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Comparing int to string using loose equality
(version: 0)
Comparing int to string using loose equality, int to int using loose and strict.
Comparing performance of:
int and string vs int and int vs int and int, strict equality
Created:
6 years ago
by:
Registered User
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Tests:
int and string
var n = 0; var m = "100000"; while(true) { n++; if(n==m) break; }
int and int
var n = 0; var m = 100000; while(true) { n++; if(n==m) break; }
int and int, strict equality
var n = 0; var m = 100000; while(true) { n++; if(n===m) break; }
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Suite status:
<idle, ready to run>
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Test case name
Result
int and string
int and int
int and int, strict equality
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
**Overview of the Benchmark** The provided JSON represents a JavaScript microbenchmark test case, specifically designed to compare different approaches for equality checks between integers and strings. **What is tested?** Three individual test cases are compared: 1. Comparing an integer (`n`) with a string (`m`) using loose equality. 2. Comparing two integers (`n` and `m`) using both loose and strict equality. 3. Comparing an integer (`n`) with an integer (`m`) using strict equality. **Options compared:** * Loose equality (e.g., `n == m`) * Strict equality (e.g., `n === m`) **Pros and Cons of each approach:** * **Loose equality**: This approach is faster but more prone to errors, as it can result in unexpected equalities due to type coercion. It's useful when working with legacy code or when the precision required is not critical. * **Strict equality**: This approach is safer and more precise, but typically slower than loose equality. It provides better error messages and prevents common mistakes like comparing a number with a string. **Library usage:** None of the test cases explicitly uses any libraries, except for built-in JavaScript functionality. **Special JS feature or syntax:** The `===` operator is used for strict equality checks in all three test cases. This operator is specific to JavaScript and ensures that both operands have the same value and type. **Other alternatives:** While the provided benchmark focuses on integer-string comparisons, other examples of microbenchmarks might compare: * Floating-point numbers * Boolean values * Objects or arrays using different comparison operators (e.g., `===`, `!==`, `==`, `!=`) * Date or timestamp comparisons Keep in mind that measuring performance differences between various approaches can help developers make informed decisions about optimization and coding style choices. **Benchmark preparation code:** The provided JSON doesn't contain any script preparation code, suggesting that the benchmark is already set up to run with a specific configuration. In a real-world scenario, you would typically include this code in your benchmarking framework to ensure consistent results across different environments. **Raw UA String and other metadata:** The provided raw UA string (`"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36"`) indicates that the benchmark was executed on a Windows 10 system using Chrome 103 and Safari. The other metadata (browser, device platform, operating system, executions per second) provides context about the environment where the benchmark was run, but its relevance to the actual performance comparison is limited.
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