Benchmark: uint8Array MsgPack - json stringify vs string tostring on array

Script Preparation code:

var uint8Array = {
    "0": 146,
    "1": 131,
    "2": 172,
    "3": 109,
    "4": 97,
    "5": 116,
    "6": 101,
    "7": 114,
    "8": 105,
    "9": 97,
    "10": 108,
    "11": 84,
    "12": 121,
    "13": 112,
    "14": 101,
    "15": 168,
    "16": 82,
    "17": 69,
    "18": 83,
    "19": 79,
    "20": 85,
    "21": 82,
    "22": 67,
    "23": 69,
    "24": 162,
    "25": 105,
    "26": 100,
    "27": 161,
    "28": 49,
    "29": 166,
    "30": 97,
    "31": 109,
    "32": 111,
    "33": 117,
    "34": 110,
    "35": 116,
    "36": 164,
    "37": 49,
    "38": 48,
    "39": 48,
    "40": 48,
    "41": 131,
    "42": 172,
    "43": 109,
    "44": 97,
    "45": 116,
    "46": 101,
    "47": 114,
    "48": 105,
    "49": 97,
    "50": 108,
    "51": 84,
    "52": 121,
    "53": 112,
    "54": 101,
    "55": 168,
    "56": 82,
    "57": 69,
    "58": 83,
    "59": 79,
    "60": 85,
    "61": 82,
    "62": 67,
    "63": 69,
    "64": 162,
    "65": 105,
    "66": 100,
    "67": 161,
    "68": 50,
    "69": 166,
    "70": 97,
    "71": 109,
    "72": 111,
    "73": 117,
    "74": 110,
    "75": 116,
    "76": 164,
    "77": 49,
    "78": 48,
    "79": 48,
    "80": 48
}

Tests:

toString
uint8Array.toString()
JSON.stringify
JSON.stringify(uint8Array);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
toString
JSON.stringify

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 8 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:142.0) Gecko/20100101 Firefox/142.0

Browser/OS: Firefox 142 on Mac OS X 10.15

View result in a separate tab

Test name	Executions per second
toString	1622950528.0 Ops/sec
JSON.stringify	741983.1 Ops/sec

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 JavaScript microbenchmarks on MeasureThat.net.

**Benchmark Definition**

The benchmark measures the performance of two different approaches to convert a `uint8Array` to a string:

1. `uint8Array.toString()`
2. `JSON.stringify(uint8Array)`

These two functions are used to serialize the array, which is a process of converting it into a string representation that can be stored or transmitted.

**Options compared**

The benchmark compares the performance of two options:

1. **`toString()`**: This method converts each element of the array to its ASCII character representation and joins them together with empty strings in between.
2. **`JSON.stringify()`**: This method serializes the array using a JSON string format, which is a more structured and human-readable way to represent data.

**Pros and Cons**

**`toString()`**:

Pros:

* Simple and lightweight implementation
* Fast execution time

Cons:

* May not produce a human-readable output
* Can be brittle if the array contains non-ASCII characters or special characters

**`JSON.stringify()`**:

Pros:

* Human-readable output
* Robust against non-ASCII characters and special characters

Cons:

* More complex implementation
* Slower execution time compared to `toString()`

**Library**

In this benchmark, the `JSON` library is used, which provides a way to serialize data in a standardized format. The `JSON.stringify()` method uses this library to create a JSON string representation of the array.

**Special JS feature**

There is no special JS feature or syntax explicitly mentioned in this benchmark. However, it's worth noting that JavaScript has various features and methods for serializing data, such as `Buffer` objects, which can be used to convert binary data into a string format.

**Alternatives**

Other alternatives for serializing arrays in JavaScript include:

1. **`Array.prototype.join()`**: Similar to `toString()`, but uses an empty string separator instead.
2. **`Array.prototype.map()`**: Can be used to create a new array with the converted elements, which can then be joined together using `join()`.
3. **Third-party libraries**: There are several third-party libraries available for serializing data in JavaScript, such as `lodash.stringify()` or `xml-js`.

Overall, this benchmark provides a useful comparison between two common approaches to converting arrays to strings in JavaScript, highlighting the trade-offs between simplicity, readability, and performance.

Related benchmarks:

uint8Array MsgPack - json stringify vs string tostring on array (version: 0)

Comparing performance of: toString vs JSON.stringify

Created: 3 years ago by: Guest

Jump to the latest result

toString

JSON.stringify

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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