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Array lodash uniq vs Set
(version: 0)
Comparing performance of:
Set vs lodash
Created:
3 years ago
by:
Guest
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HTML Preparation code:
<script src='https://cdn.jsdelivr.net/npm/lodash@4.14.165/lodash.min.js'></script>
Tests:
Set
var l = new Set([1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7]); return l;
lodash
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)
Previous results
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Test case name
Result
Set
lodash
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'll do my best to explain the benchmark and its results. **What is being tested?** The provided JSON represents two JavaScript microbenchmarks that compare the performance of two data structures: `Set` (a built-in JavaScript object) and `lodash uniq` (a function from the Lodash library). **Options compared** In this benchmark, we have two options: 1. **Set**: An instance of the built-in `Set` object in JavaScript. A Set is a collection of unique values, which can be used to remove duplicates. 2. **Lodash uniq**: The `uniq` function from the Lodash library. This function takes an array as input and returns a new array with duplicate elements removed. **Pros and cons** * **Set**: + Pros: Built-in JavaScript object, no external dependencies required. + Cons: May not be suitable for large datasets due to performance issues and limitations in handling duplicate values. * **Lodash uniq**: + Pros: Fast and efficient, well-maintained library with extensive testing and support. + Cons: Requires an external dependency (the Lodash library), which may not be desirable for all use cases. **Library usage** The `Set` data structure is a built-in JavaScript object, so no additional dependencies are required. On the other hand, the `lodash uniq` function relies on the Lodash library, which needs to be included in the test environment (in this case, via an HTML script tag). **Special JS feature/syntax** There doesn't appear to be any special JavaScript features or syntax used in these benchmarks. **Benchmark preparation code** The provided JSON includes a script tag that loads the Lodash library. This is necessary for the `lodash uniq` benchmark to work correctly. **Other alternatives** If we were to consider other alternatives, we might look at: 1. Using a custom implementation of `uniq` instead of relying on the Lodash library. 2. Comparing the performance of other data structures, such as arrays or Map objects. 3. Adding additional test cases that simulate real-world scenarios, such as large datasets or edge cases. In summary, this benchmark compares the performance of two options for removing duplicates from an array: a built-in `Set` object and the `lodash uniq` function. The results provide insight into the relative performance of these alternatives in a controlled environment.
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