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aaaasasasa
(version: 0)
iojoijioj
Comparing performance of:
on vs tw
Created:
4 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
const params = [1,2,3,4,5] let one = params.splice(); let two = [...params]
Tests:
on
const params = [1,2,3,4,5] let one = params.splice();
tw
const params = [1,2,3,4,5] let two = [...params]
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
on
tw
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the world of JavaScript microbenchmarks on MeasureThat.net. **What is being tested?** The provided JSON represents a benchmark definition, which outlines what is being measured and compared in the test cases. Specifically: * The script preparation code is executed: `const params = [1,2,3,4,5]\r\nlet one = params.splice();\r\nlet two = [...params]` * Two different approaches are being compared: + Approach 1 (marked as "on"): Using `splice()` on an array and assigning the result to a variable (`one`). + Approach 2 (marked as "tw"): Creating a new array by spreading the original array (`two = [...params]`). **Options compared** Two main options are being compared: 1. **Approach 1: Using `splice()`**: This method modifies the original array and returns an array with the elements removed from the specified index. 2. **Approach 2: Creating a new array by spreading**: This method creates a shallow copy of the original array, leaving it unchanged. **Pros and cons** Here's a brief summary of the pros and cons of each approach: * **Approach 1 (Using `splice()`)**: + Pros: - Efficient for large arrays, as it avoids creating a new object reference. - May be faster due to the simplicity of the operation. + Cons: - Modifies the original array, which can be unexpected behavior if the array is intended to remain unchanged. - Can lead to performance issues if the modified array is reused in subsequent operations. * **Approach 2 (Creating a new array by spreading)**: + Pros: - Creates a copy of the original array, leaving it unchanged. - Avoids modifying the original array, which can prevent unexpected behavior. + Cons: - May be slower due to the creation of a new object reference. **Other considerations** * The benchmark measures the execution time per second for each approach, indicating that the goal is to determine which method provides better performance. * The test cases are designed to evaluate the impact of using `splice()` versus creating a new array by spreading on the performance of the script. * The MeasureThat.net platform allows users to create and share their own benchmark definitions, providing a community-driven way to compare different JavaScript approaches. **Library and special JS feature** There is no explicit library used in this benchmark definition. However, `Array.prototype.splice()` is a built-in method in JavaScript, which suggests that the test focuses on the native functionality of JavaScript arrays rather than third-party libraries. **No special JS features or syntax mentioned** In this case, there are no specific JavaScript features or syntaxes being tested or utilized beyond the standard methods and data structures described above.
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