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Merge Sort

2. MergeSort

  • Why Important: MergeSort is stable (preserves the relative order of equal elements) and handles large datasets efficiently with O(N log N) time complexity.
  • Where It’s Useful:
    • Sorting animations or frames by timestamps.
    • Material batching: Sort objects by material to group draw calls efficiently.
    • Texture Packing: Arranging UV data or textures for optimal atlas generation.

Why Choose MergeSort:

  • It’s stable, which makes it ideal for sorting when the relative order of objects matters (e.g., sorting multiple attributes like texture ID and distance).