Benchmark: Test Dipyaman - MeasureThat.net

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/lodash/4.16.0/lodash.min.js"></script>

Script Preparation code:

var person = {name: 'Dipyaman', lastName: 'B'};

Tests:

Lodash
_.get(person, 'name');
JS
person.name

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash
JS

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser/OS: Chrome 123 on Windows

View result in a separate tab

Test name	Executions per second
Lodash	9864077.0 Ops/sec
JS	31140364.0 Ops/sec

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

LLMs can make mistakes. Check important info.

I'd be happy to help you understand the provided benchmark.

**Benchmark Overview**

MeasureThat.net is a website where users can create and run JavaScript microbenchmarks. The provided JSON represents a benchmark with two test cases: "Lodash" and "JS". The benchmark measures the performance of accessing properties on an object in JavaScript, using both Lodash's `_.get` method and direct property access.

**Test Case 1: Lodash**

The first test case uses Lodash, a popular JavaScript utility library. In this specific benchmark, Lodash is used to access the "name" property of an object `person`, with the path `"_.get(person, 'name')"`.

Pros:

* Lodash provides a convenient and flexible way to navigate nested objects.
* It can handle cases where the property is not directly accessible on the object (e.g., when using dot notation or bracket notation).

Cons:

* Adding an external dependency increases the size of the benchmark script and may impact performance due to overhead from loading the library.
* The overhead of calling a function with multiple arguments (`_.get(person, 'name')`) might be slightly higher than direct property access.

**Test Case 2: JS**

The second test case uses direct property access on the `person` object: `"person.name"`.

Pros:

* Direct property access is usually faster since it doesn't involve a function call or loading an external library.
* It's often the most straightforward way to access properties in JavaScript.

Cons:

* If the property name contains special characters, quotes, or dots (.), direct property access might not work correctly without using bracket notation (`person['name']`).

**Other Considerations**

When writing benchmarks, it's essential to consider the following factors:

* **Library dependencies**: In this case, Lodash is used as a dependency. This can impact performance due to loading time and potential conflicts with other libraries.
* **Function call overhead**: The `_.get` function call introduces additional overhead compared to direct property access. However, this might be negligible in most cases.
* **Cache behavior**: The benchmark results may vary depending on the cache behavior of the browser or device. MeasureThat.net likely takes this into account when running the benchmarks.

**Alternatives**

If you're looking for alternative ways to measure property access performance, consider:

* Using a simple, fast string interpolation function like `toString()` or `String.prototype.toString()`.
* Comparing different JavaScript engines (e.g., V8, SpiderMonkey) using benchmarking libraries like Banach or js-bench.
* Testing the performance of specific property access patterns, such as accessing properties in an array or object with many nested levels.

Keep in mind that these alternatives might not be directly comparable to the MeasureThat.net benchmarks, but they can provide valuable insights into performance optimization strategies.

Related benchmarks:

Test Dipyaman (version: 0)

Comparing performance of: Lodash vs JS

Created: 2 years ago by: Guest

Jump to the latest result

Lodash

JS

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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