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mybenchmark1233131311231232113123
(version: 0)
Benchmark.js
Comparing performance of:
1 vs 2
Created:
2 years ago
by:
Guest
Go to the latest result
Tests:
1
const forum = "technopat"; const FILTERS = [ "User", "Avatar", "Signature", ]; // Additional parameter const additionalParameter = "AnotherParameter"; function f(params) { return true; } const settings = f([...FILTERS.map(value => `${forum}${value}`), additionalParameter]);
2
const forum = "technopat"; const FILTERS = [ "User", "Avatar", "Signature", ]; // Additional parameter const additionalParameter = "AnotherParameter"; function f(params) { return true; } const settings = f(FILTERS.map(value => `${forum}${value}`).concat(additionalParameter));
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
1
2
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) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Browser/OS:
Chrome 122 on Windows
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<iframe src="https://measurethat.net/Embed?id=513541" width="100%" height="500px"></iframe>
1
10.3M/s
2
3.6M/s
View exact numbers
Test name
Executions per second
✓
1
10,317,769 Ops/sec
2
3,612,380 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'd be happy to explain what's being tested in the provided benchmark and the different approaches being compared. **What is being tested?** The benchmark appears to be testing the performance of two different ways of concatenating strings with a constant prefix using JavaScript. The constant prefix is stored in a variable `forum` and has a value of `"technopat"`. The strings to be concatenated are stored in an array `FILTERS`, which contains three elements: `"User"`, `"Avatar"`, and `"Signature"`. **Approach 1:** `FILTERS.map(value => `${forum}${value}`)` In this approach, the `map()` method is used to create a new array with the concatenated strings. The callback function takes each element of the `FILTERS` array as input, concatenates it with the `forum` prefix using template literals (`${forum}${value}`), and returns the resulting string. **Approach 2:** `FILTERS.map(value => `${forum}${value}`).concat(additionalParameter)` In this approach, the same `map()` method is used to create a new array with the concatenated strings as in Approach 1. However, instead of concatenating the `additionalParameter` variable separately, it is concatenated directly to each string using template literals. **Pros and Cons:** * **Approach 1:** Pros: + More explicit and readable code + Can be more efficient since it avoids creating an intermediate array with the concatenated strings * Cons: + May require more memory allocation since it creates a new array with the concatenated strings * Approach 2: Pros: + Avoids creating an intermediate array, which can be beneficial for large datasets or performance-critical code + Can be more concise and easier to read * Cons: + Less explicit and readable code since the concatenation is implicit in the `concat()` method **Other considerations:** * The benchmark results show that Approach 1 outperforms Approach 2 by a significant margin, indicating that the overhead of creating an intermediate array can be substantial. * The use of template literals (`${forum}${value}`) simplifies the code and eliminates the need for concatenation using the `+` operator. **Library:** There is no explicit library mentioned in the benchmark, but it's likely that a JavaScript engine or interpreter (e.g., V8) is being used to execute the code. The use of template literals and array methods suggests a modern JavaScript environment with built-in support for these features. If you have any specific questions about the benchmark or would like further clarification on certain points, feel free to ask!
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