Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Get max from an array of numbers (Math.max vs. iteration) V2
(version: 0)
Comparing performance of:
Math.max vs Find
Created:
3 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
var arr = [...Array(10000)].map(() => Math.floor(Math.random() * 100000));
Tests:
Math.max
return Math.max(...arr);
Find
return arr.reduce((maxi, curr) => maxi < curr ? curr : maxi, -1);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
Math.max
Find
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):
I'd be happy to help you understand the benchmark. **What is being tested?** The benchmark tests two approaches for finding the maximum value in an array of numbers: using the built-in `Math.max()` function versus implementing it manually by iterating over the array. **Options compared:** 1. **`Math.max()`**: This is a built-in JavaScript function that returns the largest of zero or more numbers. 2. **Manual implementation using iteration**: In this approach, you would iterate over the array, comparing each element to keep track of the maximum value. **Pros and Cons:** * **`Math.max()`**: * Pros: + Fast and efficient, as it is implemented in native code. + Less error-prone, as it handles edge cases like empty arrays or zero values automatically. * Cons: + Requires the array to have at least one element to be valid. * **Manual implementation using iteration**: * Pros: + Can handle arrays of any size, including empty ones. + Allows for customization and optimization based on specific use cases. * Cons: + Slower and less efficient compared to `Math.max()`. + More error-prone, as you need to ensure the comparison logic is correct. **Library usage:** None of the provided code uses any external libraries. **Special JavaScript feature or syntax:** There are no special features or syntaxes used in this benchmark. It only focuses on comparing two basic approaches for finding the maximum value in an array. **Other alternatives:** If you need to find the maximum value in a large dataset, other approaches could include: * Using `Array.prototype.reduce()`: Similar to manual iteration but with a more concise syntax. * Utilizing parallel processing or multi-threading: This can significantly improve performance on modern CPUs by leveraging multiple cores. * Leveraging specialized libraries like NumJS or ArrayFire for optimized array operations. In conclusion, the benchmark provides a straightforward comparison between two approaches for finding the maximum value in an array. Understanding the trade-offs and pros and cons of each approach will help you choose the most suitable method depending on your specific use case requirements.
Related benchmarks:
Get max from an array of numbers (Math.max vs. iteration)
Get max from an array of numbers (Math.max vs. iteration) V3
array math.max (3 variants) vs for loop (4 variants)
array math.max (3 variants) vs for loop (5 variants)
Comments
Confirm delete:
Do you really want to delete benchmark?