this post was submitted on 21 Sep 2023
20 points (81.2% liked)
Programming
17509 readers
8 users here now
Welcome to the main community in programming.dev! Feel free to post anything relating to programming here!
Cross posting is strongly encouraged in the instance. If you feel your post or another person's post makes sense in another community cross post into it.
Hope you enjoy the instance!
Rules
Rules
- Follow the programming.dev instance rules
- Keep content related to programming in some way
- If you're posting long videos try to add in some form of tldr for those who don't want to watch videos
Wormhole
Follow the wormhole through a path of communities [email protected]
founded 1 year ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
The article is not talking about async processing. It's talking about the process scheduler and thread blocking. It even has a section titled "Real-time Scheduling" that talks specifically about the process scheduler.
It's simply not possible to fit the author's definition of real-time without using something like an RTOS, and the author seems to understand that. The main feature of an RTOS is a different scheduler implementation that can guarantee cpu time to events. The catch is that an RTOS isn't going to handle general purpose usecases like a personal computer very well since it requires purpose-built programs and won't be great at juggling a lot of different processes at the same time.
No, not really.
The article doesn't even cover process scheduling at all. The whole point of the article, which is immediately obvious to anyone who ever worked on a GUI, is what code runs on event handlers and how doing too much in them has a noticeable detrimental impact on user experience (i.e., blocks the main thread).
It's also obvious to anyone who ever worked on a GUI that you free the main thread of these problems by refactoring the application to run some or all code in a problematic handler asynchronously.