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Array fill method vs for loop with object ref
(version: 0)
Array fill method vs for loop performance validation
Comparing performance of:
For Loop fill vs Array Fill
Created:
3 years ago
by:
Registered User
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Tests:
For Loop fill
const creation_date = new Date(); const dataItemToCreate = { creation_date, product_id: 1, warehouse_id: 1, owner_seller_id: 1, item_origin_type_id: 5, origin_supplier_order_package_content_id: 1, lot_number: null, origin_stock_adjustment_id: null, origin_buyer_return_order_line_item_id: null, serial_number: null, item_target_type_id: null, target_sell_order_line_item_id: null, target_stock_adjustment_id: null, target_withdrawal_order_line_item_id: null, expiration_date: null }; let arrayTest = new Array(); for (let i = 0; i < 10000000; i++){ arrayTest.push(dataItemToCreate) }
Array Fill
const creation_date = new Date(); const dataItemToCreate = { creation_date, product_id: 1, warehouse_id: 1, owner_seller_id: 1, item_origin_type_id: 5, origin_supplier_order_package_content_id: 1, lot_number: null, origin_stock_adjustment_id: null, origin_buyer_return_order_line_item_id: null, serial_number: null, item_target_type_id: null, target_sell_order_line_item_id: null, target_stock_adjustment_id: null, target_withdrawal_order_line_item_id: null, expiration_date: null }; let arrayTest = new Array(10000000).fill(dataItemToCreate);
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Suite status:
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Test case name
Result
For Loop fill
Array Fill
Fastest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark and explain what is being tested, compared, and discussed. **Benchmark Overview** The main goal of this benchmark is to compare the performance of two approaches for creating an array of objects: 1. Using a `for` loop with object references (`For Loop fill`) 2. Using the `Array.fill()` method with an object as the filling value (`Array Fill`) **Options Compared** Two options are being compared: * **For Loop fill**: This approach uses a traditional `for` loop to push objects onto an array. * **Array Fill**: This approach uses the `Array.fill()` method to create an array filled with objects. **Pros and Cons of Each Approach** **For Loop fill:** Pros: * Easy to understand and implement * Can be more efficient for small arrays or arrays with a specific structure Cons: * Can lead to performance issues due to repeated function calls, object cloning, and array resizing * May not work efficiently when dealing with large arrays or complex objects **Array Fill:** Pros: * More concise and expressive than traditional `for` loops * Can be faster for large arrays because it avoids the overhead of repeated function calls and object cloning Cons: * May lead to performance issues if the array is too large or the object creation process is slow * Requires careful consideration of the object structure and size to avoid unnecessary cloning or creation **Library Used** In this benchmark, the `Array` class is used, which is a built-in JavaScript class. The `fill()` method is also part of the standard JavaScript API. **Special JS Feature or Syntax** There are no special features or syntaxes being tested in this benchmark. However, it's worth noting that the benchmark assumes that the object creation process is relatively fast and efficient, which may not be the case in all scenarios. **Other Alternatives** Some alternative approaches for creating arrays of objects could include: * Using `Array.prototype.map()` with a function that creates objects * Using a library like Lodash or Underscore.js, which provide utility functions for working with arrays and objects * Using a data structure like a `Map` or an object literal to store the objects instead of an array **Considerations** When choosing between these approaches, consider the following factors: * Performance requirements: If speed is critical, Array Fill might be a better choice. However, if memory usage is more important, For Loop fill might be a better option. * Code readability and maintainability: For Loop fill can be easier to understand and modify, while Array Fill provides a more concise and expressive syntax. * Object creation process: If the object creation process is slow or complex, For Loop fill might be a better choice.
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