Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
>>> vs >> vs << vs | vs Math.floorfast
(version: 1)
Comparing performance of:
>>> vs >> vs << vs | vs Math.floor fast
Created:
4 years ago
by:
Registered User
Jump to the latest result
Script Preparation code:
var someFloat = 3.123456789;
Tests:
>>>
someFloat >>> 0;
>>
someFloat >> 0;
<<
someFloat << 0;
|
someFloat | 0;
Math.floor fast
~~(someFloat * 10000) / 10000;
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (5)
Previous results
Fork
Test case name
Result
>>>
>>
<<
|
Math.floor fast
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 world of JavaScript microbenchmarks on MeasureThat.net! The provided JSON represents a benchmark that tests different operations on a floating-point number `someFloat`. The script preparation code initializes the variable with a value of 3.123456789, and there is no HTML preparation code. **Benchmark Definition** The overall benchmark defines five test cases: 1. `>>>` (double arrow): This operator is not a standard JavaScript operator but rather a custom operator that seems to be designed for benchmarking. 2. `>>`: A single arrow operator (`>>>` without the extra space) in JavaScript does not exist, however it might be used as an alias for some function or method. 3. `<` (less than): The `<` symbol is used to compare two values. 4. `|`: The pipe (`|`) symbol is used for logical operations in JavaScript, but here, it's likely being used as a custom operator for benchmarking purposes. 5. `Math.floorfast()`: This is a variation of the standard `Math.floor()` function that is optimized for faster execution. **Comparison Options** The test cases are designed to compare the performance of these different operators and functions: * **>>>**, `>>`, `<` : These three options use traditional JavaScript operators. * `|` : This option uses a custom pipe operator, which might be used for benchmarking purposes. * `Math.floorfast()`: This option tests a variant of the standard `Math.floor()` function that is optimized for faster execution. **Pros and Cons** Here's a brief analysis of each approach: 1. **>>>**, `>>`, `<` : These traditional operators are widely supported across JavaScript engines, making them a good choice for general use cases. * Pros: Well-established, widely supported. * Cons: Might not be optimized for specific use cases or edge cases. 2. `|` : This custom pipe operator might provide better performance in certain scenarios, but its usage and interpretation are less clear compared to traditional operators. * Pros: Potential performance benefits in specific cases. * Cons: Unfamiliarity with the custom operator's behavior, potential for inconsistent results across browsers/engines. 3. `Math.floorfast()`: This optimized variant of `Math.floor()` is likely designed for specific use cases or edge cases where speed is critical. * Pros: Optimized for performance in specific scenarios. * Cons: Might not be supported by all JavaScript engines or have inconsistent behavior. **Library and Special Features** The benchmark does not explicitly mention any libraries being used. However, it's worth noting that `Math.floor()` functions are part of the standard JavaScript API and should work across most browsers/engines without issues. There are no special features mentioned in this benchmark, such as ES6 modules, async/await, or other modern JavaScript features. **Other Alternatives** If you're looking for alternative benchmarks or tools to test JavaScript performance, here are a few options: 1. **jsperf**: A popular online platform for testing and comparing the performance of JavaScript code. 2. **Benchmark.js**: A lightweight benchmarking library that allows you to write custom tests and compare results across different browsers/engines. 3. **Google Chrome DevTools' Performance Tab**: While not specifically designed as a benchmarking tool, Google Chrome's DevTools can help you profile and analyze the performance of your JavaScript code. Keep in mind that each benchmarking tool has its strengths and limitations, so it's essential to choose the right tool for your specific use case or project requirements.
Related benchmarks:
toFixed vs toPrecision vs Math.round() vs Math.floorfaster test
another test 2
toFixed vs toPrecision vs Math.round() vs Math.floorfast vs new Math.trunc str dynamic
toFixed vs toPrecision vs Math.round() vs Math.floorfast 0
floor vs trunc vs bit shift
Comments
Confirm delete:
Do you really want to delete benchmark?