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Array.sort vs Math.max
(version: 0)
Comparing performance of:
Array.sort vs Math max
Created:
3 years ago
by:
Guest
Go to the latest result
Script Preparation code:
var v1 = 12345678.12345; var v2 = 23456789.01234; var arr = [v2, v1]
Tests:
Array.sort
var a = arr.sort(); var max = a[1];
Math max
var max = Math.max(v2, v1);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Array.sort
Math max
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 17_2_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.2 Mobile/15E148 Safari/604.1
Browser/OS:
Mobile Safari 17 on iOS 17.2.1
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=565746" width="100%" height="500px"></iframe>
Array.sort
7.2M/s
Math max
5.2M/s
View exact numbers
Test name
Executions per second
✓
Array.sort
7,241,832 Ops/sec
Math max
5,225,537 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided JSON benchmark definition and explain what is being tested, compared, and the pros/cons of each approach. **What is being tested?** The test compares two approaches to find the maximum value in an array: 1. `Array.sort()`: This method sorts the array in ascending order and returns a new sorted array. The maximum value can be found by accessing the last element of the sorted array (`arr[1]`). 2. `Math.max(v2, v1)`: This function takes two arguments and returns the largest of the two. **Options compared** The test compares these two approaches: * **Array.sort()**: This method is a built-in JavaScript function that sorts an array in-place. * **Math.max()**: This function is a built-in JavaScript function that finds the maximum value among its arguments. **Pros and cons of each approach** * **Array.sort()**: + Pros: Can be used for sorting arrays, but it has a time complexity of O(n log n), which can be slow for large datasets. + Cons: Sorts the entire array, which may not be necessary if only finding the maximum value is required. Also, returns a new sorted array, which may consume more memory than needed. * **Math.max()**: + Pros: Fast and efficient way to find the maximum value among two numbers. Does not require sorting an entire array. + Cons: Only finds the maximum value between two specified values. Not suitable for finding the maximum value in a large array. **Library usage** In this benchmark, none of the libraries are explicitly mentioned. However, if we were to analyze the provided script preparation code, it includes the `var` keyword and basic arithmetic operations (`12345678.12345`, `23456789.01234`). These are part of the standard JavaScript language. **Special JS feature or syntax** There is no mention of special JavaScript features or syntax in this benchmark. It only uses built-in functions like `Math.max()` and simple arithmetic operations. **Other alternatives** If you wanted to find the maximum value in an array, other approaches could include: * Using `Array.prototype.reduce()`: This method reduces an array to a single value by applying a callback function to each element. * Using `Array.prototype.map()`: This method creates a new array with transformed elements. You could use it along with `Math.max()` or another comparison function to find the maximum value. * Writing a custom loop that iterates through the array and keeps track of the maximum value found. Keep in mind that these alternatives may have different performance characteristics compared to using built-in functions like `Array.sort()` or `Math.max()`.
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Array.sort vs Math.min+Math.max
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