Benchmark: String Comparison vs Int Comparison

Tests:

String Comparison
let num = 255; let nums = []; for(let i = 0; i < 100; ++i) { if ('001' === '001') { nums.push(i); } }
Int Comparison
let num = 255; let nums = []; for(let i = 0; i < 100; ++i) { if (1 === 1) { nums.push(i); } }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
String Comparison
Int Comparison

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 6 months ago)

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:139.0) Gecko/20100101 Firefox/139.0

Browser/OS: Firefox 139 on Linux

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Test name	Executions per second
String Comparison	3745491.5 Ops/sec
Int Comparison	3991407.5 Ops/sec

Autogenerated LLM Summary (model llama3.1:latest, generated one year ago):

LLMs can make mistakes. Check important info.

**Benchmark Description**

The provided JSON represents a benchmark test case on MeasureThat.net, which compares the performance of two different approaches: **string comparison vs integer comparison**.

**Test Cases**

There are two individual test cases:

1. **String Comparison**: This test case uses a loop to push values into an array `nums` based on a conditional statement that checks if the string `'001'` is equal to itself (`'001' === '001'`). In reality, this condition is always true because it's comparing two identical strings.
2. **Int Comparison**: This test case uses a similar loop and conditional statement, but instead of comparing strings, it compares integers using the expression `1 === 1`. Like in the string comparison test, this condition is also always true.

**Pros and Cons**

The main difference between these two approaches lies in their use of **primitive data types**: string (`'001'`) vs integer (`1`). The pros and cons are:

* **String Comparison**:
	+ Pros: In most cases, string comparisons are not as performance-critical as numerical ones.
	+ Cons: However, in this specific benchmark, the comparison is always true, which might lead to an optimization opportunity that's not being utilized.
* **Int Comparison**:
	+ Pros: Integer comparisons are generally faster and more optimized in JavaScript engines.
	+ Cons: The `1 === 1` condition is also always true, making it redundant.

**Library**

No external library is used in these test cases. The JavaScript engine's built-in functionality is sufficient for this benchmark.

**Special JS Feature or Syntax**

There are no special JavaScript features or syntax being tested here. The code uses basic JavaScript constructs like loops, conditional statements, and primitive data types.

**Alternatives**

Other alternatives to consider:

* **Switch Statement**: Instead of using a loop with conditional statements, you could use a switch statement for more efficient string or integer comparisons.
* **Pre-Compiled Constants**: If the comparison is always true, as in this case, you could pre-compile the result and avoid unnecessary computations.

In summary, this benchmark compares the performance of two approaches to integer comparison using JavaScript's built-in functionality. While neither approach has significant performance implications, it's an interesting example of how different data types can affect execution speed in JavaScript.

Related benchmarks:

String Comparison vs Int Comparison (version: 0)

Comparing performance of: String Comparison vs Int Comparison

Created: 4 years ago by: Guest

Jump to the latest result

String Comparison

Int Comparison

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.1:latest, generated one year ago):