Friflo.Engine.ECS

High Performance C# ECS - Entity Component System.
The ECS for finishers 🏁

Feature highlights

• Simple API - no boilerplate, rock-solid 🗿 and bulletproof 🛡️
• High-performance 🔥 compact ECS
• Low memory footprint 👣. Create 100.000.000 entities in 1.5 sec
• Zero ⦰ allocations after buffers are large enough. No struct boxing
• High performant / type-safe queries ⊆
• Efficient multithreaded queries ⇶
• Entity component Search in O(1) ∈
• Fast batch / bulk operations ⏩
• Command buffers / deferred operations ⏭️
• Entity relationships and relations ⌘
• Entity hierarchy / tree ⪪
• Fully reactive / entity events ⚡
• Systems / System groups ⚙️
• Watch entities, components, relations, tags, query results, systems, ... in debugger 🐞
• JSON Serialization 💿
• SIMD Support 🧮
• Supports .NET Standard 2.1 .NET 5 .NET 6 .NET 7 .NET 8
  WASM / WebAssembly, Unity (Mono, AOT/IL2CPP, WebGL), Godot, MonoGame, ... and Native AOT
• 100% secure C# 🔒. No unsafe code, native dll bindings and access violations. See Wiki ⋅ Library.

More at GitHub README.md

What is an ECS?

An entity-component-system (ECS) is a software architecture pattern. See ECS ⋅ Wikipedia.
It is often used in the Gaming industry - e.g. Minecraft - and used for high performant data processing.
An ECS provide two strengths:

1. It enables writing highly decoupled code. Data is stored in Components which are assigned to objects - aka Entities - at runtime.
   Code decoupling is accomplished by dividing implementation in pure data structures (Component types) - and code (Systems) to process them.

2. It enables high performant system execution by storing components in continuous memory to leverage CPU caches L1, L2 & L3.
   It improves CPU branch prediction by minimizing conditional branches when processing components in tight loops.