Benchmark: filter object - MeasureThat.net

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var param = {
				"date": "2019/02/11",
                "time": "08:00:00",
                "ex": true
             };
var fruits = [
				{
                    "date": "2019/02/01",
                    "time": "08:00:00",
                    "ex": true
                },
                {
                    "date": "2019/02/08",
                    "time": "06:00:00",
                    "ex": false
                },
                {
                    "date": "2019/02/06",
                    "time": "07:30:00",
                    "ex": false
                },
                {
                    "date": "2019/02/14",
                    "time": "10:00:00",
                    "ex": true
                },
                {
                    "date": "2019/02/11",
                    "time": "05:45:00",
                    "ex": true
                }
];

Tests:

lodash
_.filter(fruits, w => w.time > param.time);
array
fruits.filter(w => w.time >param.time);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lodash
array

Fastest: N/A

Slowest: N/A

Latest run results:

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

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

**Benchmark Definition JSON**

The benchmark definition is a JSON object that contains two main parts:

1. **Script Preparation Code**: This section defines variables and data structures used in the benchmark. It includes:
	* `param`: an object with specific date and time values.
	* `fruits`: an array of objects, each representing a fruit item with `date`, `time`, and `ex` properties.
2. **Html Preparation Code**: This section includes a script tag that loads the Lodash library (version 4.17.5).

**Individual Test Cases**

The benchmark definition contains two test cases:

1. **_.filter(fruits, w => w.time > param.time)**: This test case uses the `lodash` library to filter the `fruits` array based on a condition that checks if each fruit item's time is greater than the value in `param.time`.
2. **fruits.filter(w => w.time > param.time)**: This test case uses built-in JavaScript functionality (`filter`) to achieve the same filtering operation as the previous test case, without relying on an external library.

**Comparison and Analysis**

The benchmark compares two approaches:

1. **_.filter(fruits, w => w.time > param.time)**: Using Lodash's `filter` function.
2. **fruits.filter(w => w.time > param.time)**: Built-in JavaScript array filtering.

**Pros and Cons of Each Approach:**

1. **Lodash filter**: Pros:
	* May be faster due to optimized implementation in the library.
	* Provides additional functionality and utility methods.
Cons:
	* Requires loading an external library, which may add overhead.
2. **Built-in JavaScript filter**: Pros:
	* Faster as it doesn't rely on a separate library.
	* Simpler and more straightforward to implement.
Cons:
	* May not be optimized for performance.

**Library: Lodash**

Lodash is a popular utility library that provides functional programming helpers, including `filter`. It's widely used in JavaScript applications for its convenience and efficiency. In this benchmark, using Lodash's `filter` function allows the test case to leverage the library's optimization and caching, potentially leading to better performance.

**Special JS Feature/Syntax**

This benchmark doesn't use any special JavaScript features or syntax that would require specific handling. The focus is on comparing two approaches, with one relying on an external library (Lodash) and the other using built-in functionality.

**Alternative Approaches**

Some alternative approaches could be:

1. **Other JavaScript libraries**: Other utility libraries like Underscore.js, Ramda, or Evenflow might provide different performance characteristics.
2. **Native implementation**: A custom native implementation of the filtering algorithm, potentially optimized for performance, could also be compared.
3. **V8-specific optimizations**: For those familiar with Chrome's V8 engine, there may be opportunities to optimize the benchmark using V8-specific features or flags.

Keep in mind that these alternatives would require significant effort and expertise to implement and integrate into the existing benchmark.

Related benchmarks:

filter object (version: 0)

Comparing performance of: lodash vs array

Created: 7 years ago by: Guest

Jump to the latest result

lodash

array

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

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