Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
parseInt-vs-math.floor time
(version: 0)
Check the impact between the two
Comparing performance of:
parseInt vs Math.floor
Created:
2 years ago
by:
Guest
Jump to the latest result
Tests:
parseInt
parseInt(Date.now() / 1000);
Math.floor
Math.floor(Date.now() / 1000);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
parseInt
Math.floor
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):
**Overview of the Benchmark** The provided JSON represents a JavaScript microbenchmark created on MeasureThat.net, which compares the performance of two functions: `parseInt` and `Math.floor`, when used to convert a timestamp to an integer. **What is being tested?** In this benchmark, we are testing how quickly each function can process the same input (a timestamp converted from milliseconds to seconds). The goal is to determine which function is faster for this specific task. **Options compared** Two options are being compared: 1. `parseInt`: This function attempts to parse a string as an integer. In this case, it's used to convert the timestamp from milliseconds to seconds. 2. `Math.floor`: This is a built-in JavaScript function that returns the largest integer less than or equal to a given number. **Pros and Cons of each approach** * **`parseInt`**: Pros: + Simple and straightforward to implement + May be faster due to its optimized implementation in the browser's engine Cons: + Can lead to rounding errors if the input is not an integer + Requires manual parsing, which can introduce overhead * **`Math.floor`**: Pros: + Built-in function with optimized implementation, reducing overhead + Less prone to rounding errors Cons: + May be slower due to the need for a function call **Library usage** There is no explicit library used in this benchmark. **Special JS feature or syntax** There are no special JavaScript features or syntax used in this benchmark. It's a straightforward comparison of two basic functions. **Other alternatives** If you were to compare `parseInt` and `Math.floor`, you could also consider using other approaches, such as: * Using the unary plus operator (`+`) to convert the string to an integer * Using a library like ` numeral.js` or `decimal.js` for precise arithmetic However, these alternatives might not be necessary in this simple benchmark. Overall, this benchmark provides a basic comparison of two common JavaScript functions and can help identify performance differences between them.
Related benchmarks:
toFixed vs toPrecision vs Math.round() vs Math.floorfaster test
toFixed vs toPrecision vs Math.round() vs Math.floorfast vs new Math.trunc vs numeraljs
floor vs trunc vs bit shift
remainder or floor
remainder or floor 2
Comments
Confirm delete:
Do you really want to delete benchmark?