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simple int vs string comparison 1
(version: 0)
Benchmark.js
Comparing performance of:
int comparison vs string comparison
Created:
2 years ago
by:
Guest
Go to the latest result
Tests:
int comparison
const a = 1 const b = 1 return a == b
string comparison
const a = "Primary" const b = "Primary" return a == b
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
int comparison
string comparison
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36 OPR/120.0.0.0
Browser/OS:
Opera 120 on Windows
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=618383" width="100%" height="500px"></iframe>
int comparison
139.2M/s
string comparison
137.7M/s
View exact numbers
Test name
Executions per second
✓
int comparison
139,179,680 Ops/sec
string comparison
137,652,736 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the benchmark and its components. **Benchmark Overview** The `MeasureThat.net` website is used to create and run JavaScript microbenchmarks, which allows users to compare different approaches to measuring performance in their code. The provided JSON represents two individual test cases: "int comparison" and "string comparison". **Options Being Compared** In the context of this benchmark, we're comparing: 1. **Integer Comparison (`==`)**: This is a basic equality check that compares two integer values using the `==` operator. 2. **String Comparison (`==`)**: This is another equality check, but for string values instead of integers. **Pros and Cons** * **Integer Comparison (==)**: + Pros: Simple and widely supported by most JavaScript engines. + Cons: Can lead to type coercion issues (e.g., comparing a number with a non-numeric value). * **String Comparison (`==`)**: + Pros: Suitable for string comparison, which is common in many scenarios. + Cons: May not work correctly with Unicode characters or non-standard string encodings. **Library and Special JS Features** In the benchmark code, we don't see any explicit library usage. However, some JavaScript features like `const` and template literals (`\r\n`) are used. * **Template Literals (`\r\n`)**: Template literals allow you to embed expressions inside string literals using backticks (``) instead of double quotes ("). This is a modern feature introduced in ECMAScript 2015. * **`const`**: The `const` keyword declares variables that cannot be reassigned. It's used here to declare the constants `a` and `b`. **Other Considerations** * When comparing integers, it's essential to note that some browsers might use different integer representations or rounding modes, which can affect performance. * For string comparison, consider using more modern comparison methods like `===` (strict equality) or using libraries like `lodash`'s `isEqual` function for more robust Unicode support. **Alternatives** If you were to rewrite this benchmark with alternative approaches, some options could be: 1. **Use a different comparison operator**: Instead of `==`, consider using `===` (strict equality) or other comparison operators like `<`, `>`, etc. 2. **Implement a custom comparison function**: Write a custom function that compares values based on specific criteria, such as numerical value, string length, or Unicode code points. 3. **Use a library for performance testing**: Consider using libraries like `benchmark.js` or `perf_hooks` to write more efficient and accurate benchmarking code. Keep in mind that each approach has its pros and cons, and the choice ultimately depends on your specific use case and requirements.
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