Benchmark: Split vs Count and increasing

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 total = 7 total +=1 total +=1 total +=1 total +=1 total +=1 total +=1 total +=1 total +=1 total +=5

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: 4 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.83 Safari/537.36

Browser/OS: Chrome 85 on Mac OS X 10.15.5

View result in a separate tab

Test name	Executions per second
Split	3212882.0 Ops/sec
Number increase	475904128.0 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and explain what is being tested, the options compared, pros and cons of each approach, and other considerations.

**Benchmark Definition**

The benchmark definition is empty, which means that the test cases are defined elsewhere in the code. The script preparation code and HTML preparation code fields are also empty, indicating that these steps don't need to be executed for the benchmark.

**Individual Test Cases**

There are two test cases:

1. **"Split"`**
This test case measures the performance of the `split()` method on a string with multiple comma-separated values.
The benchmark definition is: `var tgt = '1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20'\r\ntgt.split(',').length`
This code creates a string with 20 comma-separated values and then splits it into an array using the `split()` method. The length of the resulting array is measured.

2. **"Number increase"`**
This test case measures the performance of incrementing a variable `total` by 1 multiple times.
The benchmark definition is: `var total = 7\r\ntotal +=1\r\ntotal +=1\r\ntotal +=1\r\ntotal +=1\r\ntotal +=1\r\ntotal +=1\r\ntotal +=1\r\ntotal +=1\r\ntotal +=5`
This code initializes a variable `total` to 7 and then increments it by 1, 19 times.

**Comparison of Options**

The benchmark compares the performance of two approaches:

1. **"Split"`**: This approach uses the `split()` method to split the string into an array.
2. **"Number increase"`**: This approach uses direct incrementation of the variable `total`.

Pros and Cons:

* **"Split"`**:
	+ Pros: Can handle large strings with multiple values, easy to implement.
	+ Cons: May incur overhead due to string manipulation, can be slower for small inputs.
* **"Number increase"`**:
	+ Pros: Faster incrementation of a variable, less overhead compared to string manipulation.
	+ Cons: Limited to simple increment operations, may not handle large numbers of increments.

**Library Used**

There is no explicit library used in these benchmark definitions. However, the `split()` method is a built-in JavaScript method that splits a string into an array.

**Special JS Feature/Syntax**

The only special feature used here is the use of the `\r` escape sequence to create a newline character. This is specific to Windows-style line endings and may not be compatible with all platforms.

**Other Alternatives**

If you wanted to measure the performance of these operations, you could also consider using other approaches:

* For "Split":
	+ Using an array constructor (e.g., `new Array(20).fill(0)`).
	+ Using a regex-based approach (e.g., `tgt.match(/,/g).length`).
* For "Number increase":
	+ Using a loop with a different increment value.
	+ Using a different data structure, such as a linked list or a vector.

Keep in mind that these alternatives may have their own set of trade-offs and may not be suitable for all use cases.

Related benchmarks:

Split vs Count and increasing (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):