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isEqual
(version: 0)
Comparing performance of:
lodash vs set
Created:
2 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>
Script Preparation code:
window.arr1 = Array.from({ length: 40 }, () => Math.floor(Math.random() * 40)); window.arr2 = Array.from({ length: 40 }, () => Math.floor(Math.random() * 40)); function isSetEqual(xs, ys) { return xs.size === ys.size && [...xs].every((x) => ys.has(x)); }
Tests:
lodash
_.isEqual(window.arr1, window.arr2)
set
isSetEqual(new Set(window.arr1), new Set(window.arr2));
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
lodash
set
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 the provided benchmark JSON and explain what's being tested. **Benchmark Definition** The benchmark is defined by two test cases: 1. `lodash`: Tests the performance of the Lodash library, specifically the `isEqual` function, when comparing two arrays (`window.arr1` and `window.arr2`) generated randomly. 2. `set`: Tests the performance of a custom implementation (not shown in the JSON) that compares two sets created from the same random array. **Options Compared** In the Lodash test case: * The `isEqual` function is used to compare the two arrays. * There are no other options or variations being tested. In the `set` test case, there is only one option: using a set data structure to compare elements. There are no other approaches being compared. **Pros and Cons** For Lodash: * Pros: + Lodash provides an efficient and well-tested implementation of array comparison. + Reduces code duplication by providing a standardized function for array comparisons. * Cons: + Requires the inclusion of the Lodash library in the test environment, which may add overhead. For `set` approach: * Pros: + Uses a native JavaScript data structure, reducing the reliance on external libraries. + May be more efficient for small to medium-sized arrays due to the hash-based lookup of sets. * Cons: + The implementation is custom and might not be as optimized or tested as Lodash's `isEqual` function. + Requires careful consideration of set operations (e.g., insertions, deletions) that might affect performance. **Other Considerations** Both test cases are concerned with comparing arrays and sets. While they use different approaches, the underlying goal is to measure the performance of each method. It's worth noting that there are other alternatives for array comparisons, such as: * Using `Array.prototype.every()` and checking for set equality. * Implementing a custom comparison function using bitwise operations or regex patterns. However, these alternatives might not be as efficient or readable as Lodash's `isEqual` function or the `set` approach. **Library: Lodash** Lodash is a popular JavaScript utility library that provides various functions for array manipulation, string processing, and more. In this benchmark, Lodash is used to implement the `isEqual` function, which compares two arrays based on their elements and order. The `lodash.min.js` file is included in the test environment via a script tag, allowing the benchmark to execute the `isEqual` function without having to define it locally. No special JavaScript features or syntax are being tested in this benchmark.
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