xorsum
nogil
xorsum | nogil | |
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2 | 31 | |
0 | 2,865 | |
- | - | |
3.6 | 5.7 | |
almost 2 years ago | 3 months ago | |
Rust | Python | |
The Unlicense | GNU General Public License v3.0 or later |
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.
xorsum
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Why did you switch from another language to Rust? Do you regret not learning it earlier?
Fast-forwards some months and I didn't even start prototyping the VM, lol. I only posted the xorsum crate. I fell in love with the type system (except for the fact that TypeScript union types are more intuitive), and the fact that I could finally manage memory manually (but in an implicit way, thanks to the borrow checker) made me feel more powerful and in control of my code (it also made me feel entirely responsible for the memory use of my software)
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Hey Rustaceans! Got a question? Ask here! (30/2022)!
I made a fork of your repo, and added a commit here which makes some changes to how the data is processed. The xor_hasher function now takes in two byte slices, and main.rs now has an extra function which does some handling of the buffers.
nogil
- Proof-of-Concept Multithreaded Python Without the GIL
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Our Plan for Python 3.13
This might be a dumb question, but why would removing the GIL break FFI? Is it just that existing no-GIL implementations/proposals have discarded/ignored it, or is there a fundamental requirement, e.g. C programs unavoidably interact directly with the GIL? I know that the C-API is only stable between minor releases [0] compiled in the same manner [1], so it's not like the ecosystem is dependent upon it never changing.
I cannot seem to find much discussion about this. I have found a no-GIL interpreter that works with numpy, scikit, etc. [2][3] so it doesn't seem to be a hard limit. (That said, it was not stated if that particular no-GIL implementation requires specially built versions of C-API libs or if it's a drop-in replacement.)
[0]: https://docs.python.org/3/c-api/stable.html#c-api-stability
[1]: https://docs.python.org/3/c-api/stable.html#platform-conside...
[2]: https://github.com/colesbury/nogil
[3]: https://discuss.python.org/t/pep-703-making-the-global-inter...
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Real Multithreading Is Coming to Python
https://github.com/colesbury/nogil does manage to get rid of the GIL, but it's not certain to make it into Python core. The main problem is the amount of existing libraries that depend on the existence of the GIL without realizing it - breaking those would be extremely disruptive.
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[D] The hype around Mojo lang
CPython is also investigating the removal of the GIL (PEP703, nogil). I think requiring the GIL is a wider thing that libraries will need to address anyway. But also, for the same reason as above I'd be surprised if the Modular team thought that saying "you can run all your python code unchanged" was a good idea if there was a secret "except for code that uses numpy" muttered under the breath.
- PEP 684 was accepted – Per-interpreter GIL in Python 3.12
- PEP 703 – Making the Global Interpreter Lock Optional in CPython
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Python 3.11.0 final is now available
I'm worried about the speedup
My understanding is that it's based on the most recent attempt to remove the GIL by Sam Gross
https://github.com/colesbury/nogil
In addition to some ways to try to not have nogil have as much overhead he added a lot of unrelated speed improvements so that python without the gil would still be faster not slower in single thread mode. They seem to have merged those performance patches first that means if they add his Gil removal patches in say python 3.12 it will still be substantially slower then 3.11 although faster then 3.10. I hope that doesn't stop them from removing the gil (at least by default)
- Removed the GIL back in 1996 from Python 1.4, primarily to create a re-entrant Python interpreter.
- I Tried Removing Python's GIL Back in 1996
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Faster CPython 3.12 Plan
Looks like it's still active to me:
https://github.com/colesbury/nogil/
What are some alternatives?
gdb-multiarch-windows - GDB multi-architecture build for Windows
hpy - HPy: a better API for Python
xorsum - Get XOR hash/digest with this command-line tool
mypyc - Compile type annotated Python to fast C extensions
actix-web - Actix Web is a powerful, pragmatic, and extremely fast web framework for Rust.
numpy - The fundamental package for scientific computing with Python.
too-many-lists - Learn Rust by writing Entirely Too Many linked lists
Pytorch - Tensors and Dynamic neural networks in Python with strong GPU acceleration
sea-orm - 🐚 An async & dynamic ORM for Rust
python-feedstock - A conda-smithy repository for python.
HVM - A massively parallel, optimal functional runtime in Rust
sbcl - Mirror of Steel Bank Common Lisp (SBCL)'s official repository