Benchmark: Lodash sortBy vs orderBy 4.17.21

HTML Preparation code:


<script src='https://cdn.jsdelivr.net/npm/lodash@4.17.21/lodash.min.js'></script>

Script Preparation code:

function getRandomInt(max) {
  return Math.floor(Math.random() * Math.floor(max));
}

var arr = [];
for(var i = 0; i < 100000; i++){
  arr.push({value:getRandomInt(100)});
}

Tests:

_.sortBy
_.sortBy(arr,"value");
_.orderBy
_.orderBy(arr,"value");

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
_.sortBy
_.orderBy

Fastest: N/A

Slowest: N/A

Latest run results:

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Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

Let's break down what's being tested in the provided benchmark.

**Benchmark Definition JSON**

The benchmark is comparing two Lodash functions: `sortBy` and `orderBy`. The script preparation code generates an array of 100,000 objects with random "value" properties. This data will be used to test the sorting performance of both functions.

**Options Compared**

Two options are being compared:

1. **_.sortBy(arr, "value")**: sorts the array in ascending order based on the "value" property.
2. **_.orderBy(arr, "value")**: sorts the array in descending order based on the "value" property.

**Pros and Cons of Each Approach**

**_.sortBy(arr, "value")**:

Pros:

* Sorts in ascending order by default, which might be more intuitive for users who are familiar with this behavior.
* Can be optimized for faster performance when sorting in ascending order.

Cons:

* Might not perform as well when sorting in descending order due to the overhead of reversing the sorted array.

**_.orderBy(arr, "value")**:

Pros:

* Sorts in descending order by default, which can be beneficial when users want to prioritize larger values.
* Can avoid unnecessary reordering steps by using a stable sort algorithm.

Cons:

* Might not be as intuitive for users who are familiar with sorting in ascending order.
* May require additional optimization for faster performance when sorting in descending order.

**Library and Its Purpose**

Lodash is a popular JavaScript utility library that provides various functional programming helpers, including `sortBy` and `orderBy`. These functions use stable sorting algorithms (e.g., merge sort) to ensure predictable results and minimize side effects. The `_.sortBy` function takes an additional option `compare` to customize the sorting behavior, while `_.orderBy` uses a default `compare` function that sorts in ascending order.

**Special JS Feature or Syntax**

None of the benchmark test cases use any special JavaScript features or syntax beyond standard ES6+ syntax and Lodash functions. However, it's worth noting that Lodash's stable sorting algorithms can be affected by specific JavaScript implementations' quirks or edge cases, which might impact performance in certain scenarios.

**Other Alternatives**

If you're looking for alternative libraries or approaches for sorting arrays, consider:

1. **Array.prototype.sort()**: the built-in JavaScript method that uses a variant of merge sort.
2. **Ramda's sortBy and orderBy functions**: similar to Lodash's implementations but with a different API and some additional features.
3. **SortedArray class**: a lightweight, in-memory data structure for sorted arrays, which can be useful when performance is critical.

Keep in mind that the choice of sorting library or approach ultimately depends on your specific use case, performance requirements, and personal preference.

Related benchmarks:

Lodash sortBy vs orderBy 4.17.21 (version: 0)

Lodash sortBy vs orderBy

Comparing performance of: _.sortBy vs _.orderBy

Created: 4 years ago by: Guest

Jump to the latest result

_.sortBy

_.orderBy

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):