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lodash uniq vs set into array
(version: 0)
Comparing performance of:
Set vs Array
Created:
3 years ago
by:
Guest
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HTML Preparation code:
<script src='https://cdn.jsdelivr.net/npm/lodash@4.17.10/lodash.min.js'></script>
Tests:
Set
var l = Array.from(new Set([1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7])); return l;
Array
var l = [1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7]; return _.uniq(l);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
Set
Array
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'll break down the provided benchmark and explain what's being tested, compared options, pros and cons, library usage, special JavaScript features, and alternatives. **Benchmark Overview** The test case measures the performance of two approaches to remove duplicates from an array: 1. Using the `Set` data structure in JavaScript. 2. Using the `uniq` function from the Lodash library. **Options Compared** * **Set**: This approach uses a built-in JavaScript object, `Set`, which is designed for efficient storage and lookup of unique values. * **Array (Lodash)**: This approach uses the `uniq` function from Lodash, which converts an array to a set and then back to an array, removing duplicates. **Pros and Cons** * **Set**: + Pros: - Built-in JavaScript object, no additional library required. - Fast lookup and insertion operations. - Cons: - May not be suitable for very large datasets due to memory constraints. - Not as readable or intuitive as using an array-based approach with Lodash. * **Array (Lodash)**: + Pros: - More readable and intuitive than using a `Set`. - Can handle larger datasets due to the laziness of the `uniq` function. - Cons: - Requires the addition of a library, which may increase overhead. - May be slower than the pure `Set` approach. **Library Usage** The Lodash library is used in the "Array" test case for its `uniq` function. The purpose of this function is to remove duplicate values from an array while preserving the original order. **Special JavaScript Features (Not Applicable)** There are no special JavaScript features or syntax being tested in this benchmark. **Alternatives** Other alternatives to compare would be: * Using a custom implementation that manually removes duplicates from the array. * Using a different library, such as `es6-set`, which is another popular JavaScript set library. * Comparing the performance of these approaches using a more advanced benchmarking tool or framework, such as Benchmark.js. It's worth noting that the test case only measures the performance of these two specific approaches, and there may be other factors to consider when choosing between them in a real-world application.
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