Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
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:
5 years ago
by:
Registered User
Jump to the latest result
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>
Run tests (4)
Previous results
Fork
Test case name
Result
With 100 comparisons
With 500 comparisons
With 1000 comparisons
Without comparisons
Fastest:
N/A
Slowest:
N/A
Latest run results:
No previous run results
This benchmark does not have any results yet. Be the first one
to run it!
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
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.parse vs new Date with comparison
new Date from UNIX timestamp vs new Date from ISO string
new Date from UNIX timestamp (ms) vs new Date from ISO string
Date() vs Date(YY,MM,DD,hh,mm)
Comparing new Date vs raw number comparison
Comments
Confirm delete:
Do you really want to delete benchmark?