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Run results for:
Memoization (Object, WeakMap)
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<iframe src="https://measurethat.net/Embed?id=563115" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:132.0) Gecko/20100101 Firefox/132.0
Browser:
Firefox 132
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
Object
998968.8 Ops/sec
Map
648764.8 Ops/sec
Tests:
Object
const memo = {} function fibonacci(n) { if (n <= 1) return n; if (memo[n]) return memo[n] memo[n] = fibonacci(n-1) + fibonacci(n-2) return memo[n] } fibonacci(40)
Map
const cache = new Map(); function fibonacci(n) { if (n <= 1) return n; if (cache.has(n)) { return cache.get(n); } cache.set(n, fibonacci(n-1) + fibonacci(n-2)) return cache.get(n) } fibonacci(40)