Radix Sort

Why Important: Radix Sort is a non-comparative sorting algorithm and is faster than QuickSort for integers or fixed-length data types (e.g., IDs, bitmasks). Its complexity is O(N) for small key ranges.
Where It’s Useful:
- Sorting IDs for mesh vertices, bones, or texture indices.
- Animation Frames: Sorting animation data with frame indices for playback.
- Sorting LOD levels (Level of Detail) or objects by distance efficiently.

Why Radix Sort?:

It’s very fast for fixed-size keys (integers or floats converted into fixed-size keys), which are common in graphics.