Benchmark: memoizer - MeasureThat.net

Tests:

Memoizer
function memoizer(func) { const cache = {}; return function() { const key = JSON.stringify(arguments); if (cache[key] !== undefined) { return cache[key]; } const result = func(...arguments); cache[key] = result; return result; }; } const fibonacci = n => { if (n <= 1) return 1; return fibonacci(n - 1) + fibonacci(n - 2); }; const cachedFibonacci = memoizer(fibonacci); const getCachedFibonacci = (limit = 1) => { const arr = []; for (let i = 0; i <= limit; i++) { arr.push(cachedFibonacci(i)); } return arr; }; getCachedFibonacci(30)
No Memoizer
const fibonacci = n => { if (n <= 1) return 1; return fibonacci(n - 1) + fibonacci(n - 2); }; const getFibonacci = (limit = 1) => { const arr = []; for (let i = 0; i <= limit; i++) { arr.push(fibonacci(i)); } return arr; }; getFibonacci(30)

Rendered benchmark preparation results:

Previous results

Test case name	Result
Memoizer
No Memoizer

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Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.75 Safari/537.36

Browser/OS: Chrome 86 on Mac OS X 10.15.7

Test name	Executions per second
Memoizer	17.2 Ops/sec
No Memoizer	17.2 Ops/sec

memoizer (version: 0)