Run details:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.5 Mobile/15E148 Safari/604.1
Mobile Safari 18
iOS 18.5
Mobile
11 months ago
Test name Executions per second
Array.find, 10 000 elements 183848.0 Ops/sec
Map.get, 10 000 elements 269919680.0 Ops/sec
Array.find, 1 000 000 elements 1293.2 Ops/sec
Map.get, 1 000 000 elements 249713472.0 Ops/sec
Array to Map + Map.get, 1 lookup 3640.0 Ops/sec
Array to Map + Map.get, 10 lookups 3763.0 Ops/sec
Array to Map + Map.get, 100 lookups 3353.8 Ops/sec
Array.find, 10 lookups 11372.1 Ops/sec
Array.find, 100 lookups 768.4 Ops/sec
Script Preparation code:
Tests:
  • Array.find, 10 000 elements

  • Map.get, 10 000 elements

  • Array.find, 1 000 000 elements

  • Map.get, 1 000 000 elements

  • Array to Map + Map.get, 1 lookup

  • Array to Map + Map.get, 10 lookups

  • Array to Map + Map.get, 100 lookups

  • Array.find, 10 lookups

  • Array.find, 100 lookups