Benchmark: obj destructuring

Tests:

dest
const config = { "id": "1+4", "name": "1+4-11", "hour": "11", "minute": "00", "exitHour": "12", "exitMinute": "00", "tp": 45, "sl": 8, "distance": 4, "drawdown": 0.1, "fails": false, "executesOnContingency": true, "strategyDetails": { "limitsTime": "11:30" } }; const _config = {...config}
assign
const config = { "id": "1+4", "name": "1+4-11", "hour": "11", "minute": "00", "exitHour": "12", "exitMinute": "00", "tp": 45, "sl": 8, "distance": 4, "drawdown": 0.1, "fails": false, "executesOnContingency": true, "strategyDetails": { "limitsTime": "11:30" } }; const _config = config

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
dest
assign

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36

Browser/OS: Chrome 86 on Linux

View result in a separate tab

Test name	Executions per second
dest	12115833.0 Ops/sec
assign	744813184.0 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated 2 months ago):

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and explain what's being tested, compared, and analyzed.

**Benchmark Overview**

The benchmark measures performance differences between two approaches: object destructuring assignment (`const _config = config`) and object destructuring without assignment (`const _config = {...config}`).

**Options Being Compared**

There are two options being compared:

1. **Object Destructuring Assignment (`const _config = config`)**: This approach creates a new object by assigning the `config` variable to `_config`. It modifies the original object, leaving it in an inconsistent state.
2. **Object Destructuring Without Assignment (`const _config = {...config}`)**: This approach creates a new object by spreading the properties of the `config` variable into a new object using destructuring syntax. It does not modify the original object.

**Pros and Cons**

**Object Destructuring Assignment (`const _config = config`)**:

Pros:

* May be faster, as it only involves creating a new reference to the same object.
* Can lead to easier debugging, as the original object remains unchanged.

Cons:

* Leaves the original object in an inconsistent state (i.e., its properties are modified).
* May cause issues with other parts of the code that rely on the original object's consistency.

**Object Destructuring Without Assignment (`const _config = {...config}`)**:

Pros:

* Does not modify the original object, preserving its consistency.
* Can lead to better maintainability and scalability, as it avoids changing the original data structure.

Cons:

* May be slower, as it involves creating a new object and copying properties.
* Requires more memory allocation, potentially leading to performance issues in certain scenarios.

**Other Considerations**

In this benchmark, the focus is on the performance difference between these two approaches. However, there are other considerations when evaluating object destructuring techniques:

* **Memory allocation**: Creating a new object using `const _config = {...config}` may lead to memory fragmentation or increased memory allocation.
* **Garbage collection**: In languages with garbage collection, such as JavaScript, modifying an object's properties without reassigning it can lead to more frequent garbage collection cycles.

**Library or Framework Used**

The benchmark does not appear to use any specific library or framework. The code snippets only demonstrate the two options being compared.

**Special JS Features or Syntax**

There are no special JS features or syntax mentioned in this benchmark. However, the use of destructuring assignment and spread operator (`...`) is a feature introduced in ECMAScript 2015 (ES6).

**Other Alternatives**

If you're interested in exploring alternative approaches to object destructuring, consider:

* **Using functions**: Instead of creating new objects, you can define a function that takes an object as input and returns a new object with modified properties.
* **Utilizing libraries or frameworks**: Some libraries, like Lodash, provide utility functions for working with objects, including deconstruction and transformation.

Keep in mind that the benchmark primarily focuses on comparing the performance of these two approaches. Exploring alternative methods can lead to more efficient solutions, but may also introduce additional complexity or trade-offs.

Related benchmarks:

obj destructuring (version: 0)

Comparing performance of: dest vs assign

Created: 3 years ago by: Guest

Jump to the latest result

dest

assign

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 2 months ago):