Benchmark: timestamp vs formatted

Tests:

Pure time
Date.now()
Formatted time
new Date(Date.now()).toISOString()

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Pure time
Formatted time

Fastest: N/A

Slowest: N/A

Latest run results:

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

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I'll break down the provided benchmark and explain what's being tested, compared, and their pros and cons.

**Benchmark Definition and Preparation Code**

The provided JSON represents a benchmark definition with no script or HTML preparation code specified. This means that the test cases are likely to be isolated JavaScript snippets, focusing solely on the execution time of the `Date` object methods.

**Individual Test Cases**

There are two test cases:

1. **Pure time**: Tests the execution time of `Date.now()`.
2. **Formatted time**: Tests the execution time of `new Date(Date.now()).toISOString()`.

These test cases are designed to compare the performance of two approaches:

* **Raw timestamp**: Using `Date.now()` to get a raw timestamp.
* **Formatted timestamp**: Converting the raw timestamp to a string using `new Date()`, followed by calling the `toISOString()` method to format it as an ISO date string.

**Comparison and Pros/Cons**

The comparison between these two approaches is likely intended to highlight performance differences in:

* **Raw timestamp vs formatted timestamp**:
	+ Pros of raw timestamp:
		- Generally faster, as it's a single function call without any additional overhead.
		- Less memory allocation, as no new object needs to be created.
	+ Cons of raw timestamp:
		- Returns only a numeric value, which might not provide the desired format or precision for certain use cases.
	+ Pros of formatted timestamp:
		- Provides a human-readable date string in a standard format (ISO 8601).
		- Might be more suitable for display purposes or when working with other libraries that expect dates in this format.
	+ Cons of formatted timestamp:
		- Slower, as it involves an additional object creation and method call (`new Date()`) followed by `toISOString()`.
		- More memory allocation, as a new object needs to be created.

**Library Usage**

There is no explicit library mentioned in the provided benchmark definition or test cases. However, the use of `Date.now()` and `new Date(Date.now())` suggests that the JavaScript `Date` object is being used to manipulate dates.

**Special JS Feature/Syntax**

There are no special JavaScript features or syntax explicitly mentioned in the provided code snippets.

**Other Alternatives**

Some alternative approaches for getting a raw timestamp could include:

* Using `performance.now()` (available in modern browsers)
* Utilizing a third-party library like Moment.js, which provides a wide range of date and time formatting options.

For formatted timestamps, alternatives to `new Date(Date.now()).toISOString()` might include:

* Using `Intl.DateTimeFormat` API (introduced in ECMAScript 2019) for more flexible and customizable date formatting.
* Leveraging a library like Moment.js or Luxon for sophisticated date and time manipulation.

Related benchmarks:

timestamp vs formatted (version: 0)

Comparing performance of: Pure time vs Formatted time

Created: 4 years ago by: Guest

Jump to the latest result

Pure time

Formatted time

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):