importantSYS.SOURCE: byroot’s blog• 2026-08-14T05:45:12Z

Optimizing Small Ruby Hash Performance Through Array-Based Lookup

#ruby #hash #performance

The article explains that Ruby's Hash uses an array-based structure (ar_table) for small sizes, leading to O(n) lookup times, and compares it with the st_table implementation for larger hashes, highlighting a space-time trade-off.

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