Benchmark: Compare direct v funx2

Script Preparation code:

var full = "bob smith";
var first = "bob";
var second = "smith";
var o = { ok: true };
var getFull = () => first + " " + second;
var getIt = () => o.ok ? "bob smith" : "";

Tests:

Direct
var r = full === "bob smith";
Func
var r = getIt() === "bob smith";

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Direct
Func

Fastest: N/A

Slowest: N/A

Latest run results:

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

LLMs can make mistakes. Check important info.

Let's dive into the world of JavaScript microbenchmarks on MeasureThat.net.

**What is being tested?**

The benchmark compares two approaches to check if a variable `full` equals `"bob smith"`:

1. **Direct**: This approach directly checks if `full` is equal to the string literal `"bob smith"`.
2. **Func**: This approach uses a function `getFull()` that concatenates the strings `"first"` and `"second"` using the `+` operator to form the full name, and then assigns it to the variable `full`. The benchmark then checks if `getIt()`, which returns the result of `getFull()`, is equal to the string literal `"bob smith"`.

**Options being compared**

The two options being compared are:

1. **Direct**: Using a direct equality check (`===`).
2. **Func**: Using a function call with a concatenation operation (`+`) to form the full name and then checking if the result is equal to the string literal.

**Pros and cons of each approach:**

* **Direct**:
	+ Pros:
		- Simple and straightforward.
		- Easy to understand and maintain.
	+ Cons:
		- May be slower due to the overhead of the equality check.
		- May not be as efficient if `full` is a large string or an object with many properties.
* **Func**:
	+ Pros:
		- Can be faster since it avoids the direct equality check and concatenation operation.
		- Can be useful if you need to perform additional operations on the result, like formatting or validation.
	+ Cons:
		- More complex and harder to understand for beginners.
		- May have a higher overhead due to the function call and concatenation operation.

**Library used:**

The benchmark does not explicitly mention any library. However, it's worth noting that MeasureThat.net uses various libraries under the hood to handle things like benchmarking, execution, and data analysis.

**Special JavaScript feature or syntax:**

There is no special JavaScript feature or syntax mentioned in this benchmark. The code only uses basic features like variables, functions, strings, and arithmetic operations.

**Other alternatives:**

If you're looking for alternative approaches to check if a variable equals another string, here are some options:

1. **Using `==` instead of `===`:** This will perform type coercion, which can lead to unexpected results or errors.
2. **Using `includes()` method:** If the exact match is not important, you can use the `includes()` method, like this: `full.includes("bob smith")`.
3. **Using a regular expression:** You can use a regular expression to check if the strings are equal, like this: `/^bob smith$/.test(full)`.
4. **Using a custom implementation:** Depending on your specific requirements, you might need to create a custom implementation using techniques like string manipulation or data structures.

Keep in mind that each approach has its pros and cons, and the best choice depends on your use case, performance requirements, and coding style.

Related benchmarks:

Compare direct v funx2 (version: 0)

Comparing performance of: Direct vs Func

Created: 5 years ago by: Guest

Jump to the latest result

Direct

Func

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):