Benchmark: for loop vs. lodash range foreach latest

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.11/lodash.js"></script>

Tests:

for
var x = 0; for (var i = 0; i < 10000; i++) { x++; }
lodash range foreach
var x = 0; _.range(10000).forEach(function (i) { x++; });
array foreach
var x = 0; Array(10000).forEach(function (i) { x++; });
array lodash foreach
var x = 0; _.forEach(Array(10000), function (i) { x++; });
lodash range lodash foreach
var x = 0; _.forEach(_.range(10000), function (i) { x++; });

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
for
lodash range foreach
array foreach
array lodash foreach
lodash range lodash foreach

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 23 days ago):

LLMs can make mistakes. Check important info.

**Benchmark Explanation**

The provided JSON represents a microbenchmark test created on MeasureThat.net. The benchmark compares the performance of four different approaches for iterating over an array of 10,000 elements:

1. **For loop**: A traditional `for` loop that increments a variable `i` from 0 to 9,999.
2. **Lodash range foreach**: Using the `_range` function from Lodash (a popular JavaScript utility library) to generate an array of numbers and then iterating over it using `_forEach`.
3. **Array foreach**: Iterating directly over an array created with `Array(10000)` using the `.forEach()` method.
4. **Lodash foreach with range**: Using both `_range` and `_forEach` from Lodash to generate and iterate over an array of numbers.

**Comparison Options**

The benchmark compares these four approaches to determine which one performs best in terms of execution speed.

**Pros and Cons of Each Approach**

1. **For loop**:
	* Pros: Simple, straightforward, and widely supported.
	* Cons: Can be slower due to the overhead of incrementing a variable.
2. **Lodash range foreach**:
	* Pros: Provides a concise way to generate arrays and iterate over them using Lodash's optimized functions.
	* Cons: Adds dependency on Lodash, which may not be desirable in all projects.
3. **Array foreach**:
	* Pros: Efficient use of array iteration, as it leverages the engine's native optimization.
	* Cons: May require more code than traditional `for` loops.
4. **Lodash foreach with range**:
	* Pros: Combines the benefits of Lodash's optimized functions and array generation.
	* Cons: Still depends on Lodash, which may introduce additional complexity.

**Library Use**

The benchmark uses Lodash (version 4.17.11) to provide the `_range` and `_forEach` functions, which are used in two of the test cases.

**Special JS Feature/Syntax**

None of the provided benchmarks use any special JavaScript features or syntax. However, it's worth noting that newer versions of JavaScript may introduce new optimization techniques or features that could affect benchmark results.

**Alternative Approaches**

Other approaches to iterate over arrays might include:

* Using `Array.prototype.map()` and `Array.prototype.forEach()`
* Utilizing Web Workers or async/await for parallel execution
* Leveraging modern JavaScript engines' optimizations, such as SIMD (Single Instruction, Multiple Data) instructions

Latest run results:

Run details: (Test run date: 6 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36

Browser/OS: Chrome 69 on Windows

View result in a separate tab

Test name	Executions per second
for	139091.8 Ops/sec
lodash range foreach	7871.9 Ops/sec
array foreach	30845.5 Ops/sec
array lodash foreach	2535.6 Ops/sec
lodash range lodash foreach	2574.1 Ops/sec

Related benchmarks:

for loop vs. lodash range foreach latest (version: 0)

Comparing performance of: for vs lodash range foreach vs array foreach vs array lodash foreach vs lodash range lodash foreach

Created: 6 years ago by: Registered User

Jump to the latest result

for

lodash range foreach

array foreach

array lodash foreach

lodash range lodash foreach

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 23 days ago):