green-threads – Tarik Billa

Why did Rust remove the green-threading model; what’s the disadvantage?

January 5, 2024 by Tarik

Erlang uses green threads with preemption. This is possible only because Erlang has a VM, which also allows a lot of other things like code hotswap. But languages with VM are unsuitable for systems programming because they always have some constant overhead, both in memory and processing power. Rust is a systems programming language, and … Read more

Green-threads and thread in Python

April 13, 2023 by Tarik

You can think of greenlets more like cooperative threads. What this means is that there is no scheduler pre-emptively switching between your threads at any given moment – instead your greenlets voluntarily/explicitly give up control to one another at specified points in your code. Does the GIL affect them? Can there be more than one … Read more