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nsdosdosjfdoisjdf
(version: 0)
Comparing performance of:
No alloc vs Alloc
Created:
9 years ago
by:
Guest
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Script Preparation code:
var array1 = [] var array2 = new Array(100) var insert = Math.random()
Tests:
No alloc
array1.push(insert)
Alloc
array2.push(insert)
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
No alloc
Alloc
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'll provide an explanation of the benchmark and its various aspects. **Benchmark Overview** The provided JSON represents a JavaScript microbenchmark, specifically testing two scenarios: 1. Allocating memory for an array (Test Name: "Alloc") 2. Not allocating memory for an array (Test Name: "No alloc") **Options Compared** In this benchmark, two main options are being compared: a) **Memory allocation**: In the "Alloc" test case, a new `Array` object is created with 100 elements using `new Array(100)`. In contrast, in the "No alloc" test case, an empty array `[]` is used. b) **Pushing an element into an array**: Both tests cases involve pushing a random value (`insert`) into their respective arrays. **Pros and Cons** - **Memory allocation**: - Pros: Memory allocation can be an expensive operation in JavaScript. Some browsers or environments may optimize the creation of large arrays. - Cons: Allocating memory is necessary for many common array operations, so this test case might not accurately reflect real-world performance differences. - **Pushing an element into an array**: - Pros: This is a fundamental operation in JavaScript, and pushing elements into an array can be optimized by the engine to reduce overhead. - Cons: The actual impact of pushing elements may depend on the array's size and other factors, so this test case might not capture the full picture. **Library Usage** The benchmark does not explicitly use any JavaScript libraries. However, it relies on built-in features like `Array` objects and the `Math.random()` function. **Special JS Feature or Syntax** There is no explicit usage of special JavaScript features or syntax in the provided code snippets.
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