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
11 months ago
Test name Executions per second
Array.find, 10 000 elements 125523.8 Ops/sec
Map.get, 10 000 elements 127725456.0 Ops/sec
Array.find, 1 000 000 elements 610.7 Ops/sec
Map.get, 1 000 000 elements 122111624.0 Ops/sec
Array to Map + Map.get, 1 lookup 1237.1 Ops/sec
Array to Map + Map.get, 10 lookups 1885.2 Ops/sec
Array to Map + Map.get, 100 lookups 1859.7 Ops/sec
Array.find, 10 lookups 8967.6 Ops/sec
Array.find, 100 lookups 322.3 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