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from vs stat1
(version: 0)
Testing the difference between creating filled arrays.
Comparing performance of:
stat vs Array.from()
Created:
2 years ago
by:
Guest
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Tests:
stat
const test2 =()=> [0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1];
Array.from()
const test1 = ()=>Array.from(Array(11).keys(), (i) => i / 10);
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Suite status:
<idle, ready to run>
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Test case name
Result
stat
Array.from()
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.1:latest
, generated one year ago):
Let's dive into the explanation of the benchmark. **Benchmark Description** The benchmark is called "from vs stat1" and its purpose is to compare the performance difference between two ways of creating filled arrays in JavaScript. **Individual Test Cases** There are two test cases: 1. **"stat"**: This test case uses a simple way to create an array with 11 elements, each representing a decimal value from 0 to 1. The code snippet is: ```javascript const test2 = () => [0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1]; ``` This code is using a literal array syntax to create the array. 2. **"Array.from()"**: This test case uses the `Array.from()` method to create an array with 11 elements, each representing a decimal value from 0 to 1. The code snippet is: ```javascript const test1 = () => Array.from(Array(11).keys(), (i) => i / 10); ``` This code is using the `Array.from()` method in conjunction with the `keys()` method of an array to create the desired array. **Library/Feature Used** No specific library or JavaScript feature is used in this benchmark. The only two methods used are built-in JavaScript methods: `Array.from()` and literal array syntax. **Options Compared** The two test cases compare the performance difference between: * Creating a filled array using a simple literal array syntax (`stat` case) * Using the `Array.from()` method to create an array with elements generated from another array (`Array.from()` case) **Pros/Cons of Different Approaches** The pros and cons of each approach are as follows: * **Literal Array Syntax (Stat Case)**: + Pros: Simple, easy to read, and maintain. + Cons: May be less efficient than other methods, especially for large arrays. * **Array.from() Method**: + Pros: More flexible and can handle larger arrays efficiently. + Cons: Slightly more complex syntax compared to literal array syntax. **Other Considerations** When deciding which method to use, consider the following: * If you need to create a small array with a fixed number of elements, literal array syntax might be sufficient. * For larger arrays or when performance is critical, using `Array.from()` method can provide better results. * Be aware that both methods have their own trade-offs, and the choice ultimately depends on your specific use case. **Other Alternatives** Some other alternatives to consider for creating filled arrays are: * Using a loop to push elements onto an empty array * Using the `Map` constructor to create a map with key-value pairs, then converting it to an array using the `Array.from()` method Keep in mind that these alternatives may have their own performance implications and should be considered on a case-by-case basis.
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