Benchmark: more vs not equal

Tests:

more
var n = 0; while(true) { 1000000 > -1; n++; if(n==100000) break; }
equal to
var n = 0; while(true) { 1000000 !== -1; n++; if(n==100000) break; }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
more
equal to

Fastest: N/A

Slowest: N/A

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

LLMs can make mistakes. Check important info.

Let's break down the provided JSON data for MeasureThat.net, a website that allows users to create and run JavaScript microbenchmarks.

**Benchmark Definition**

The benchmark definition represents a single test case or microbenchmark. In this case, there are two test cases:

1. "more vs not equal"
2. "equal to"

The first test case checks the performance difference between `>` (greater than) and `!=` (not equal to) operators.

**Options Compared**

In this benchmark, we have two options being compared:

* `1000000 > -1`
* `1000000 !== -1`

Both expressions are used in a while loop that increments a counter (`n`) until it reaches 100,000. The difference between these two expressions is that the first one uses the strict greater than operator (`>`), while the second one uses the loose not equal to operator (`!=`).

**Pros and Cons**

Using `>`, we get:

Pros:

* Simplistic comparison
* Less memory allocation overhead

Cons:

* May be optimized away by JavaScript engines (this is a known issue)
* Can lead to unexpected behavior in certain edge cases

On the other hand, using `!=`, we get:

Pros:

* More explicit and safer than using `>`.
* Can prevent issues with integer overflow.

Cons:

* More expensive to compute
* May have higher memory allocation overhead due to creating a temporary object for the comparison

**Library Usage**

There is no specific library mentioned in the benchmark definition. However, MeasureThat.net uses a custom JavaScript engine that compiles and executes microbenchmarks on the client-side.

**Special JS Features or Syntax**

The benchmark uses `while (true)` loop, which is a common idiom in JavaScript for creating an infinite loop. There is no special syntax or feature used here; it's a straightforward while loop with a condition.

**Other Alternatives**

If you want to create similar benchmarks using different languages or frameworks, consider the following alternatives:

* For C: Use `gcc` and compile a small benchmark program that compares `1000000 > -1` and `1000000 != -1`.
* For Python: Write a simple script that uses the `>` operator versus the `!=` operator in a while loop. Measure the execution time using tools like `timeit`.
* For other languages: Adapt the benchmark to your language of choice, comparing the performance of different operators and data types.

Keep in mind that each language has its unique features and optimizations, so you may need to adjust your approach accordingly.

Latest run results:

Run details: (Test run date: 4 years ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36

Browser/OS: Chrome 79 on Linux

View result in a separate tab

Test name	Executions per second
more	13896.8 Ops/sec
equal to	14240.5 Ops/sec

Related benchmarks:

more vs not equal (version: 0)

Comparing performance of: more vs equal to

Created: 4 years ago by: Guest

Jump to the latest result

more

equal to

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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