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(version: 0)
Test on isEqual performance
Comparing performance of:
sum vs array
Created:
6 years ago
by:
Guest
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Script Preparation code:
window.bool1 = Math.random() >= 0.5; window.bool2 = Math.random() >= 0.5; window.bool3 = Math.random() >= 0.5;
Tests:
sum
var result = 0 + !bool1 + !bool2 + !bool3
array
var result = [bool1,bool2,bool3].filter(e=>e).length
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
sum
array
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down what's being tested in the provided JSON. **Benchmark Definition** The benchmark definition is an object that contains the code for each individual test case. There are two test cases: 1. "sum": This test case checks the performance of the `!=` operator when used with booleans. 2. "array": This test case checks the performance of filtering an array using the `.filter()` method. **Script Preparation Code** The script preparation code is a JavaScript snippet that sets up variables before running each test case. In this case, three random boolean values are assigned to `window.bool1`, `window.bool2`, and `window.bool3`. **Html Preparation Code** There is no HTML preparation code provided, which means that the benchmark does not involve any DOM-related operations. **Options Compared** The two test cases compare the performance of different approaches: 1. "sum": This test case checks the performance of a simple arithmetic expression using the `!=` operator. 2. "array": This test case checks the performance of filtering an array using the `.filter()` method. **Pros and Cons** Here are some pros and cons of each approach: 1. "sum": * Pros: + Simple and easy to understand. + Fast execution since it's a simple arithmetic expression. * Cons: + May not accurately represent real-world scenarios where booleans are used in more complex expressions. 2. "array": * Pros: + More representative of how booleans are used in real-world code (e.g., array filtering, conditional statements). * Cons: + May be slower due to the overhead of creating and filtering an array. **Other Considerations** When choosing between these two approaches, consider the following: * If you're looking for a simple, fast benchmark that focuses on the `!=` operator, "sum" might be a better choice. * If you want a more representative benchmark that simulates real-world scenarios where booleans are used in arrays or conditional statements, "array" is a better option. **Special JS Features/Syntax** There are no special JavaScript features or syntax mentioned in the provided JSON. However, it's worth noting that some older browsers may not support the `const` keyword (used to declare variables without reassignment) or the `let` and `const` keywords for variable declarations. If you wanted to add additional test cases or modify these existing ones, consider exploring other JavaScript features like closures, prototypes, or more complex array methods (e.g., `map()`, `reduce()`).
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