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Encode vs Blob
(version: 0)
Comparing performance of:
Blob vs TextEncoder
Created:
4 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
iterations = 1000; function randomStringGen(n) { let strings = []; for (let i = 0; i < n; i++) { let s = Math.random().toString(36).substring(2, 15) + Math.random().toString(36).substring(2, 15); strings[i] = s; } return strings; } var randomStrings = randomStringGen(iterations); var encoder = new TextEncoder();
Tests:
Blob
var j = 0; for (let i = 0; i < iterations; i++) { var str = randomStrings[i % iterations]; new TextEncoder().encode(str).length }
TextEncoder
var j = 0; for (let i = 0; i < iterations; i++) { var str = randomStrings[i % iterations]; new Blob([str]).size }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Blob
TextEncoder
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
8 months ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:141.0) Gecko/20100101 Firefox/141.0
Browser/OS:
Firefox 141 on Windows
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Test name
Executions per second
Blob
8452.6 Ops/sec
TextEncoder
1208.6 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'll break down the benchmark and its options for you. **Benchmark Definition** The provided JSON represents a JavaScript microbenchmark that compares two approaches to encoding strings: `Blob` and `TextEncoder`. The benchmark is designed to measure the performance difference between these two methods. **Script Preparation Code** The script preparation code generates an array of random strings (`randomStrings`) using a custom function (`randomStringGen`). This function uses the `Math.random()` method to generate a string of length 15, which is then repeated to create the desired number of random strings. **Html Preparation Code** There is no HTML preparation code provided in this benchmark definition. This means that the benchmark only runs on the client-side and does not involve any server-side rendering or data fetching. **Individual Test Cases** There are two individual test cases: 1. **Blob**: This test case measures the performance of encoding a string using the `Blob` constructor. 2. **TextEncoder**: This test case measures the performance of encoding a string using the `TextEncoder` API. **Options Compared** The benchmark compares two options for encoding strings: * **Blob**: This method creates a new blob object containing the encoded string. * **TextEncoder**: This method uses the `TextEncoder` API to encode the string directly. **Pros and Cons of Each Approach** Here's a brief summary of the pros and cons of each approach: * **Blob**: + Pros: Can be used in situations where the encoded data needs to be streamed or chunked. + Cons: May incur additional overhead due to the creation of a new blob object, which can lead to performance issues. * **TextEncoder**: + Pros: Provides a lightweight and efficient way to encode strings, with low overhead and fast execution times. + Cons: May not be suitable for situations where the encoded data needs to be streamed or chunked. **Library** The `Blob` constructor is a built-in JavaScript API that creates a new blob object. The purpose of this library is to provide a way to work with binary data in a browser environment. **Special JS Feature or Syntax** There are no special JavaScript features or syntax used in this benchmark. It's a straightforward comparison of two encoding methods using standard JavaScript APIs. **Other Alternatives** Other alternatives for encoding strings include: * **Uint8Array**: This is a typed array that can be used to represent binary data. * **ArrayBuffer**: This is an abstract representation of a binary data buffer, which can be converted to a `Uint8Array` or another type of byte array. Note that these alternatives may offer different trade-offs in terms of performance, memory usage, and compatibility with different browsers or environments.
Related benchmarks:
Encode vs Blob vs length
Encode vs Blob on large string
Encode vs Blob v2
Encode vs Blob v2.1
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