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Proba 123
(version: 0)
Proba 123
Comparing performance of:
klasicno vs funkcionalno
Created:
6 years ago
by:
Guest
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Tests:
klasicno
//klasicno var korpa = [ { artikal: 'brasno', kolicina: 2, cena: 50}, { artikal: 'kvasac', kolicina: 5, cena: 10}, { artikal: 'mleko', kolicina: 3, cena: 90}, { artikal: 'voda', kolicina: 10, cena: 50}, { artikal: 'pivo', kolicina: 12, cena: 70} ]; var racun = 0; for (var i = 0; i < korpa.length; i++) racun += korpa[i].cena * korpa[i].kolicina; console.log(racun);
funkcionalno
//funkcionalno var korpa = [ { artikal: 'brasno', kolicina: 2, cena: 50}, { artikal: 'kvasac', kolicina: 5, cena: 10}, { artikal: 'mleko', kolicina: 3, cena: 90}, { artikal: 'voda', kolicina: 10, cena: 50}, { artikal: 'pivo', kolicina: 12, cena: 70} ]; var racun = korpa.reduce((suma, lista) => suma + lista.cena * lista.kolicina, 0); console.log(racun);
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Test case name
Result
klasicno
funkcionalno
Fastest:
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Autogenerated LLM Summary
(model
gemma2:9b
, generated one year ago):
This benchmark compares two approaches to calculating the total price of items in a shopping cart. **Test Case Breakdown:** * **klasicno (Classic):** This approach uses a traditional `for` loop to iterate through each item in the `korpa` array. For every item, it multiplies the `cena` (price) by `kolicina` (quantity) and adds the result to the `racun` (total) variable. * **funkcionalno (Functional):** This approach utilizes the `reduce()` method, a functional programming paradigm in JavaScript. It iterates through each item (`lista`) in the `korpa` array and applies a callback function (`suma => suma + lista.cena * lista.kolicina`). This function accumulates the total price by adding the price of each item to the running sum (`suma`). **Pros and Cons:** * **klasicno (Classic):** * **Pros:** More straightforward syntax, easier to understand for beginners. * **Cons:** Can be less concise than functional approaches, may not scale as efficiently for large datasets. * **funkcionalno (Functional):** * **Pros:** More concise and expressive, can often be more efficient for processing arrays due to optimized implementations in JavaScript engines. * **Cons:** Might require a deeper understanding of functional programming concepts, potentially less readable for beginners. **Alternatives:** While the benchmark focuses on these two approaches, other alternatives exist: * **Libraries:** Libraries like Lodash offer optimized versions of `reduce()` and other array manipulation functions that could potentially be faster than manual implementations. * **Tail Recursion:** For specific scenarios, tail recursion (a type of recursive function where the last operation performed is a recursive call) can be optimized by JavaScript engines for better performance. **Important Considerations:** * **Microbenchmark Limitations:** Microbenchmarks measure very small code snippets in isolation. Real-world performance depends on many factors beyond these isolated tests. * **Optimization Tradeoffs:** Choosing the most efficient approach often involves tradeoffs between readability, maintainability, and performance gains.
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