Benchmark: JSON stringily - MeasureThat.net

Tests:

JSON stringify empty object
const test = JSON.stringify({})
Just empty string assignment
const test = '{}';

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
JSON stringify empty object
Just empty string assignment

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and its test cases.

**Benchmark Definition**
The benchmark is defined by a JSON string, which represents a JavaScript expression or code snippet that is being measured for performance. In this case, there are two benchmark definitions:

1. `const test = JSON.stringify({})`: This code creates an empty object using the `{}` syntax and then passes it to the `JSON.stringify()` function.
2. `const test = '{}';`: This code simply assigns an empty string to a variable named `test`.

**Options Compared**
These two benchmark definitions compare the performance of:

* Using the `{}` syntax to create an object (benchmark 1)
* Using a string literal (`''`) to represent an empty value (benchmark 2)

**Pros and Cons**

* Using the `{}` syntax:
	+ Pros: It is a more idiomatic way to create an empty object in JavaScript. It also allows for creating objects with additional properties.
	+ Cons: It might lead to performance differences due to the way JavaScript engines handle object creation and parsing.
* Using a string literal (`''`):
	+ Pros: It is a simple and concise way to represent an empty value, which can be faster in terms of execution time.
	+ Cons: It does not provide any information about the contents or structure of the data.

**Library**
There is no library explicitly mentioned in the benchmark definition. However, `JSON.stringify()` is a built-in JavaScript function that uses the ECMAScript 5 (ES5) specification to serialize JavaScript objects into a JSON string.

**Special JS Feature/Syntax**
Neither of the benchmark definitions uses any special JavaScript features or syntax. They are simple and straightforward expressions that can be executed by most modern JavaScript engines.

**Other Considerations**

* The `JSON.stringify()` function is an expensive operation, especially for large objects. This might lead to performance differences between the two benchmarks.
* Some JavaScript engines might optimize the `{}` syntax creation process more than the string literal approach.
* The test cases only measure the execution time of these simple expressions, which might not accurately represent real-world scenarios where JSON serialization is used.

**Alternatives**

Other alternatives for testing JSON-related benchmark could include:

* Creating larger objects and measuring the time it takes to serialize them
* Comparing different JSON parsing libraries or implementations (e.g., jQuery's `json()` function)
* Testing the performance of various data formats, such as CSV or XML

By exploring these alternative test cases, you can gain a better understanding of how JavaScript engines handle complex JSON-related scenarios.

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.5 Safari/605.1.15

Browser/OS: Safari 15 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
JSON stringify empty object	6238916.0 Ops/sec
Just empty string assignment	487741920.0 Ops/sec

Related benchmarks:

JSON stringily (version: 0)

Comparing performance of: JSON stringify empty object vs Just empty string assignment

Created: 2 years ago by: Guest

Jump to the latest result

JSON stringify empty object

Just empty string assignment

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):