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Stringify v. concat
(version: 0)
Comparing performance of:
Stringify vs Concate
Created:
2 years ago
by:
Guest
Go to the latest result
Tests:
Stringify
let i = 1000; while(i--) { const str = JSON.stringify(i); }
Concate
let i = 1000; while(i--) { const str = (i + ''); }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Stringify
Concate
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
2 years ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Browser/OS:
Chrome 122 on Mac OS X 10.15.7
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<iframe src="https://measurethat.net/Embed?id=510702" width="100%" height="500px"></iframe>
Concate
1.9M/s
Stringify
12K/s
View exact numbers
Test name
Executions per second
✓
Concate
1,862,553 Ops/sec
Stringify
12,278 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark and explain what's being tested, compared, and their pros and cons. **Benchmark Overview** The benchmark compares two approaches to convert an integer value `i` into a string: 1. **Stringify**: Using `JSON.stringify()` function to convert `i` into a string. 2. **Concate**: Using the unary plus operator `(i + '')` to concatenate an empty string with `i`, effectively converting it to a string. **Options Compared** The two approaches are compared in terms of their performance, specifically the number of executions per second (ExecutionsPerSecond) on a Desktop platform using Chrome 122 browser. **Pros and Cons** 1. **Stringify**: * Pros: Can handle more complex data types and is often used for serializing objects. * Cons: May be slower than the concat approach due to the overhead of parsing and formatting the JSON string. 2. **Concate**: * Pros: Simple, lightweight, and fast, making it suitable for basic string conversion needs. * Cons: Only works with numeric types and may not handle complex data types correctly. **Library Used** None explicitly mentioned in this benchmark. However, `JSON.stringify()` is a built-in JavaScript function that uses the JSON (JavaScript Object Notation) standard to serialize data into a string. **Special JS Feature or Syntax** The unary plus operator `(i + '')` is used in the Concate approach. This syntax is not specific to any particular JavaScript version and is generally supported across modern browsers. However, it's worth noting that some older browsers may have issues with this syntax. **Other Considerations** 1. **Browser Support**: The benchmark results are for Chrome 122 on a Desktop platform. Other browsers and platforms might behave differently. 2. **JavaScript Engine Optimization**: The JavaScript engine's optimization techniques, caching, and just-in-time compilation can affect the performance of these two approaches. 3. **Context and Use Case**: The choice between `Stringify` and Concate depends on the specific use case, such as serializing objects or performing basic string conversion. **Alternatives** Other alternatives for converting an integer value to a string might include: 1. Using the `toString()` method: `i.toString()` 2. Using template literals (JavaScript 2015+): `i` 3. Using other libraries like Lodash's `stringify` function Keep in mind that these alternatives might have different performance characteristics or requirements compared to the original two approaches. I hope this explanation helps software engineers understand the benchmark and its implications!
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