Benchmark: TEstdfsdfs - MeasureThat.net

Tests:

psu
var a = [{"Aidan Gillen": {"array": ["Game of Thron\"es","The Wire"],"string": "some string","int": 2,"aboolean": true, "boolean": true,"object": {"foo": "bar","object1": {"new prop1": "new prop value"},"object2": {"new prop1": "new prop value"},"object3": {"new prop1": "new prop value"},"object4": {"new prop1": "new prop value"}}},"Amy Ryan": {"one": "In Treatment","two": "The Wire"},"Annie Fitzgerald": ["Big Love","True Blood"],"Anwan Glover": ["Treme","The Wire"],"Alexander Skarsgard": ["Generation Kill","True Blood"], "Clarke Peters": null}]; console.log(a.push(123));
spread
var a = [{"Aidan Gillen": {"array": ["Game of Thron\"es","The Wire"],"string": "some string","int": 2,"aboolean": true, "boolean": true,"object": {"foo": "bar","object1": {"new prop1": "new prop value"},"object2": {"new prop1": "new prop value"},"object3": {"new prop1": "new prop value"},"object4": {"new prop1": "new prop value"}}},"Amy Ryan": {"one": "In Treatment","two": "The Wire"},"Annie Fitzgerald": ["Big Love","True Blood"],"Anwan Glover": ["Treme","The Wire"],"Alexander Skarsgard": ["Generation Kill","True Blood"], "Clarke Peters": null}]; console.log([...a, 123]);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
psu
spread

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

This benchmark does not have any results yet. Be the first one to run it!

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

I'll break down the provided JSON and explain what's being tested, compared, and the pros/cons of each approach.

**Benchmark Definition**

The benchmark is created using JavaScript, where users can define their own microbenchmarks. The provided JSON defines two test cases: "psu" (push with string) and "spread". However, it seems that only the script preparation code and individual test cases are provided.

**Script Preparation Code**

There is no script preparation code or HTML preparation code provided in the benchmark definition. This means that the benchmark is likely to be a simple JavaScript function that performs the operation being tested.

**Individual Test Cases**

Each test case consists of a single line of JavaScript code, which defines an array `a` with various properties (e.g., strings, numbers, booleans) and nested objects. The tests compare two approaches:

1. **Push with string**: `console.log(a.push(123));`
2. **Spread operator**: `console.log([...a, 123]);`

**Comparison**

The benchmark compares the performance of these two approaches on different browsers (Chrome 74), devices (Desktop), and operating systems (Mac OS X 10.14.5).

**Pros and Cons:**

1. **Push with string**:
	* Pros: Simple and concise.
	* Cons: May not be efficient due to the overhead of the `push()` method, which involves multiple operations (e.g., array indexing, incrementing the length property).
2. **Spread operator**:
	* Pros: More efficient for creating a new array by copying the elements from an existing array, with a time complexity of O(n), where n is the number of elements in the original array.
	* Cons: May have higher overhead due to the creation of a new array and the use of the spread operator.

**Library Usage**

There are no libraries explicitly mentioned in the benchmark definition. However, the use of the `push()` method and the spread operator (`...`) relies on the built-in JavaScript array methods.

**Special JS Features or Syntax**

The use of template literals (e.g., `"Game of Thron\\\"es"`), string interpolation (e.g., `"some string"`), and the spread operator (`...`) are part of modern JavaScript features. The benchmark appears to support these features, but it's unclear whether older browsers may not support them.

**Other Alternatives**

Some alternative approaches could be considered for testing:

* Using `Array.prototype.concat()` instead of the spread operator.
* Using a library like Lodash or Ramda to simplify the code and potentially improve performance.
* Using a different data structure, such as an object with array-like properties, to compare the performance of various methods.

Keep in mind that these alternatives may not be relevant for this specific benchmark or may even introduce new complexities. The current implementation provides a clear comparison between two approaches using modern JavaScript features.

Related benchmarks:

TEstdfsdfs (version: 0)

Comparing performance of: psu vs spread

Created: 6 years ago by: Guest

Jump to the latest result

psu

spread

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):