Benchmark: Date Comparisons

Tests:

With 100 comparisons
const then = new Date('2020-01-01'); const now = new Date(Date.now()); const shouldTest = true; if (shouldTest) { for (let i of new Array(25)) { then > now; then < now; now > then; now < then; } }
With 500 comparisons
const then = new Date('2020-01-01'); const now = new Date(Date.now()); const shouldTest = true; if (shouldTest) { for (let i of new Array(125)) { then > now; then < now; now > then; now < then; } }
With 1000 comparisons
const then = new Date('2020-01-01'); const now = new Date(Date.now()); const shouldTest = true; if (shouldTest) { for (let i of new Array(250)) { then > now; then < now; now > then; now < then; } }
Without comparisons
const then = new Date('2020-01-01'); const now = new Date(Date.now()); const shouldTest = false; if (shouldTest) { for (let i of new Array(100)) { then > now; then < now; now > then; now < then; } }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
With 100 comparisons
With 500 comparisons
With 1000 comparisons
Without comparisons

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36

Browser/OS: Chrome 87 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
With 100 comparisons	56236.9 Ops/sec
With 500 comparisons	12063.3 Ops/sec
With 1000 comparisons	5886.8 Ops/sec
Without comparisons	1121494.4 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's dive into the benchmark and explain what is being tested.

The provided benchmark, "Date Comparisons", tests the performance of date calculations in JavaScript. The script preparation code and HTML preparation code are empty, indicating that no additional setup or HTML elements are required for these tests.

There are four test cases:

1. **With 100 comparisons**: This test case performs a simple comparison of two dates (then and now) multiple times (25 iterations).
2. **With 500 comparisons**: Similar to the previous test case, but with more iterations (125 times).
3. **With 1000 comparisons**: Again, with even more iterations (250 times).
4. **Without comparisons**: This test case is similar to the previous ones, but without any comparisons.

Now, let's discuss the options being compared:

**Option 1: Comparing dates using `>` and `<` operators**

This is a straightforward approach, where two dates are compared using the greater-than (`>`) and less-than (`<`) operators. The pros of this approach are:

* Simple to implement
* Easy to understand

However, the cons include:

* Performance might be slower due to the repeated comparisons
* May not account for all possible date scenarios (e.g., leap years)

**Option 2: Comparing dates using `>`, `<`, and logical operators**

In this approach, logical operators (`&&` and `||`) are used in conjunction with the comparison operators. This allows for more complex date calculations, such as:

* Checking if one date is greater than another
* Checking if both dates are within a certain range

Pros of this approach:

* Can perform more complex date calculations
* More flexible

Cons include:

* May require more computational resources
* Can lead to performance issues with large datasets

**Other considerations:**

* **Library usage**: In the benchmark, no specific library is used for date calculations. This suggests that built-in JavaScript functions (e.g., `Date`) are being utilized.
* **Special JS feature or syntax**: The benchmark does not explicitly use any special JavaScript features or syntax beyond what is required for basic date comparisons.

**Alternative approaches:**

Other approaches to comparing dates in JavaScript might include:

* Using a dedicated library like Moment.js, which provides more advanced date calculations and formatting capabilities
* Implementing custom date comparison logic using mathematical formulas
* Utilizing WebAssembly or other low-level programming languages for high-performance date calculations

Keep in mind that these alternative approaches may require additional setup, expertise, or computational resources. The provided benchmark seems to focus on simple, built-in JavaScript date comparisons, making it accessible to a wide range of developers.

Please let me know if you have any further questions or if there's anything else I can help with!

Related benchmarks:

Date Comparisons (version: 1)

Testing the perf impact, if any, of date calculations.

Comparing performance of: With 100 comparisons vs With 500 comparisons vs With 1000 comparisons vs Without comparisons

Created: 3 years ago by: Registered User

Jump to the latest result

With 100 comparisons

With 500 comparisons

With 1000 comparisons

Without comparisons

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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