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Comparing performance of:
With function creation vs Without function creation
Created:
4 years ago
by:
Guest
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Tests:
With function creation
const event = { _string: "lorem ipsum bla bla bla" }; const process = { pid: 1234, timestamp: '2022-02-06T09:22:41.911Z' } const { pid, timestamp } = process; const processMatch = () => event._string.includes(pid) && new RegExp(`[^0-9]${pid}[^0-9]`).test(event._string); const timestampMatch = () => event._string.includes(timestamp.split(/[T.]|Z|\+/)[1]) || event._string.includes(new Date(timestamp) / 10000 | 0); return processMatch() && timestampMatch();
Without function creation
const event = { _string: "lorem ipsum bla bla bla" }; const process = { pid: 1234, timestamp: '2022-02-06T09:22:41.911Z' } return event._string.includes(process.pid) && new RegExp(`[^0-9]${process.pid}[^0-9]`).test(event._string) && event._string.includes(process.timestamp.split(/[T.]|Z|\+/)[1]) || event._string.includes(new Date(process.timestamp) / 10000 | 0);
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Suite status:
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Test case name
Result
With function creation
Without function creation
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'll break down the provided benchmark JSON and explain what's being tested, compared, and the pros/cons of different approaches. **Benchmark Definition** The benchmark definition is a simple JavaScript object that defines the characteristics of the test. In this case, it's empty, which means there are no specific requirements or constraints for the test script. **Test Cases** There are two individual test cases: 1. **With function creation**: This test case uses a function (`processMatch`) to extract values from the `event` object and perform a regular expression search. 2. **Without function creation**: This test case is similar to the first one, but it doesn't use a separate function for extraction and searching. **Comparison** The two test cases are identical except for one aspect: in "With function creation", a separate function (`processMatch`) is defined to perform the extraction and search operations. In contrast, the regular expression is embedded directly in the return statement of the `event._string` check. **Options Compared** The main option being compared is: * **Function creation**: Using a separate function versus embedding the logic directly in the script. * **Code organization and reusability**: The use of functions can improve code readability, maintainability, and reusability. * **Performance overhead**: Creating and calling a function might introduce some performance overhead compared to inline logic. **Pros and Cons** **Function creation:** Pros: * Improved code organization and readability * Easier maintenance and debugging * Potential for reusing the extracted logic in other parts of the code Cons: * Slightly higher performance overhead due to function call * Might require more memory allocation (for the function object) **Inline logic:** Pros: * No performance overhead from function creation * Smaller code size, which can lead to faster execution times * Less memory allocation required Cons: * Code is tightly coupled and less readable * Maintenance and debugging might be more challenging * Logic is harder to reuse in other parts of the code **Library Usage** There are no libraries used in these test cases. **Special JS Feature or Syntax** None mentioned. The benchmark uses standard JavaScript syntax and features, such as `const`, `let`, `return`, and regular expressions. **Alternatives** Other alternatives for measuring performance could include: * Using a profiling tool like V8 Inspector (in Chrome) or Node.js Inspector * Utilizing a benchmarking library like Benchmark.js or jsperf * Employing an iterative approach with manual time measurements using `Date.now()`
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