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Normal for loop vs JSON.stringify to detect Inequality for Array of Objects.
(version: 2)
Test JSON.stringify performance
Comparing performance of:
Normal looping to detect inequality vs JSON.stringify to detect inequality
Created:
7 years ago
by:
Registered User
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Script Preparation code:
window.foo = [{'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}]; window.bar = [{'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'ios'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}];
Tests:
Normal looping to detect inequality
let length = window.foo.length; let same = true; for(var i = 0;i<length;i++){ if(window.foo[i].name !== window.bar[i].name){ same = false; }else if(window.foo[i].age !== window.bar[i].age){ same = false; }else if(window.foo[i].occupation !== window.bar[i].occupation){ same = false; }else if(window.foo[i].country !== window.bar[i].country){ same = false; }else if(window.foo[i].mobile_OS !== window.bar[i].mobile_OS){ same = false; } if(!same){ break; } }
JSON.stringify to detect inequality
JSON.stringify(window.foo) === JSON.stringify(window.bar);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
Normal looping to detect inequality
JSON.stringify to detect inequality
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'll do my best to help you with your benchmarking problem. From the provided data, I notice that there are two test cases: "Normal looping to detect inequality" and "JSON.stringify to detect inequality". Both test cases involve comparing objects in two arrays (`window.foo` and `window.bar`) or serializing them using JSON.stringify. The first test case is more computationally expensive because it involves a loop, whereas the second test case is faster since it only requires a single comparison operation. To provide a more accurate answer, I would need to know the exact benchmarking framework being used (e.g., Benchmark.js) and any specific requirements or constraints. However, based on general knowledge of performance optimization techniques: 1. **Minimize Loop Overhead**: For the "Normal looping to detect inequality" test case, consider optimizing the loop by reducing unnecessary iterations or using a more efficient data structure. 2. **Use Built-in Functions**: Take advantage of built-in functions like `JSON.stringify()` for the "JSON.stringify to detect inequality" test case, as it is likely to be faster and more memory-efficient than implementing your own comparison logic. Here's an example code snippet that demonstrates how to optimize the loop in the first test case: ```javascript function compareArrays(fooArray, barArray) { let same = true; for (let i = 0; i < fooArray.length && same; i++) { if ( fooArray[i].name !== barArray[i].name || fooArray[i].age !== barArray[i].age || fooArray[i].occupation !== barArray[i].occupation || fooArray[i].country !== barArray[i].country || fooArray[i].mobile_OS !== barArray[i].mobile_OS ) { same = false; } } return same; } ``` In this example, the loop is reduced by checking if `same` is still true after each iteration. This optimization can significantly improve performance for large arrays. Similarly, to optimize the "JSON.stringify" test case, consider using a more efficient serialization library like `json-stringify-safe`. ```javascript function compareSerializedObjects(fooObject, barObject) { return JSON.stringify(fooObject) === JSON.stringify(barObject); } ``` In summary, while there isn't enough information to provide an exact solution, optimizing loops and taking advantage of built-in functions can significantly improve performance in benchmarking tests.
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