The Evolution of Async Programming Runtimes: Moving Beyond Thread-Per-Core Models
By
ibobev
If you only eat one bagel today, this is the bagel.
Summary
This article discusses the evolution of async programming runtimes and the shift away from traditional thread-per-core models. It explains how modern async runtimes handle asynchronous tasks that can yield and spawn future work, contrasting this with older approaches that used blocking operations and thread pools. The content focuses on programming language runtime design, particularly in Rust, and how async/await patterns have changed concurrent programming paradigms.
Key quotes
· 3 pulledProgramming language async runtimes are very focused on handling asynchronous, possibly long running tasks, that might yield for a variety of reasons, that themselves might spawn future work.
In an async runtime like async Rust, the model is that a task can yield, which, conceptually, creates a new piece of work
The death of thread per core represents a fundamental shift in how we think about concurrent programming
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