Lookup Table

Definitions

1. A precomputed array or hash map that replaces expensive runtime calculations with direct indexed access, trading memory for speed. Common uses include CRC tables, trigonometric values, and character classification tables.

   In plain English: A cheat sheet of pre-calculated answers so the computer can look up a result instantly instead of doing the math every time.

   Example: "We replaced the sine computation in the hot loop with a lookup table and cut frame time by 4ms."

Related Terms

• lazy loading
• Cache
• Profile
• Vectorization
• Map
• Order of Magnitude
• Pair
• Prefetch
• Production Build
• Profiler
• Random Access
• Range
• Set
• Short Circuit
• Tuple
• StormForge
• API Pagination
• Code Performance
• Custom Iterator
• Cyclic Reference