Benchmark: Split vs Count and increasing 2

Tests:

Split
var tgt = '1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20' tgt.split(',').length
Number increase
var tgt = '1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20' var total = 0 total +=1 total +=1 total +=1 total +=1 total +=1 total +=1 total +=1 total +=1 total +=1 total +=1 total +=1 total +=1 total +=1 total +=1 total +=1 total +=1 total +=1 total +=1 total +=1 total +=1

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Split
Number increase

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.74 Safari/537.36

Browser/OS: Chrome 99 on Windows

View result in a separate tab

Test name	Executions per second
Split	5080236.5 Ops/sec
Number increase	741550976.0 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's dive into the world of JavaScript microbenchmarks.

**Benchmark Definition JSON**

The provided benchmark definition represents a simple test case that compares two approaches to count the number of elements in an array: `split()` vs `count and increment`. The script preparation code is empty, which means the test will use a predefined string as input.

**Test Cases**

There are two individual test cases:

1. **Split**: This test case uses the `split()` method to split the input string into an array and then counts the number of elements in the resulting array using the `length` property.
2. **Number Increase**: This test case uses a simple loop to increment a variable `total` 20 times, simulating the count operation.

**Options Compared**

The two options being compared are:

1. **Split()**: A string is split into an array, and then the length of the resulting array is counted.
2. **Count and Increment**: A variable `total` is incremented 20 times to simulate a simple counting operation.

**Pros and Cons**

* **Split()**:
	+ Pros: Simple to implement, widely supported by most browsers.
	+ Cons: May have overhead due to creating an intermediate array.
* **Count and Increment**:
	+ Pros: No overhead from creating an intermediate array, can be optimized for performance.
	+ Cons: Requires more code and is less straightforward than the `split()` method.

**Library Used**

There is no specific library mentioned in the benchmark definition. However, it's worth noting that some browsers have built-in optimizations for string splitting (e.g., Google Chrome's string-splitting optimization).

**Special JS Feature or Syntax**

None are explicitly mentioned in this benchmark.

**Other Alternatives**

If you're interested in exploring alternative approaches to counting elements in an array, here are a few options:

1. **Array.prototype.length**: Similar to `split()` but uses the built-in length property of arrays.
2. **Math.random()**: You could use `Math.random()` to generate random indices and sum them up to simulate a count operation.
3. **For...of loop**: A more modern approach to iterating over arrays, which can be optimized for performance.

Keep in mind that these alternatives may not directly compare to the `split()` vs `count and increment` scenario presented in this benchmark.

Related benchmarks:

Split vs Count and increasing 2 (version: 0)

Comparing performance of: Split vs Number increase

Created: 4 years ago by: Guest

Jump to the latest result

Split

Number increase

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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