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String Comparison vs Int Comparison
(version: 0)
Comparing performance of:
String Comparison vs Int Comparison
Created:
4 years ago
by:
Guest
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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>
Run tests (2)
Previous results
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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):
**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.
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