Benchmark: sha1-js-rusha-vs-native-10mb

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/rusha@0.8.14/dist/rusha.min.js"></script>

Script Preparation code:

var data = new Uint32Array(10*1024*1024);
var dataBuffer = new Uint8Array(data);
  
  
  // src: https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto/digest
  function hex(buffer) {
    var hexCodes = [];
    var view = new DataView(buffer);
    for (var i = 0; i < view.byteLength; i += 4) {
      // Using getUint32 reduces the number of iterations needed (we process 4 bytes each time)
      var value = view.getUint32(i)
      // toString(16) will give the hex representation of the number without padding
      var stringValue = value.toString(16)
      // We use concatenation and slice for padding
      var padding = '00000000'
      var paddedValue = (padding + stringValue).slice(-padding.length)
      hexCodes.push(paddedValue);
    }
  
    // Join all the hex strings into one
    return hexCodes.join("");
  }

Tests:

rusha
Rusha.createHash().update(dataBuffer).digest('hex');
native
crypto.subtle.digest("SHA-1", dataBuffer ).then(function (hash) {console.log(hex(hash));});

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
rusha
native

Fastest: N/A

Slowest: N/A

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

LLMs can make mistakes. Check important info.

Let's dive into the explanation of the provided benchmark.

**Benchmark Definition**

The benchmark is comparing two approaches to calculate the SHA-1 hash of a large buffer (10MB) using JavaScript:

1. **Rusha**: A JavaScript library that provides a simplified way to create hashes and digests.
2. **Native**: Using the Web Cryptography API's `crypto.subtle.digest()` function, which is part of the browser's implementation.

**Options Compared**

The two options being compared are:

* **Rusha.createHash().update(dataBuffer).digest('hex')**: This method creates a new hash object, updates it with the data buffer, and then converts the resulting digest to a hexadecimal string.
* **crypto.subtle.digest("SHA-1", dataBuffer).then(function (hash) { console.log(hex(hash)); })**: This method uses the Web Cryptography API's `crypto.subtle.digest()` function to calculate the SHA-1 hash of the data buffer, and then processes the resulting digest using a helper function (`hex`) to convert it to a hexadecimal string.

**Pros and Cons**

* **Rusha**:
	+ Pros: Simplified interface, easy to use, and likely to be more performant due to its optimized implementation.
	+ Cons: May have limitations or constraints on its usage (e.g., limited support for certain hash algorithms), and may not be as widely supported as the native Web Cryptography API implementation.
* **Native**:
	+ Pros: Wide adoption and support across browsers, allowing for cross-platform testing. The Web Cryptography API is designed to provide a secure way to calculate hashes and digests.
	+ Cons: Requires more boilerplate code (e.g., creating a `crypto.subtle.digest()` promise), which may impact performance.

**Library**

* **Rusha**: A lightweight JavaScript library that provides an easy-to-use interface for creating hashes and digests. It's likely designed to be fast, efficient, and optimized for performance.

**Special JS Features or Syntax**

None mentioned in the provided benchmark definition.

**Other Considerations**

When choosing between these two options, consider your specific use case:

* If you need a lightweight, easy-to-use solution with potential performance benefits, choose Rusha.
* If you require a widely supported, secure solution for cross-platform testing and hashing, choose the native Web Cryptography API implementation (using `crypto.subtle.digest()`).

**Alternatives**

Other alternatives to consider when calculating hashes or digests in JavaScript:

1. **Crypto-JS**: A popular, high-level JavaScript library that provides an easy-to-use interface for various cryptographic operations.
2. **Web Crypto API's crypto.subtle functions**: While similar to `crypto.subtle.digest()`, these functions provide more comprehensive support for cryptographic primitives, such as encryption and decryption.

In summary, the Rusha benchmark compares two approaches to calculate SHA-1 hashes using JavaScript: a lightweight library (Rusha) versus the native Web Cryptography API implementation (using `crypto.subtle.digest()`). Consider your specific use case when choosing between these options.

Latest run results:

Run details: (Test run date: 23 days ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:131.0) Gecko/20100101 Firefox/131.0

Browser/OS: Firefox 131 on Mac OS X 10.15

View result in a separate tab

Test name	Executions per second
rusha	27.9 Ops/sec
native	431.6 Ops/sec

Related benchmarks:

sha1-js-rusha-vs-native-10mb (version: 0)

Comparing performance of: rusha vs native

Created: 10 months ago by: Registered User

Jump to the latest result

rusha

native

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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