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Nx3 Benchmark
(version: 0)
Comparing performance of:
shortVarNames vs longVarNames vs Original
Created:
4 years ago
by:
Guest
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Tests:
shortVarNames
let l = 0; let s = 3; const m = (10**9 +7); let t = 0; var numOfWays = n => { l = 0; s = 3; for (let i = 0; i < n; i++) { t = (s * 2) % m; l = (l + t) % m; s = (l + t) % m } return s } numOfWays(100)
longVarNames
let last = 0; let sum = 3; const mod = (10**9 +7); let temporary = 0; var numOfWays = n => { last = 0; sum = 3; for (let i = 0; i < n; i++) { temp = (sum * 2) % mod; last = (last + temporary) % mod; sum = (last + temporary) % mod; } return sum } numOfWays(100)
Original
var numOfWays = n => { let twoColours = 6; let threeColours = 6; const mod = (10**9 +7); for (let i = 1; i < n; i++) { let prevTwo = twoColours; let prevThree = threeColours; twoColours = (2 * prevThree + 3 * prevTwo) % mod; threeColours = (2 * prevThree + 2 * prevTwo) % mod; } return (twoColours + threeColours) % mod; } numOfWays(100)
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
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Test case name
Result
shortVarNames
longVarNames
Original
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark and explain what's being tested. **Benchmark Definition:** The benchmark definition is missing, which means that it's expected to be provided by the user when creating a new benchmark on MeasureThat.net. However, looking at the individual test cases, we can infer what's being measured. The benchmarks appear to measure the performance of different variable naming schemes in a JavaScript function. **Test Cases:** 1. **"shortVarNames"`**: This test case measures the performance of using short variable names (e.g., `l`, `s`) in a loop. 2. **"longVarNames"`**: This test case measures the performance of using long variable names (e.g., `last`, `sum`, `temporary`) in a loop. 3. **"Original"`**: This test case is likely a reference implementation or a baseline measurement, as it uses a mix of short and long variable names. **Options Compared:** The main options being compared are: * Short variable names (e.g., `l`, `s`) * Long variable names (e.g., `last`, `sum`, `temporary`) **Pros and Cons:** * **Short Variable Names (e.g., `l`, `s`)**: + Pros: - May lead to less memory allocation and deallocation, as the variables are smaller in size. - Could potentially result in faster loop execution due to reduced overhead. + Cons: - May increase readability and maintainability issues if variable names are too short or unclear. - Could lead to slower performance due to increased branching and conditional checks. * **Long Variable Names (e.g., `last`, `sum`, `temporary`)**: + Pros: - Often leads to more readable and maintainable code, as variable names are easier to understand. - May result in faster performance due to reduced branching and conditional checks. + Cons: - Increases memory allocation and deallocation overhead, which could lead to slower performance. - Could make the code harder to read and understand if variable names are too long. **Libraries:** There doesn't appear to be any external libraries being used in these benchmarks. However, it's worth noting that some JavaScript engines or browsers may have their own optimizations for variable naming schemes. **Special JS Features/Syntax:** None of the test cases seem to utilize any special JavaScript features or syntax (e.g., async/await, promises, or experimental JavaScript features). **Other Considerations:** * **Loop Unrolling:** These benchmarks might also be measuring the performance impact of loop unrolling, where a loop is iterated more times than the number of iterations required by the loop. This could affect the performance of both short and long variable names. * **Compiler Optimizations:** The performance results may also depend on the compiler optimizations used in the JavaScript engine or browser. **Alternatives:** If you're interested in running these benchmarks, MeasureThat.net provides a web-based interface for creating and running JavaScript microbenchmarks. You can create your own benchmark by providing a description, script preparation code, and HTML preparation code (if needed). Additionally, you can explore other alternatives like: * **Benchmarking libraries:** e.g., Benchmark.js or Benchmarky * **Online compiler platforms:** e.g., Repl.it or CodePen * **JavaScript engine benchmarking tools:** e.g., V8's Benchmarks or SpiderMonkey's Benchmark Suite
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