Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
sdfgsdg
(version: 0)
Comparing performance of:
asd vs sda
Created:
5 years ago
by:
Guest
Jump to the latest result
Tests:
asd
Array(5).fill({})
sda
Array.from({length: this.entries}, v => ({}))
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
asd
sda
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 the provided benchmark configuration and explain what's being tested. **Benchmark Definition:** The `Benchmark Definition` section defines the script that will be used to run the benchmark. In this case, there are two test cases: 1. `Array(5).fill({})`: This is a simple JavaScript expression that creates an array of length 5 and fills it with empty objects. 2. `Array.from({length: this.entries}, v => ({}))`: This expression uses the `Array.from()` method to create a new array from an object's entries. The `this.entries` part suggests that this is a test case using the `entries` property of an object, which returns an iterator over its own entries. **Options Compared:** The benchmark is comparing the execution performance of these two expressions on different browsers and devices. **Pros and Cons of Different Approaches:** 1. Using `Array(5).fill({})`: * Pros: Simple, easy to understand, and widely supported. * Cons: May not be as efficient or scalable as other approaches. 2. Using `Array.from({length: this.entries}, v => ({}))`: * Pros: Can take advantage of object iteration optimizations, making it potentially faster. * Cons: May require a modern browser and/or specific JavaScript engine support. **Library Usage:** There is no explicit library mentioned in the benchmark configuration. However, the use of `Array.from()` suggests that the test case may be relying on the ES6 specification for Array methods. **Special JS Feature/Syntax:** The `this.entries` syntax is not a standard JavaScript feature. Instead, it's likely using the `entries()` method of an object's prototype, which returns an iterator over its own entries. This syntax is specific to certain browser implementations and may not be supported by older browsers or environments. **Other Alternatives:** 1. Using `Array.prototype.fill()` instead of `Array(5).fill({})` could provide similar results. 2. Alternative expressions, such as `new Array(5).fill(null)` or `[]`.fill({}, 0)`, could be used to create an array filled with objects. 3. Other benchmarking approaches, like micro-benchmarking frameworks (e.g., Benchmark.js), may offer more features and flexibility for testing JavaScript performance. In summary, the provided benchmark configuration is testing the execution performance of two different expressions that create arrays filled with empty objects on various browsers and devices. The test cases use specific syntax and library features that are not standard JavaScript, which requires careful consideration when running or interpreting the results.
Related benchmarks:
string based guid generation
string based guid generation
Bitflags vs plain object <-> JSON
modulo vs bitlogic
dfjf2hdshsdrh
Comments
Confirm delete:
Do you really want to delete benchmark?