This repository has an implementation of Conway's Game of Life using Avalonia UI.
You'll need .NET 8 SDK, and then use dotnet run.
This project started by optimizing JetBrains dotMemory tutorial game of life, which is currently written in WPF. This makes it difficult for folks to run on macOS. I realized quickly that the WPF implementation was not going to work with Avalonia based on the original implementation. So, I decided to rewrite the project using CommunityToolkit and MVVM and optimize it as much as I could. There's still some room for improvement, specifically around the dispatching of updating events.
The biggest grid I could get running was 250^2 before things started to get slow. See if you can do better.
If you'd like to chat about this implementation, you can reach me at this repo or on Mastodon at @khalidabuhakmeh@mastodon.social.