Benchmark: sdfjgfjdfghjsrfgasergasdhfhgfdjkfghjkfghk

Script Preparation code:

window.createRandomKey = () => `${Math.floor(Math.random() * 100000)}${Math.floor(Math.random() * 100000)}${Date.now()}`;

Tests:

createRandomKey
createRandomKey()
crypto uuid
crypto.randomUUID()
crypto random values
crypto.getRandomValues(new Uint32Array(10))
math random
Math.random()

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
createRandomKey
crypto uuid
crypto random values
math random

Fastest: N/A

Slowest: N/A

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

LLMs can make mistakes. Check important info.

I'd be happy to explain the provided benchmark results.

**What is being tested?**

MeasureThat.net provides a platform for users to create and run JavaScript microbenchmarks. In this case, we have a set of test cases that compare different approaches for generating random values in JavaScript. The test cases are:

1. `createRandomKey()`: A custom function created by the user to generate a unique key.
2. `crypto.randomUUID()`: A function from the Web Cryptography API (W3C) that generates a random UUID.
3. `crypto.getRandomValues(new Uint32Array(10))`: A function from the Web Cryptography API (W3C) that generates an array of cryptographically secure random numbers.
4. `Math.random()`: The built-in JavaScript function for generating a pseudo-random number.

**Options compared**

The benchmark tests different approaches for generating random values, which can impact performance and security. Here's a brief overview of each approach:

* **Custom function (`createRandomKey()`)**: This approach uses the user-provided function to generate a unique key. While it provides a high level of customization, its implementation is unknown and may introduce overhead.
* **Web Cryptography API (`crypto.randomUUID()`)**: This approach uses a standardized API for generating random values. It's designed for security-critical applications but might be slower than other approaches due to the standardization and validation processes involved.
* **Web Cryptography API (`crypto.getRandomValues(new Uint32Array(10))`)**: Similar to `crypto.randomUUID()`, this approach uses a standardized API, but it generates an array of random numbers instead. This can provide more flexibility for certain use cases.
* **Built-in function (`Math.random()`)**: This approach uses the built-in JavaScript function for generating pseudo-random numbers. While simple and fast, it's based on algorithms that might not be suitable for security-critical applications.

**Pros and cons of each approach**

Here are some pros and cons for each approach:

* **Custom function (`createRandomKey()`)**:
	+ Pros: High customization, potentially faster execution due to less overhead.
	+ Cons: Unknown implementation, may introduce performance issues or security vulnerabilities.
* **Web Cryptography API (`crypto.randomUUID()`)**:
	+ Pros: Standardized and secure, suitable for security-critical applications.
	+ Cons: Slower execution due to standardization and validation processes.
* **Web Cryptography API (`crypto.getRandomValues(new Uint32Array(10))`)**:
	+ Pros: Flexible and standardized, suitable for a wide range of use cases.
	+ Cons: May be slower than other approaches due to the array generation.
* **Built-in function (`Math.random()`)**:
	+ Pros: Simple and fast, widely supported.
	+ Cons: Based on algorithms that might not be suitable for security-critical applications.

**Library and syntax considerations**

The test cases use the Web Cryptography API (W3C) for generating random values. This library is designed for security-critical applications and provides a standardized way to generate cryptographically secure random numbers.

There are no special JavaScript features or syntax used in these test cases, aside from the custom function `createRandomKey()`, which is not a standard feature but rather a user-provided implementation.

**Alternative approaches**

Other alternatives for generating random values in JavaScript include:

* The `crypto.getRandomValues()` function (without `new Uint32Array(10)`), which generates an array of random numbers.
* Third-party libraries, such as crypto-js or seedrandom, which provide additional features and algorithms for generating random numbers.

Keep in mind that the choice of approach depends on the specific requirements of your project, including performance, security, and compatibility considerations.

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36

Browser/OS: Chrome 117 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
createRandomKey	2142960.8 Ops/sec
crypto uuid	840429.1 Ops/sec
crypto random values	828835.6 Ops/sec
math random	15825165.0 Ops/sec

Related benchmarks:

sdfjgfjdfghjsrfgasergasdhfhgfdjkfghjkfghk (version: 0)

Comparing performance of: createRandomKey vs crypto uuid vs crypto random values vs math random

Created: one year ago by: Guest

Jump to the latest result

createRandomKey

crypto uuid

crypto random values

math random

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):