Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
array testing
(version: 0)
Comparing performance of:
1 vs 2
Created:
6 years ago
by:
Registered User
Jump to the latest result
Tests:
1
const a = ['QWE', 'RTY', 'UIO']; const str = a.toString().split(',')[0];
2
const a = ['QWE', 'RTY', 'UIO']; const str = a[0];
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
1
2
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 being tested on MeasureThat.net. **Benchmark Definition** The benchmark is defined by a simple JavaScript script that creates an array of strings, converts it to a string using `toString()`, and then extracts the first element from the resulting string. The script has two variations: 1. Extracts the entire first line of the original string: `const str = a.toString().split(',')[0];` 2. Extracts only the first character of the original string: `const str = a[0];` **Options Compared** The benchmark compares the performance of two approaches: 1. **Array indexing**: Using array indexing (e.g., `a[0]`) to access the desired element. 2. **String manipulation**: Converting the entire array to a string using `toString()` and then extracting the first element. **Pros and Cons of Each Approach** **Array Indexing** Pros: * Typically faster, as it avoids the overhead of creating a new string * May be more efficient for small arrays or strings Cons: * Can lead to out-of-bounds errors if the array is not properly initialized or accessed * May not work correctly with certain types of data (e.g., non-numeric values) **String Manipulation** Pros: * Ensures correct results, even for non-numeric values or other edge cases * Can be useful when working with large strings that need to be processed element-wise Cons: * Generally slower than array indexing due to the overhead of creating a new string * May consume more memory if dealing with large arrays or strings **Library Usage** None of the provided benchmark code uses any external libraries. **Special JS Features/Syntax** There are no special JavaScript features or syntax used in this benchmark. The script only uses basic JavaScript syntax, making it accessible to most software engineers. **Other Alternatives** If you were to design a similar benchmark, you might consider adding more variations, such as: * Using different data structures (e.g., objects, sets) * Involving parallel processing or concurrency * Incorporating additional error handling or edge cases By exploring these alternatives, you could create a more comprehensive and informative benchmark that better reflects real-world scenarios. I hope this explanation helps!
Related benchmarks:
Array isArray vs instanceof vs isEqual vs isLessThan
Array mutation VS creation
Populate array: array literal vs array constructor
var is a non-empty array (v2)
testando 123 teste
Comments
Confirm delete:
Do you really want to delete benchmark?