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string vs number vs symbol 2
(version: 0)
Comparing performance of:
Symbol vs Number vs String
Created:
3 years ago
by:
Registered User
Go to the latest result
Tests:
Symbol
const a = Symbol(); const b = Symbol(); a === b
Number
const a = 1; const b = 2; a === b
String
const a = 'Rendered benchmark preparation results:'; const b = 'Rendered benchmark preparation results:'; a === b
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
Symbol
Number
String
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
11 months ago
)
User agent:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:142.0) Gecko/20100101 Firefox/142.0
Browser/OS:
Firefox 142 on Ubuntu
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=616369" width="100%" height="500px"></iframe>
Number
1689.1M/s
String
1688.9M/s
Symbol
9.8M/s
View exact numbers
Test name
Executions per second
✓
Number
1,689,058,176 Ops/sec
String
1,688,920,448 Ops/sec
Symbol
9,767,895 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'll break down the provided JSON and explain what's being tested, compared options, pros and cons, and other considerations. **Benchmark Definition** The provided `Benchmark Definition` is an empty object with no specific details about the benchmark being measured. However, based on the individual test cases, it seems that the benchmark is measuring the performance of different types of values in JavaScript: Symbols (`Symbol`), Numbers (`Number`), and Strings (`String`). **Individual Test Cases** The three test cases are: 1. **Symbol**: `const a = Symbol();\r\nconst b = Symbol();\r\na === b` This test case checks if two identical symbols are equal using the `===` operator. Pros: This test case is useful for measuring performance differences between symbols, which can be important in certain scenarios where uniqueness is required. Cons: Symbols are relatively lightweight and performant in most cases. This test may not highlight significant performance differences. 2. **Number**: `const a = 1;\r\nconst b = 2;\r\na === b` This test case checks if two different numbers are equal using the `===` operator. Pros: This test case is useful for measuring performance differences between numbers, which can be important in certain numerical computations. Cons: Numbers are relatively lightweight and performant in most cases. This test may not highlight significant performance differences. 3. **String**: `const a = 'Rendered benchmark preparation results:';\r\nconst b = 'Rendered benchmark preparation results:';\r\na === b` This test case checks if two identical strings are equal using the `===` operator. Pros: Strings can be relatively expensive to create and compare due to the overhead of creating a new string object. This test may highlight performance differences in certain string-related operations. Cons: The specific string being compared is identical, so any performance difference between the three types should be similar. **Library Usage** There are no libraries mentioned in the provided JSON. However, it's worth noting that some JavaScript benchmarks might use external libraries like `fast-json-stress` or `mathjs` to perform numerical computations or string comparisons. **Special JS Features/Syntax** None of the test cases appear to use any special JavaScript features or syntax beyond the basic equality operator (`===`). If you're interested in testing specific features like async/await, Promises, or ES6 classes, I'd be happy to help you create new test cases. **Other Alternatives** If you want to explore different types of benchmarks or variations on these tests, here are some alternatives: * **Big-O Notation Benchmarks**: Measure the performance of algorithms with Big-O notation complexity (e.g., O(n), O(log n)). * **Memory Allocation Benchmarks**: Compare the performance of different memory allocation strategies (e.g., `new Array(1000000)` vs. `Array.from(new Array(1000000))`). * **Async/Await Benchmarks**: Measure the performance of asynchronous code with async/await, Promises, or callbacks. * **Object Creation Benchmarks**: Compare the performance of different object creation strategies (e.g., `{ foo: 'bar' }` vs. `new Object()`)
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