begin?
If you want some sort of "job" system, where you submit items to a some sort of queue to be processed in parallel, try searching for a thread pool - there isn't one in the standard library, but there's about a million implementations online. There are more complicated versions of that idea, that describe computation as a directed acyclic graph, such as taskflow.
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High level overview of my custom game engine
The tooling decisions affect engine design though. For example if you want to have visual representation of job graph as it happened in specific frame of interest you need to pass the information around about job relationships and output it to a tool of choice. For example see https://github.com/taskflow/taskflow
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Is there any good reason not to build an open-source C++ project on Intels oneTBB?
I am aware of DAGs of task based threading library like Taskflow and HPX however the benefit they have is not obvious to me, as the following sequential section depends on the parallel part being completed fully. If you want to suggest elaboration on the benefits of this approach would be welcome.
What are some alternatives?
hypergraph - Hypergraph is data structure library to create a directed hypergraph in which a hyperedge can join any number of vertices.
tbb - oneAPI Threading Building Blocks (oneTBB) [Moved to: https://github.com/oneapi-src/oneTBB]
moodycamel - A fast multi-producer, multi-consumer lock-free concurrent queue for C++11
tensorflow - An Open Source Machine Learning Framework for Everyone
rust-rocksdb - rust wrapper for rocksdb
HPX - The C++ Standard Library for Parallelism and Concurrency
cranelift - Cranelift code generator
C++ Actor Framework - An Open Source Implementation of the Actor Model in C++
pest - The Elegant Parser
entt - Gaming meets modern C++ - a fast and reliable entity component system (ECS) and much more
bimap-rs - Generic bijective maps in Rust
libunifex - Unified Executors