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Sum vs Reduce comparision
(version: 0)
Comparing performance of:
lodash sum vs javascript reduce
Created:
5 years ago
by:
Guest
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HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
Script Preparation code:
var tabs = Array.from(Array(1000000)).map(x => Math.random())
Tests:
lodash sum
console.log(_.sum(tabs) );
javascript reduce
console.log(tabs.reduce((a,b) => a+b) );
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
lodash sum
javascript reduce
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down what's being tested in this JavaScript benchmark. **Benchmark Overview** The website is testing the performance of two approaches to sum up an array of random numbers: using the `_.sum()` function from the Lodash library, and using the native JavaScript `reduce()` method. **Options Compared** There are two options being compared: 1. **Lodash's `_sum()` function**: This function takes an array as input and returns the sum of all its elements. It uses a optimized implementation under the hood. 2. **Native JavaScript `reduce()` method**: This method applies a reduction function to each element in the array, accumulating a result. **Pros and Cons** **Lodash's `_sum()` function:** Pros: * Optimized implementation for performance * Provides a convenient and readable way to sum up an array Cons: * Requires Lodash library to be included (as shown in the `Html Preparation Code`) * May introduce additional overhead due to the inclusion of external library **Native JavaScript `reduce()` method:** Pros: * Built-in and optimized for performance * Does not require any external libraries * Can provide more control over the summation process Cons: * Requires a good understanding of the syntax and behavior of the `reduce()` method * May have slightly slower performance compared to Lodash's `_sum()` function due to additional overhead **Library: Lodash** Lodash is a popular JavaScript utility library that provides a wide range of functions for tasks such as array manipulation, string manipulation, and more. In this benchmark, Lodash's `_sum()` function is used to sum up the array of random numbers. **Special JS Feature/Syntax** There is no special JavaScript feature or syntax being tested in this benchmark. The code uses standard JavaScript syntax and features. **Other Alternatives** If you want to test other approaches to summing up an array, here are some alternatives: * Using `Array.prototype.reduce()` without the arrow function syntax (`reduce(function(a,b) { return a+b; })`) * Using `Array.prototype.forEach()` with a callback function that returns the sum of each element in the array * Using a custom implementation using a simple loop or recursive function Note that these alternatives may have different performance characteristics and requirements, depending on the specific use case.
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