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Abs vs ternary to find difference between two number
(version: 0)
Comparing performance of:
abs vs ternary
Created:
3 years ago
by:
Guest
Go to the latest result
Script Preparation code:
var one = 5 var two = 2
Tests:
abs
var a = Math.abs(two - one)
ternary
var a = two > one ? two - one : one - two
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
abs
ternary
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
2 years ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0
Browser/OS:
Firefox 121 on Windows
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<iframe src="https://measurethat.net/Embed?id=498448" width="100%" height="500px"></iframe>
abs
902.7M/s
ternary
840.3M/s
View exact numbers
Test name
Executions per second
✓
abs
902,704,576 Ops/sec
ternary
840,340,672 Ops/sec
Autogenerated LLM Summary
(model
llama3.1:latest
, generated one year ago):
Let's break down the benchmark test case. **What is being tested?** The benchmark tests two different approaches to find the absolute difference between two numbers: `Math.abs(two - one)` and `(two > one ? two - one : one - two)`. The first approach uses the built-in `Math.abs()` function, while the second approach uses a ternary operator (a shorthand if-else statement). **What options are compared?** We're comparing two different implementations to find the absolute difference between two numbers: 1. Using `Math.abs()`: This is a straightforward and efficient way to get the absolute value of a number. 2. Using a ternary operator: This approach uses a concise syntax to achieve the same result as the first one. **Pros/Cons of each approach** Here are some pros and cons of each approach: 1. **Math.abs()**: * Pros: Easy to read, understand, and maintain. Efficient and widely supported. * Cons: May be slower than a ternary operator in very performance-critical code. 2. **Ternary operator**: * Pros: Concise syntax can make code more readable and easier to write. Can be faster in some cases due to the reduced number of operations. * Cons: Can be harder to read and understand, especially for developers not familiar with this syntax. **Other considerations** When deciding which approach to use, consider the following factors: 1. Code readability and maintainability: If you're writing code that will be maintained by others or yourself in the future, using `Math.abs()` might be a better choice. 2. Performance-critical code: If you're working on very performance-sensitive code, the ternary operator approach might be faster. 3. Personal preference: Ultimately, choose the approach that makes your code easier to understand and maintain. **Library and special JS features** In this case, no external libraries or special JavaScript features are used. The test simply compares two different implementation approaches using standard JavaScript syntax. **Alternatives** If you need to find the absolute difference between two numbers, consider the following alternatives: 1. Using `Math.abs()` (as in the first approach). 2. Using the `Math.abs()` function with a more concise syntax: `Math.abs(one - two)`. 3. If you're using a library like Lodash or Underscore.js, you can use their respective implementations of absolute difference functions. That's it! I hope this explanation helps software engineers understand the benchmark test case and make informed decisions about which approach to use in their code.
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