Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:130.0) Gecko/20100101 Firefox/130.0
Firefox 130
Windows
Desktop
4 months ago
Test name Executions per second
Array.find, 10 000 elements 28089.8 Ops/sec
Map.get, 10 000 elements 838326848.0 Ops/sec
Array.find, 1 000 000 elements 196.7 Ops/sec
Map.get, 1 000 000 elements 911794176.0 Ops/sec
Array to Map + Map.get, 1 lookup 1138.2 Ops/sec
Array to Map + Map.get, 10 lookups 1158.7 Ops/sec
Array to Map + Map.get, 100 lookups 1119.4 Ops/sec
Array.find, 10 lookups 3795.2 Ops/sec
Array.find, 100 lookups 343.7 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