Benchmark: Current minute comparison

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

let minutes = null;

Tests:

new Date.getUTCMinutes()
minutes = new Date().getUTCMinutes();
Date.now()
minutes = Math.round(Date.now() / 60000);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
new Date.getUTCMinutes()
Date.now()

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:138.0) Gecko/20100101 Firefox/138.0

Browser/OS: Firefox 138 on Windows

View result in a separate tab

Test name	Executions per second
new Date.getUTCMinutes()	9268214.0 Ops/sec
Date.now()	13309527.0 Ops/sec

Autogenerated LLM Summary (model gpt-4o-mini, generated one year ago):

LLMs can make mistakes. Check important info.

The benchmark you provided, titled "Current minute comparison," evaluates the performance of two different JavaScript methods for obtaining the current minute in UTC. The two approaches being compared are:

1. **`new Date().getUTCMinutes()`**
2. **`Math.round(Date.now() / 60000)`**

### Description of Each Approach

1. **`new Date().getUTCMinutes()`**:
   - This method creates a new `Date` object representing the current date and time when invoked. The `getUTCMinutes()` method then retrieves the minutes from that `Date` object in UTC.
   - **Pros**:
     - Intuitive and easy to read.
     - Directly provides minutes from a date-time context, which can be beneficial for code maintainability and clarity.
   - **Cons**:
     - The creation of a new `Date` object incurs some overhead, making it potentially slower compared to simpler calculations.
  
2. **`Math.round(Date.now() / 60000)`**:
   - Here, `Date.now()` gets the current timestamp in milliseconds, which is then divided by 60000 (the number of milliseconds in a minute) to convert it into minutes. Finally, `Math.round()` rounds this value to the nearest whole minute.
   - **Pros**:
     - Typically faster as it avoids the overhead of object creation and directly calculates the result using a mathematical approach.
     - Less memory intensive since no new object is created.
   - **Cons**:
     - The calculation may be less intuitive for those unfamiliar with how timestamps and time unit conversions work.
     - Potential loss of precision due to rounding could be a factor in some contexts.

### Benchmark Results

From the benchmark results, we can see the performance metrics for both methods when executed in a particular environment (Firefox 138 on a Windows 10 desktop):

- **`Date.now()`** executed **13,309,527 times per second**.
- **`new Date().getUTCMinutes()`** executed **9,268,214 times per second**.

The results indicate that the `Math.round(Date.now() / 60000)` method is approximately 1.44 times faster than `new Date().getUTCMinutes()`.

### Considerations and Alternatives

1. **Performance**: The choice between these two methods may depend on the specific requirements of your application. If performance is critical (such as in tight loops or high-frequency execution), the second method (`Math.round(Date.now() / 60000)`) may be preferred.

2. **Readability vs. Performance**: If code clarity and maintainability are more important than absolute performance, you might choose the first method. It makes the intent more explicit, which can be beneficial for team environments or codebases that involve frequent code reviews.

3. **Alternatives**: Other potential methods for retrieving the current minute could involve leveraging third-party libraries like **date-fns** or **moment.js** (although they have largely fallen out of favor in recent years in favor of native date handling). These libraries often simplify date manipulations and offer added functionality, such as timezone handling, but introduce additional overhead and complexity.

In conclusion, which method you choose should be based on the specific context of your application, considering the trade-offs between performance, readability, and maintainability.

Related benchmarks:

Current minute comparison (version: 1)

Comparing performance of: new Date.getUTCMinutes() vs Date.now()

Created: one year ago by: Guest

Jump to the latest result

new Date.getUTCMinutes()

Date.now()

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model gpt-4o-mini, generated one year ago):