Benchmark: simpleStringify vs JSON.stringify BUNCH OF OBJECTS

Script Preparation code:

function simpleStringify(o) {
  let cache = [];
  let data = JSON.stringify(o, function(key, value) {
    if (typeof value === "object" && value !== null) {
      if (cache.indexOf(value) !== -1) {
        // Circular reference found, discard key
        return;
      }
      // Store value in our collection
      cache.push(value);
    }
    return value;
  });
  cache = null;
  return data;
}
var testData = [
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},  
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},
    {"bar":"foo"},                    
]

Tests:

simpleStringify
simpleStringify(testData);
JSON.stringify
JSON.stringify(testData)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
simpleStringify
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 dive into the world of MeasureThat.net and explore what's being tested in this benchmark.

**What is being tested?**

The provided JSON represents two test cases:

1. `simpleStringify(testData)`: This test case measures the performance of a custom JavaScript function, `simpleStringify`, which takes an object as input and returns its string representation. The twist is that it also keeps track of circular references to optimize the stringification process.
2. `JSON.stringify(testData)`: This test case measures the performance of the built-in `JSON.stringify()` method from the ECMAScript standard.

**Options being compared**

In this benchmark, two options are being compared:

1. **Custom implementation (simpleStringify)**: The custom function tries to optimize the stringification process by storing circular references in an array. This approach can potentially reduce memory usage and improve performance.
2. **Built-in implementation (JSON.stringify)**: The built-in method is a standard part of JavaScript, providing a tried-and-tested way to convert objects to strings.

**Pros and Cons**

**Custom implementation (simpleStringify):**

Pros:

* Can potentially reduce memory usage by storing circular references
* May provide better performance in certain scenarios

Cons:

* Requires more code and complexity compared to the built-in method
* May introduce additional overhead due to the custom logic

**Built-in implementation (JSON.stringify):**

Pros:

* Easy to use and maintain, as it's a standard part of JavaScript
* Well-tested and optimized for performance

Cons:

* May not provide optimal performance in all scenarios, especially when dealing with large datasets or complex objects

**Other considerations**

When evaluating these two options, consider the following factors:

* Memory usage: If memory is a concern, the custom implementation might be beneficial. However, it's essential to ensure that the added complexity doesn't lead to performance degradation.
* Code maintainability: The built-in method is a well-maintained part of JavaScript, making it easier to understand and modify.
* Performance characteristics: Both options have different performance profiles. The custom implementation may excel in scenarios where circular references are common, while the built-in method might be faster for simpler cases.

**Special JS features or syntax**

There are no special JS features or syntax mentioned in this benchmark. However, it's worth noting that the `JSON.stringify()` method has some nuances, such as:

* It can handle circular references by using a reference counter (introduced in ECMAScript 2015).
* It can also be used to convert objects to JSON strings, which is useful for data serialization.

**Alternatives**

If you're interested in exploring alternative stringification methods or optimizing performance in JavaScript, consider the following:

1. **String.prototype.hasOwnProperty()**: This method can help detect circular references and optimize the stringification process.
2. **Custom stringifier libraries**: There are various third-party libraries available that provide optimized stringification methods, such as `lodash.stringify()` or `json-stringify-safe()`.
3. **ES6+ features**: If you're working with modern browsers or Node.js, consider using ES6+ features like `JSON.stringify()` and its optional configuration options (e.g., `reviver`) to optimize performance.

Keep in mind that these alternatives might not provide the same level of optimization as the custom implementation in this benchmark.

Related benchmarks:

simpleStringify vs JSON.stringify BUNCH OF OBJECTS (version: 0)

Comparing performance of: simpleStringify vs JSON.stringify

Created: 5 years ago by: Guest

Jump to the latest result

simpleStringify

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):