Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.5 Safari/605.1.15
Safari 18
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
Array.find, 10 000 elements 167133.3 Ops/sec
Map.get, 10 000 elements 252376992.0 Ops/sec
Array.find, 1 000 000 elements 455.9 Ops/sec
Map.get, 1 000 000 elements 236005616.0 Ops/sec
Array to Map + Map.get, 1 lookup 3639.4 Ops/sec
Array to Map + Map.get, 10 lookups 3727.0 Ops/sec
Array to Map + Map.get, 100 lookups 3695.0 Ops/sec
Array.find, 10 lookups 4603.4 Ops/sec
Array.find, 100 lookups 438.0 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