Benchmark: Test Ben - MeasureThat.net

Script Preparation code:

var t = 0; var z = 0;
var k = 0;

Tests:

z++
z++;
t+=1
t+=1;
k = k + 1
k = k + 1;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
z++
t+=1
k = k + 1

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 8 years ago)

User agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.116 Safari/537.36

Browser/OS: Chrome 53 on Windows 7

View result in a separate tab

Test name	Executions per second
z++	2920338.2 Ops/sec
t+=1	2927740.0 Ops/sec
k = k + 1	2970499.5 Ops/sec

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

LLMs can make mistakes. Check important info.

I'll provide an explanation of the benchmark, options compared, pros and cons, and other considerations.

**Benchmark Definition JSON**

The provided JSON represents a JavaScript microbenchmark with three test cases:

1. `z++;`
2. `t+=1;`
3. `k = k + 1;`

Each test case is defined by a single line of code that increments or modifies a variable (`z`, `t`, and `k` respectively).

**Options Compared**

The benchmark compares three different approaches to incrementing variables:

1. **Postfix Increment**: `z++;`
2. **Prefix Increment**: `t+=1;`
3. **Explicit Addition**: `k = k + 1;`

These options differ in how the variable is modified.

**Pros and Cons of Each Approach**

1. **Postfix Increment (z++)**:
	* Pros: Often faster due to compiler optimization (e.g., hoisting) and reduced overhead.
	* Cons: May not be supported by all browsers or environments, as some might interpret it differently.
2. **Prefix Increment (`t+=1`)**:
	* Pros: Generally more readable and easier to understand, especially for developers familiar with C-style languages.
	* Cons: Might incur additional overhead due to the prefix increment operation being evaluated before the variable is incremented.
3. **Explicit Addition (`k = k + 1;`)**:
	* Pros: Always performs a clear, unambiguous operation (addition) on the variable `k`.
	* Cons: May be slower than postfix or prefix increments in some cases.

**Library and Purpose**

The benchmark does not explicitly use any JavaScript libraries. However, it's worth noting that `z`, `t`, and `k` are likely used as test variables for the benchmarking framework to measure performance differences between these three incrementation methods.

**Special JS Feature or Syntax (None)**

There are no special JavaScript features or syntaxes used in this benchmark.

**Other Alternatives**

If you were looking to compare other options, some alternative approaches might include:

* **Pre-decrement**: `z--`
* **Prefix Decrement (`t-=1`)**: Similar to prefix increment but with subtraction.
* **Explicit Subtraction (`k = k - 1;`)**: Another explicit operation for decrementing `k`.
* **Using `Math.random()` or other randomization techniques**: Adding noise to the benchmark results can help simulate real-world scenarios, but it may also introduce additional complexity.

Keep in mind that these alternatives might not be directly relevant to the specific incrementation methods being compared (postfix, prefix, and explicit addition).

Related benchmarks:

Test Ben (version: 1)

Comparing performance of: z++ vs t+=1 vs k = k + 1

Created: 8 years ago by: Registered User

Jump to the latest result

z++

t+=1

k = k + 1

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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