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kmionnomi
(version: 0)
nj
Comparing performance of:
push vs spread vs concat vs spread in new const
Created:
4 years ago
by:
Guest
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Script Preparation code:
let hello = [1, 2];
Tests:
push
let hello = [1, 2]; hello.push(3);
spread
let hello = [1, 2]; hello = [...hello, 3]
concat
let hello = [1, 2]; hello.concat(3)
spread in new const
const hello = [1, 2]; const newHello = [...hello, 3];
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (4)
Previous results
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Test case name
Result
push
spread
concat
spread in new const
Fastest:
N/A
Slowest:
N/A
Latest run results:
No previous run results
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'll explain the provided benchmark in detail. **Benchmark Definition** The benchmark definition is a JSON object that contains metadata about the benchmark. Here's what each field represents: * `Name`: The name of the benchmark. * `Description`: A brief description of the benchmark (in this case, just a single character "n" followed by a space). * `Script Preparation Code`: A JavaScript code snippet that prepares the script for execution. In this case, it creates an array `[1, 2]` and assigns it to a variable named `hello`. * `Html Preparation Code`: This field is empty in this benchmark. **Individual Test Cases** The benchmark consists of four individual test cases, each with its own definition: 1. **push**: The script preparation code remains the same as before: `let hello = [1, 2];`. However, the execution code is added to push the number `3` onto the array. 2. **spread**: Similar to the previous test case, the script preparation code creates an array `[1, 2]` and assigns it to a variable named `hello`. The execution code uses the spread operator (`...`) to create a new array by concatenating `hello` with the number `3`. 3. **concat**: In this test case, the script preparation code also creates an array `[1, 2]` and assigns it to a variable named `hello`. However, instead of using the spread operator, the execution code uses the `concat()` method to concatenate `hello` with the number `3`. 4. **spread in new const**: This test case is similar to the previous one, but it creates an expression for a constant (`const`) and uses the spread operator to create a new array by concatenating the existing array `[1, 2]` with the number `3`. **Libraries and Features** There are no explicit libraries used in these test cases. However, there is an implicit use of JavaScript's built-in features: * Arrays (`hello`) * Push method * Spread operator (`...`) * Concatenation using `concat()` method These features are part of the standard JavaScript language and do not require any external libraries. **Browser and Device Information** The latest benchmark result includes information about the browser used, device platform, operating system, and number of executions per second. This suggests that the benchmark is intended to compare the performance of different browsers running on a desktop operating system. **Other Alternatives** If you were to create similar benchmarks for other programming languages or frameworks, you could explore alternative approaches to testing array manipulation performance. Some possibilities include: * Using `List` classes or other container data structures in Java, C#, or .NET. * Employing array operations using NumPy in Python or Julia. * Utilizing vectorized operations in R or MATLAB. When creating benchmarks for your own programming languages or frameworks, consider the following best practices: 1. Choose representative use cases that reflect real-world scenarios. 2. Use clear and concise code to minimize interpretation errors. 3. Ensure consistent execution environments and configurations. 4. Consider using benchmarking libraries or frameworks that provide efficient and accurate results. By following these guidelines, you can create robust and reliable benchmarks that help you understand the performance characteristics of your programming language or framework.
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