Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Some vs Reduce - v1
(version: 0)
Comparing performance of:
Reduce - obj vs Reduce - arr vs Some
Created:
3 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<div id=''></div>
Script Preparation code:
var bundles = [{ isLoading: false, isFetching: false, }, { isLoading: false, isFetching: false, }, { isLoading: false, isFetching: false, }, { isLoading: true, isFetching: false, }, { isLoading: false, isFetching: false, }, { isLoading: false, isFetching: true, }, ]
Tests:
Reduce - obj
return bundles.reduce((acc, bundle) => ({ isLoading: acc.isLoading || bundle.isLoading, isFetching: acc.isFetching || bundle.isFetching }), {isLoading: false, isFetching: false})
Reduce - arr
return bundles.reduce((acc, bundle) => [acc[0] || bundle[0], acc[1] || bundle[1]], [false, false])
Some
return { isLoading: bundles.some(bundle => bundle.isLoading), isFetching: bundles.some(bundle => bundle.isFetching) }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
Fork
Test case name
Result
Reduce - obj
Reduce - arr
Some
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 break down what is being tested in the provided JSON. **Benchmark Definition** The benchmark definition is an object that contains information about the test case, but no actual code. It defines two reduction methods: 1. `Reduce - obj`: This method uses the `reduce()` function with a callback function to merge objects. 2. `Reduce - arr`: This method uses the `reduce()` function with a callback function to merge arrays. 3. `Some`: This method uses the `some()` function to check if any element in an array meets a certain condition. **Script Preparation Code** The script preparation code is a JavaScript snippet that defines an array of objects (`bundles`) with various properties, including `isLoading` and `isFetching`. These bundles are used as input for the reduction methods. **Html Preparation Code** The html preparation code is an empty HTML string that is likely used to create a test environment or container for the benchmarking process. **Individual Test Cases** Each test case represents a different way of using the `reduce()` function. Let's break them down: 1. **Reduce - obj**: This method uses the `reduce()` function with a callback function to merge objects. The callback function checks if the current object has an `isLoading` property or sets it to true if not, and does the same for the `isFetching` property. * Pros: Concise and readable code, easy to understand the intention of the test case. * Cons: May be less efficient than other approaches due to the repeated checks. 2. **Reduce - arr**: This method uses the `reduce()` function with a callback function to merge arrays. The callback function returns an array with two elements, where each element is set to either false or true based on the corresponding property in the bundle object. * Pros: Can be more efficient than the previous approach since it avoids repeated checks. * Cons: May have performance issues if the input array is large due to the recursive nature of the callback function. 3. **Some**: This method uses the `some()` function to check if any element in an array meets a certain condition (i.e., if there's at least one bundle with `isLoading` or `isFetching` set to true). * Pros: Can be more efficient than the previous approaches since it only needs to iterate through the array once. * Cons: May not provide useful information about the actual execution time of the reduction operation. **Library and Special JS Features** There is no explicit mention of any libraries or special JavaScript features being used in this benchmark. However, some JavaScript versions (e.g., ES6+) support features like `const`, `let`, and arrow functions, which may be used implicitly by the test cases. **Alternatives** Some possible alternatives to measure performance could include: 1. Using a different reduction method, such as `forEach()` or `map()`. 2. Comparing the performance of different array data structures (e.g., sparse arrays vs. dense arrays). 3. Evaluating the impact of caching or memoization on the execution time. 4. Using a parallel benchmarking approach to compare the performance of multiple test cases simultaneously. Keep in mind that these alternatives would require significant changes to the benchmark definition and script preparation code, but could potentially provide more comprehensive insights into JavaScript performance.
Related benchmarks:
For loop vs For...Of loop 3
.includes vs .some
Object.keys filter vs Object.values reduce
Lodash _.has vs Optional Chaining
Reduce with Spread vs Map creation
Comments
Confirm delete:
Do you really want to delete benchmark?