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asdasdds
(version: 0)
asd
Comparing performance of:
becnhasds vs asddsadsasad
Created:
6 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
var arr = ['', '', '']; for(i=0; i<10; i++){}
Tests:
becnhasds
var aux=[]; var arr=[]; for(i=0; i<10000; i++){ for(j=0; j<10; j++){ aux.push(j+i); } arr.push(aux[3]); aux=[]; }
asddsadsasad
var aux=[]; var arr=[]; for(i=0; i<10000; i++){ for(j=0; j<10; j++){ aux.push(j+i); } arr.push(aux[3]); aux.length=0; }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
becnhasds
asddsadsasad
Fastest:
N/A
Slowest:
N/A
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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. **What is being tested?** MeasureThat.net is testing two different approaches for pushing elements onto an array while keeping track of its length. The test cases are designed to measure the performance difference between two methods: 1. Using `aux.length = 0` to reset the length of the `aux` array after each iteration. 2. Using `aux = []` to reassign a new empty array to `aux` after each iteration. **What options are being compared?** The two main options being compared are: * **Method 1:** Resetting the length of the `aux` array using `aux.length = 0`. This approach does not reassign a new array to `aux`, so it can potentially be faster since no memory allocation is required. * **Method 2:** Reassigning a new empty array to `aux` using `aux = []`. This approach creates a new object each time, which can lead to slower performance due to the overhead of memory allocation. **Pros and Cons:** * **Method 1 (Resetting length):** + Pros: - Faster since no memory allocation is required. - Can be beneficial for large datasets where memory allocation can be a bottleneck. + Cons: - May lead to unexpected behavior if the array is modified after resetting its length. * **Method 2 (Reassigning new array):** + Pros: - Easier to understand and maintain since no side effects are introduced. - Can prevent issues with array modification after reset. + Cons: - Slower due to the overhead of memory allocation. **Library usage:** There is no explicit library usage in these test cases. However, MeasureThat.net might be using some underlying libraries or frameworks for benchmarking and performance measurement. **Special JS features or syntax:** There are no special JavaScript features or syntax being used in these test cases. The code only utilizes standard JavaScript constructs like arrays, loops, and assignment operators. **Other alternatives:** If the original implementation didn't use `aux.length = 0` and `aux = []`, other alternatives could have been considered: * Using a different data structure, such as an object or a Set. * Implementing a custom array-like data structure that handles length updates efficiently. * Utilizing optimized array methods or built-in functions for performance-critical code. Keep in mind that the original implementation might be using some of these alternatives internally.
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