Benchmark: if or empty function

Tests:

if checks
const handlers = [handlePlayerStats,null]; function handlePlayerStats(){} const trackerData = { trackerHistroy: [ {event:{ID: 0}}, {event:{ID: 1}}, {event:{ID: 0}}, {event:{ID: 1}} ] }; for (const history of trackerData.trackerHistroy) { if(handlers[history.event.ID]){ handlers[history.event.ID](); } }
empty
const handlers = [handlePlayerStats,null]; function handlePlayerStats(){} const trackerData = { trackerHistroy: [ {event:{ID: 0}}, {event:{ID: 0}}, {event:{ID: 0}}, {event:{ID: 0}} ] }; for (const history of trackerData.trackerHistroy) { handlers[history.event.ID](); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
if checks
empty

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 its test cases.

**Benchmark Overview**

MeasureThat.net is a website that allows users to create and run JavaScript microbenchmarks. The provided benchmark definition and test cases measure the performance of two different approaches in handling event data in a JavaScript function.

**Benchmark Definition**

The provided Benchmark Definition json contains two separate definitions:

1. "if or empty function"
2. No description, script preparation code, or HTML preparation code are specified for this benchmark.

**Individual Test Cases**

There are two test cases:

1. **"if checks"**
	* This test case measures the performance of checking if a value is truthy before executing a function.
	* The Benchmark Definition contains an array `handlers` with two elements: `handlePlayerStats` and `null`. The code then iterates through an array `trackerData.trackerHistroy` and calls the corresponding function in `handlers` based on the `event.ID`.
2. **"empty"**
	* This test case measures the performance of executing functions even when no truthy value is found.
	* The Benchmark Definition contains the same array `handlers` as the previous test case, but with all elements set to `null`. The code then iterates through the same array and calls each function in `handlers`, regardless of its value.

**Library Used**

In both test cases, a library called "trackerData" is used. However, there is no specific information about this library on MeasureThat.net. Based on the provided Benchmark Definition, it appears that trackerData is an object with a single property "trackerHistroy", which is an array of objects.

**Special JS Feature or Syntax**

There are no special JavaScript features or syntaxes mentioned in the Benchmark Definition or test cases. The code uses standard JavaScript syntax and does not include any experimental or proprietary features.

**Options Compared**

The two test cases compare the performance of:

1. Checking if a value is truthy before executing a function (`if` checks).
2. Executing functions even when no truthy value is found (empty case).

**Pros and Cons of Each Approach**

* **If Checks**
	+ Pros:
		- Can reduce unnecessary function calls.
		- Can improve performance by avoiding unnecessary computations.
	+ Cons:
		- May lead to slower performance if the condition is frequently false.
* **Empty Case**
	+ Pros:
		- Ensures that all functions are executed, even if no truthy value is found.
	+ Cons:
		- May lead to slower performance due to unnecessary function calls.

**Other Considerations**

When deciding between these two approaches, consider the following:

1. Is it necessary to check for truthiness before executing a function? If not, the empty case may be a better choice.
2. Are there any significant performance implications if the condition is frequently false?

**Alternatives**

If you need to optimize your code further, you can try alternative approaches, such as:

1. Using `optional chaining` (`?.`) or `nullish coalescing` (`??`) operators to avoid null pointer exceptions.
2. Implementing a custom function that checks for truthiness and executes the corresponding action.
3. Using a more advanced JavaScript library or framework that provides optimized functions for handling event data.

Keep in mind that the performance implications of these alternatives may vary depending on your specific use case and requirements.

Related benchmarks:

if or empty function (version: 0)

Comparing performance of: if checks vs empty

Created: 4 years ago by: Guest

Jump to the latest result

if checks

empty

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):