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string to array of chars
(version: 0)
Comparing performance of:
10 chars vs 100 chars vs 10 emojis
Created:
4 years ago
by:
Guest
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Tests:
10 chars
let chars=Array.from("1234567890")
100 chars
let chars=Array.from("1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890")
10 emojis
let chars=Array.from("😀😀😀😀😀😀😀😀😀😀")
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
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Test case name
Result
10 chars
100 chars
10 emojis
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 data and explain what's being tested, compared, and other considerations. **Benchmark Definition JSON** The benchmark definition is a simple JavaScript snippet that creates an array of characters using `Array.from()` and a string literal. The benchmark measures the performance of different approaches to convert a string to an array of characters. **Options Compared** There are three test cases with varying lengths: 10 characters, 100 characters, and 1000 characters (not explicitly mentioned in the provided data, but inferred from the longer strings). The options being compared are: 1. **Simple String Slice**: Using `Array.from()` with a single string slice (`"1234567890"`). 2. **Longer Strings**: Creating an array of characters using `Array.from()` with longer strings (`"1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890"` and `"😀😀😀😀😀😀😀😀😀😀"`). 3. **Emojis**: Creating an array of characters using `Array.from()` with emojis (`"😀😀😀😀😀😀😀😀😀😀"`). **Pros and Cons** * **Simple String Slice**: Pros: simple, efficient. Cons: may not work well for longer strings. * **Longer Strings**: Pros: can be used to test performance with longer inputs. Cons: may introduce additional overhead due to the longer string creation. * **Emojis**: Pros: tests performance with a specific set of characters that might have unique rendering requirements. Cons: may not represent typical use cases. **Library and Purpose** The `Array.from()` method is a part of the ECMAScript standard and is used to create an array from an iterable (such as a string). It's designed to be efficient and flexible, making it a popular choice for many JavaScript tasks. **Special JS Feature or Syntax** * **Template Literals**: The benchmark uses template literals (`"😀😀😀😀😀😀😀😀😀😀"`), which are a feature introduced in ECMAScript 2015 (ES6). They allow for more readable and expressive string creation. While not essential to the benchmark, understanding template literals can help with interpreting the results. **Other Considerations** * **Device Platform**: The benchmark is run on a Mac OS X 10.15 desktop device. * **Browser**: The benchmark is executed in Firefox 89. * **Executions Per Second**: This metric measures how many iterations of the benchmark are completed per second. **Alternatives** If you're interested in exploring alternative approaches to this benchmark, consider: 1. Using a different string representation or encoding (e.g., UTF-8). 2. Adding more test cases with varying input lengths. 3. Comparing performance using different JavaScript engines (e.g., V8, SpiderMonkey). 4. Including CPU-bound operations alongside the JavaScript tests. Keep in mind that these alternatives may not be directly relevant to MeasureThat.net's specific use case and should be explored on a case-by-case basis.
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