extrainterpreters
AspNetCoreDiagnosticScenarios
| extrainterpreters | AspNetCoreDiagnosticScenarios | |
|---|---|---|
| 3 | 53 | |
| 101 | 7,564 | |
| - | - | |
| 7.4 | 5.7 | |
| 6 months ago | 5 days ago | |
| Python | C# | |
| GNU Lesser General Public License v3.0 only | - |
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extrainterpreters
- Utilities for using Python's PEP 554 subinterpreters
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No-GIL mode coming for Python
It's basically becoming reality already, PEP 684 per-interpreter gil is the required structure for this (coming in Python 3.12), now only interface on top of that remains, see WIP like https://github.com/jsbueno/extrainterpreters the full interface to gil-free interpreter threads is coming in
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Real Multithreading Is Coming to Python
Important to note that this is different from the nogil project ( https://github.com/colesbury/nogil ) - this is about the feature that's landing soon in Python 3.12 which will allow multiple Python sub-interpreters each with their own GIL - hence enabling Python code to run multi-threaded in the same process, albeit with a fair amount of extra work to co-ordinate between those different interpreters.
The tutorial itself is fantastic - it's not an easy feature to try out right now but I got there by following the step-by-step instructions.
Also interesting is this project, linked to from the end of the tutorial: https://github.com/jsbueno/extrainterpreters
Posted my own set of short notes on my blog: https://simonwillison.net/2023/May/15/per-interpreter-gils/
AspNetCoreDiagnosticScenarios
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Asynchronous Programming in C#
Important: following #prefer-asyncawait-over-directly-returning-task from https://github.com/davidfowl/AspNetCoreDiagnosticScenarios/b... is not correct.
The concerns raised are niche and edge case and task must always be forwarded as is provided there is no post-processing or resource cleanup with idisposable.
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Give me your async/await gotchas
This one is a pretty decent guide - https://github.com/davidfowl/AspNetCoreDiagnosticScenarios/blob/master/AsyncGuidance.md
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What's the Benefit/Allure of Async/Await vs. CSP/Green Threads (and Other Concurrency Models)?
The C# (mostly applicat community has e.g. https://github.com/davidfowl/AspNetCoreDiagnosticScenarios/blob/master/AsyncGuidance.md written by one of the Asp.Net architects. I found this in this lovely thread https://news.ycombinator.com/item?id=36785691 which expresses my views/confusion more clearly than I can express.
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The State of Async Rust
No it doesn't, hence why there are best practices guidelines written by the .NET architects, and there was a research project to add Go/Java co-routines as well.
https://github.com/davidfowl/AspNetCoreDiagnosticScenarios/b...
https://twitter.com/davidfowl/status/1532880744732758018?lan...
https://github.com/dotnet/runtimelab/issues/2057
https://github.com/dotnet/runtimelab/issues/2398
- Java 21 makes me like Java again
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The Downsides of C++ Coroutines
They don't work just fine in C#, there is a reason why one of ASP.NET architects has written a guide of best practices.
https://github.com/davidfowl/AspNetCoreDiagnosticScenarios/b...
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No-GIL mode coming for Python
Many that praise async/await in C#, kind of forget it took about 10 years to spread across all the layer of the language and runtime, since it was done via IL rewriting, it caused several issues with F# async tasks, due to the age of the ecosystem plenty of code isn't async/await friendly and needs to be wrapped into Task.Run() or similar.
There is a best practices guideline from one of the ASP.NET architects, https://github.com/davidfowl/AspNetCoreDiagnosticScenarios/b...
During last year they researched adding Go/Java's approach to .NET, but now it is too late. See the ASP.NET Q&A session at BUILD 2023.
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Task vs threads - use cases
The best guidance I have found was from here: AsyncGuidance.md
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How Much Memory Do You Need to Run 1M Concurrent Tasks?
To expand upon this thought, here is the AsyncGuidance doc[1] on why not to use .Result to get the return value of a completed Task in C#.
To make this simple they introduced async Main[2] a few years ago.
[1]: https://github.com/davidfowl/AspNetCoreDiagnosticScenarios/b...
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React developer to NET
Async Guidance
What are some alternatives?
cloudpickle - Extended pickling support for Python objects
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problems - Discussions about problems with the current C Api
t-digest - A new data structure for accurate on-line accumulation of rank-based statistics such as quantiles and trimmed means
nix - Nix, the purely functional package manager
WPF - WPF is a .NET Core UI framework for building Windows desktop applications.
CPython - The Python programming language
hamt - A hash array-mapped trie implementation in C
scala-cli - Scala CLI is a command-line tool to interact with the Scala language. It lets you compile, run, test, and package your Scala code (and more!)
Hot Chocolate - Welcome to the home of the Hot Chocolate GraphQL server for .NET, the Strawberry Shake GraphQL client for .NET and Banana Cake Pop the awesome Monaco based GraphQL IDE.
eShopOnWeb - Sample ASP.NET Core 8.0 reference application, powered by Microsoft, demonstrating a layered application architecture with monolithic deployment model. Download the eBook PDF from docs folder.
MySqlConnector - MySQL Connector for .NET