Content tagged with "concurrency" (4)

From the wire to async/await: what the network actually delivers, what a socket is, where the bytes wait on both sides of it, and how async I/O grew out of all that.

Concurrency is how you organize the work, parallelism is whether you have enough workers to do it simultaneously, and most people mix the two up.

Once you make one function async, every function that calls it has to be async too, and that's not a bug, it's a language design problem nobody solved cleanly.

Why a promise callback runs before a setTimeout of zero. Archibald walks the event loop's two queues closely enough that async ordering stops surprising you.