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Map vs Object 5000 rand
(version: 0)
Lookup of map vs object
Comparing performance of:
Map lookup vs Obj lookup
Created:
4 years ago
by:
Guest
Go to the latest result
Script Preparation code:
var map = new Map(); var obj = {}; function getRandomInt(max) { return Math.floor(Math.random() * max); } for(let i = 0 ; i < 5000 ; i++){ const randomNm = getRandomInt(10000); map.set(randomNm, randomNm); obj[randomNm] = randomNm; } var i = 0, count = 1000, a;
Tests:
Map lookup
for(let i = 0 ; i < 5000 ; i++){ const randomNm = getRandomInt(10000); a = map.get(randomNm); }
Obj lookup
for(let i = 0 ; i < 5000 ; i++){ const randomNm = getRandomInt(10000); a = obj[randomNm]; }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Map lookup
Obj lookup
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.1 Mobile/15E148 Safari/604.1
Browser/OS:
Mobile Safari 18 on iOS 18.1
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<iframe src="https://measurethat.net/Embed?id=568932" width="100%" height="500px"></iframe>
Obj lookup
1K/s
Map lookup
1K/s
View exact numbers
Test name
Executions per second
✓
Obj lookup
1,042 Ops/sec
Map lookup
1,020 Ops/sec
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