Benchmark: test iife - MeasureThat.net

Script Preparation code:

var iife = (function() {
  function helper(arg) {
    return function(x) { return arg + x; }
  }

  return function(arg1, arg2) {
    return helper(arg1)(arg2) + helper(arg1)(arg2);
  }
})();

function nested(arg1, arg2) {
  function helper(arg) {
    return arg1 + arg;
  }

  return helper(arg2) + helper(arg2);
}

Tests:

iife
iife(1,3);
nested
nested(1,3);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
iife
nested

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser/OS: Chrome 135 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
iife	169183312.0 Ops/sec
nested	165571904.0 Ops/sec

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

LLMs can make mistakes. Check important info.

**Overview of the Benchmark**

The provided JSON represents two JavaScript microbenchmarks, `test iife` and `nested`, which are designed to test the performance of various JavaScript engines and browsers. The benchmarks measure the execution speed of specific code snippets.

**Benchmark Definition JSON Explanation**

The benchmark definition is a JSON object that contains the following information:

* `"Name"`: The name of the benchmark.
* `"Description"`: An optional description of the benchmark (empty in this case).
* `"Script Preparation Code"`: A JavaScript code snippet that prepares the environment for the test. In this case, it defines two functions, `iife` and `nested`, which are used to create a self-invoking function expression (`IIFE`) with nested function calls.
* `"Html Preparation Code"`: An optional HTML code snippet (empty in this case), which is not used in this benchmark.

**Individual Test Cases**

The test cases are defined as an array of objects, each containing:

* `"Benchmark Definition"`: A string representing the JavaScript code to be executed during the test. In this case, there are two test cases:
	+ `iife(1,3);`: Tests the execution speed of the `iife` function with arguments 1 and 3.
	+ `nested(1,3);`: Tests the execution speed of the `nested` function with arguments 1 and 3.

**Library Use**

The `test iife` benchmark uses a self-invoking function expression (IIFE) to create a scope for the inner functions. The purpose of an IIFE is to:

* Create a new scope for variables and functions, which prevents variable name collisions.
* Execute immediately when defined, without the need for explicit `return` statements.

**Special JavaScript Features or Syntax**

This benchmark does not use any special JavaScript features or syntax that are specific to certain browsers or engines. However, it relies on the browser's ability to execute JavaScript code and provide a reasonable performance measurement.

**Other Alternatives**

To measure the performance of JavaScript code, you can consider alternative approaches:

* **V8 Profiler**: A Chrome-specific tool for profiling and optimizing V8 JavaScript engine.
* **Node.js Inspector**: A built-in debugger and profiler for Node.js applications.
* **Benchmarking libraries**: Such as ` benchmark-js` or ` js-benchmark`, which provide a framework for writing and executing JavaScript benchmarks.

Keep in mind that the choice of alternative approach depends on your specific use case, target audience, and performance requirements.

Related benchmarks:

test iife (version: 0)

Comparing performance of: iife vs nested

Created: 8 years ago by: Guest

Jump to the latest result

iife

nested

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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