Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
else vs continue
(version: 0)
Comparing performance of:
else vs continue
Created:
7 years ago
by:
Guest
Jump to the latest result
Tests:
else
let array = []; for (let i = 2000000; i > 0; i--) { if (i % 2) { array.push(1); } else { array.push(2); } }
continue
let array = []; for (let i = 2000000; i > 0; i--) { if (i % 2) { array.push(1); continue; } array.push(2) }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
else
continue
Fastest:
N/A
Slowest:
N/A
Latest run results:
No previous run results
This benchmark does not have any results yet. Be the first one
to run it!
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the world of JavaScript microbenchmarks on MeasureThat.net. The provided JSON represents two benchmark test cases: "else vs continue". These tests aim to compare the performance differences between using `if` statements with an `else` clause versus using `continue` statements in a loop. **Test Case 1: Else** In this test case, the script uses a simple for loop that iterates from 2,000,000 to 0. Inside the loop, it pushes either 1 or 2 onto an array based on whether the current iteration is odd (using `i % 2`). **Test Case 2: Continue** In this test case, the script uses a similar for loop, but when the condition `i % 2` evaluates to true, it not only pushes 1 onto the array but also immediately exits the inner if statement using the `continue` keyword. Now, let's discuss the options being compared: **Option 1: Else** * **Pros:** This approach allows the loop to continue executing even when the condition is false. It can be beneficial in situations where you need to execute code regardless of the branch taken. * **Cons:** In this specific test case, using `else` might lead to unnecessary iterations and slower performance compared to the alternative. **Option 2: Continue** * **Pros:** This approach allows the loop to skip unnecessary iterations when a certain condition is met. It can improve performance by reducing the number of iterations. * **Cons:** By exiting the inner if statement, this approach may lead to unexpected behavior or side effects in certain situations. Other considerations: * The use of `push` operations onto an array might impact performance due to the need for array resizing and reallocation. This could affect the overall results of the benchmark. * The number of iterations (2,000,000) used in both test cases is relatively high. This may amplify any differences between the two options. Now, let's discuss what library or features are being utilized: * No specific libraries are mentioned in either benchmark definition. * There are no special JavaScript features or syntaxes being tested in this comparison (e.g., async/await, promises, etc.). The test cases use a standard for loop and conditional statements to compare the performance of different approach. Other alternatives that could be explored: * Using `for...of` loops instead of traditional `for` loops * Comparing different array operations (e.g., `splice`, `concat`) versus `push` * Examining the impact of memoization or caching on performance in similar scenarios
Related benchmarks:
If vs Switch
If vs Switch
else vs continue vs short if
Nullish coalescing vs if-chains
Comments
Confirm delete:
Do you really want to delete benchmark?