Benchmark: Object Hash - MeasureThat.net

Script Preparation code:

function hash(query){
  return Object.keys(query).reduce(function(hash, key){
    let pair = key + ':' + query[key];
    if(hash){
      return hash + '/' + key;
    }
    return key;
  });
}
var test = { a: 10, b: null, c: "test" };

Tests:

Hash
hash(test);
JSON.stringify
JSON.stringify(test);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Hash
JSON.stringify

Fastest: N/A

Slowest: N/A

Latest run results:

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

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark definition and test cases to understand what's being tested, compared, and the pros/cons of different approaches.

**Benchmark Definition:**

The benchmark measures two JavaScript functions:

1. `hash(query)`: This function takes an object as input and returns a string representation of its contents.
2. `JSON.stringify(test)` : This is a built-in JavaScript method that converts an object to a JSON string.

**Options compared:**

In this benchmark, the following options are being compared:

* The time taken by `hash(query)` vs. `JSON.stringify(test)`
* These two approaches have different performance characteristics:
	+ `hash(query)` creates a custom string representation of the input object by concatenating key-value pairs and separating them with `/`. This approach is likely to be slower because it involves more complex logic.
	+ `JSON.stringify(test)`, on the other hand, uses a built-in method that is optimized for performance. It serializes the object into a JSON string, which is a widely adopted format for exchanging data between systems.

**Pros and Cons:**

* **`hash(query)`**
	+ Pros:
		- Provides a custom string representation of the input object.
		- May be useful in specific scenarios where a standard JSON representation isn't sufficient.
	+ Cons:
		- Slower performance due to the custom logic.
		- More complex and harder to understand, especially for those unfamiliar with the implementation.
* **`JSON.stringify(test)`**
	+ Pros:
		- Fast performance due to optimization by the browser.
		- Widely adopted format makes it easy to work with.
	+ Cons:
		- Limited control over the resulting string representation.

**Library and special JS feature:**

There is no explicit library mentioned in this benchmark. However, `JSON.stringify()` uses a built-in JavaScript method that relies on the browser's implementation of JSON serialization.

**Special JS feature:**

There are no special JavaScript features or syntax used in this benchmark.

**Other alternatives:**

If you were to write a similar benchmark, you might consider adding more test cases to compare different approaches, such as:

* Using `Array.prototype.map()` to create a custom string representation.
* Utilizing a library like Lodash for its string manipulation functions.
* Implementing a custom serialization algorithm that balances performance and control.

Keep in mind that the choice of approach depends on your specific requirements and constraints. This benchmark provides a good starting point for comparing different methods, but you may need to adapt or extend it based on your needs.

Related benchmarks:

Object Hash (version: 0)

Comparing performance of: Hash vs JSON.stringify

Created: 7 years ago by: Guest

Jump to the latest result

Hash

JSON.stringify

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):