Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
filter vs compact enhanced
(version: 0)
from "filter vs compact" but with warmup and without `!!` type casts
Comparing performance of:
warm up (ignore me) vs lodash compact vs lodash filter vs Native filter
Created:
7 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<script src="https://cdn.jsdelivr.net/lodash/4.16.0/lodash.min.js"></script>
Script Preparation code:
var ops = [null, 1, 2, 3, 4, 5, null, null, null, 3, 4,5, 6, 34,341,2,2,2,1,212,21212,34,1,3112, null];
Tests:
warm up (ignore me)
_.map(ops, op => op)
lodash compact
_.compact(ops)
lodash filter
_.filter(ops, op => op)
Native filter
ops.filter(op => op)
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (4)
Previous results
Fork
Test case name
Result
warm up (ignore me)
lodash compact
lodash filter
Native filter
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 benchmark. **What is being tested?** The provided JSON represents a JavaScript microbenchmarking test case, where users can compare the performance of different approaches for filtering or compacting an array. The test cases are: 1. Lodash `map` function with warm-up 2. Lodash `compact` function 3. Lodash `filter` function 4. Native `filter` function (without using a library) **Options being compared** The benchmark is comparing the performance of four options: * Lodash's `map` function with warm-up * Lodash's `compact` function * Lodash's `filter` function * Native JavaScript `filter` function **Pros and Cons of each approach:** 1. **Lodash `map` function**: This approach is useful when you need to perform an operation on each element in the array, but it has a higher overhead due to the use of the `map` function. Pros: concise code, easy to read; Cons: may have performance overhead. 2. **Lodash `compact` function**: This approach is ideal for removing empty elements from an array. The Lodash implementation uses a single pass through the array, which is efficient. Pros: fast, simple, and concise; Cons: might not be suitable for more complex filtering scenarios. 3. **Native JavaScript `filter` function**: This approach is the most straightforward way to filter an array in JavaScript. It has a relatively low overhead compared to the Lodash implementation. Pros: lightweight, easy to understand; Cons: may have performance overhead if used incorrectly (e.g., using it for complex filtering). 4. **Lodash `filter` function**: Similar to the native JavaScript implementation, this approach is concise and easy to read. However, it might have a slight performance overhead due to the use of the `filter` function. Pros: readable code; Cons: may not be the most efficient. **Library usage** The Lodash library is used in three out of four test cases. Lodash provides a set of utility functions that can be reused across different projects, making it convenient for developers. The `_` prefix is commonly used to denote functions from the Lodash library. **Special JavaScript feature or syntax** None mentioned in this specific benchmark, but it's worth noting that other benchmarks might use more advanced features like async/await, Promises, or Web Workers. **Alternatives** If you're not using Lodash and want to filter arrays manually, you can use the native `filter` function. However, be mindful of its performance characteristics, especially when dealing with large arrays or complex filtering scenarios. If you need more advanced array manipulation functions, you might consider using a library like Ramda or another utility belt. Keep in mind that benchmarking results may vary depending on specific use cases and environments. These tests provide a general idea of the relative performance differences between these approaches, but your own measurements might differ.
Related benchmarks:
filter vs compact v4444
filter vs compact v555
filter vs compact w/ no op
lodash compact vs native filter vs lodash filter
Comments
Confirm delete:
Do you really want to delete benchmark?