Benchmark: = vs < - MeasureThat.net

Script Preparation code:

var n = 0;
while(true) {
    n++;
    if(n===100000) 
        break;
}

Tests:

= case
var n = 0; while(true) { n++; if(n===100000) break; }
< case
var n = 0; while(true) { n++; if(n<100001) break; }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
= case
< case

Fastest: N/A

Slowest: N/A

Autogenerated LLM Sumamry (model llama3.2:3b, generated 10 days ago):

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark JSON and explain what's being tested, compared, and other considerations.

**Benchmark Definition**

The benchmark definition provides two options: `=` (equality) and `<` (less than). The script preparation code for both cases is identical:
```javascript
var n = 0;
while(true) {
    n++;
    if(n === 100000)
        break;
}
```
This means we're measuring the performance of both equality checks (`n === 100000`) and less-than comparisons (`n < 100001`).

**Options Compared**

We have two options being compared:

1. `=` (equality check): `if (n === 100000) break;`
2. `<` (less than comparison): `if (n < 100001) break;`

**Pros and Cons of Each Approach:**

1. **Equality Check (`=`)**:
	* Pros:
		+ Can be more efficient if the value is cached or memoized.
		+ May be optimized by the JavaScript engine.
	* Cons:
		+ Requires an additional comparison operation (the equality operator `===`).
2. `<` (less than Comparison):
	* Pros:
		+ Typically faster and more efficient, as it only requires a single comparison operation.
		+ Less dependent on caching or memoization.
	* Cons:
		+ May not be optimized by the JavaScript engine in all cases.

**Library Used**

There is no explicit library mentioned in the benchmark definition. However, the Firefox browser version mentioned in the latest benchmark result suggests that the test might be using some internal Firefox APIs or optimizations.

**Special JS Features or Syntax**

There are a few special features used in this benchmark:

1. `===` (equality operator): Used for equality checks.
2. `<` (less than comparison operator): Used for less-than comparisons.
3. `break` statement: Used to exit the loop prematurely.
4. `while(true)` loop: Used to create an infinite loop.

**Other Considerations**

* The benchmark is using a simple incrementing counter (`n++`) as the loop variable, which means that both cases are essentially counting up until the condition is met.
* The test names (`= case` and `< case`) suggest that the equality check is being tested in one case and the less-than comparison is being tested in another.

**Alternative Benchmarks**

Other possible benchmarks for comparing equality checks and less-than comparisons could include:

1. String comparison: `if (str === 'hello') break;`
2. Array comparison: `if ([1, 2, 3] === [1, 2, 3]) break;`
3. Math operations: `if (Math.sqrt(n) < 10) break;`

These alternative benchmarks could help identify any differences in performance between equality checks and less-than comparisons in different contexts or use cases.

Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:84.0) Gecko/20100101 Firefox/84.0

Browser/OS: Firefox 84 on Mac OS X 10.15

View result in a separate tab

Test name	Executions per second
= case	12631.8 Ops/sec
< case	328578300.0 Ops/sec

Related benchmarks:

= vs < (version: 0)

Comparing performance of: = case vs < case

Created: 3 years ago by: Guest

Jump to the latest result

= case

< case

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Sumamry (model llama3.2:3b, generated 10 days ago):