Benchmark: fetch.arrayBuffer() vs fetch.bytes()

HTML Preparation code:

<!--your preparation HTML code goes here-->

Tests:

fetch.arrayBuffer() [Async/Deferred]
var response = await fetch('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'); await response.arrayBuffer(); deferred.resolve();
fetch.bytes() [Async/Deferred]
var response = await fetch('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'); await response.bytes(); deferred.resolve();

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
fetch.arrayBuffer()
fetch.bytes()

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 11 days ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser/OS: Chrome 135 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
fetch.arrayBuffer()	4.8 Ops/sec
fetch.bytes()	4.7 Ops/sec

Autogenerated LLM Summary (model gpt-4o-mini, generated 2 months ago):

LLMs can make mistakes. Check important info.

The benchmark defined in the JSON compares the performance of two methods for handling response data from a fetch request in JavaScript: `fetch.arrayBuffer()` and `fetch.bytes()`. Both methods are used to retrieve binary data from a server. Here’s a detailed breakdown of each approach, along with their pros, cons, and other considerations.

### Options Compared

1. **`fetch.arrayBuffer()`**
   - **Purpose**: This method returns a promise that resolves with an `ArrayBuffer` representing the binary data. An `ArrayBuffer` is a generic, fixed-length raw binary data buffer.
   - **Usage**:
     ```javascript
     var response = await fetch(url);
     var arrayBuffer = await response.arrayBuffer();
     ```
   - **Benchmark Results**: This method produced 3.2407 executions per second on the test machine.

2. **`fetch.bytes()`**
   - **Purpose**: This method is presumed to be a hypothetical function for illustrative purposes as it's not a part of the standard Fetch API in JavaScript. Typically, one would use `response.blob()` or similar methods for handling binary data. If it existed in this benchmark context, it would likely retrieve raw byte data similarly to `arrayBuffer`.
   - **Usage**:
     ```javascript
     var response = await fetch(url);
     var bytes = await response.bytes(); // This assumes bytes() is valid
     ```
   - **Benchmark Results**: This method recorded 3.2129 executions per second in the benchmarking results.

### Pros and Cons

#### `fetch.arrayBuffer()`
- **Pros**:
  - Part of the standard Fetch API.
  - Provides direct access to the underlying binary data, which is useful for applications that need efficient manipulation of binary data like images or audio.
  - Ideal for handling binary data structures such as typed arrays.

- **Cons**:
  - Requires management of the `ArrayBuffer`, which adds complexity in terms of data manipulation compared to higher-level abstractions like `Blob` or `File`.

#### `fetch.bytes()`
- **Pros**:
  - If it were implemented, it could provide a simpler interface for handling binary data (assuming it abstracts byte handling effectively).
  
- **Cons**:
  - It's not a standard feature of the Fetch API, meaning it could lead to compatibility issues across different environments.
  - If similar functionalities exist (like using `response.blob()`), having a separate `bytes()` method could lead to redundancy.

### Other Considerations
- **Performance Difference**: The performance between the two methods was minimal; `arrayBuffer()` slightly outperformed `bytes()` in this particular benchmark. It suggests that for standard compliant and widely supported methods, `arrayBuffer()` might be the safer choice for developers.

- **Cross-Browser Compatibility**: Since `fetch.arrayBuffer()` is a standardized method, it’s supported across modern browsers. In contrast, `fetch.bytes()` would not have broad support, making it less safe for production code.

### Alternatives
1. **`fetch.blob()`**: This method allows fetching binary data as a `Blob` object, which represents a file-like object of immutable, raw data. It’s easier to work with in the context of uploading files or displaying images on a webpage.
   ```javascript
   var response = await fetch(url);
   var blob = await response.blob();
   ```

2. **`fetch.text()`**: If the data is in text format, this method converts the response to text, which can be beneficial for handling JSON responses or readable text data.

3. **Typed Arrays**: If you are using `arrayBuffer()`, you can create various typed arrays such as `Uint8Array`, `Float32Array`, etc., based on the `ArrayBuffer` to work with binary data more conveniently.

### Conclusion
In summary, this benchmark is essential for assessing the performance of different data retrieval methods within the Fetch API in JavaScript. Developers should prefer standardized methods like `fetch.arrayBuffer()` for binary data handling for improved compatibility and performance. The experimental `fetch.bytes()` could be considered if it becomes standardized and proves to be beneficial in practice, but should be approached with caution due to its current non-standard status.

Related benchmarks:

fetch.arrayBuffer() vs fetch.bytes() (version: 1)

Comparing performance of: fetch.arrayBuffer() vs fetch.bytes()

Created: 2 months ago by: Guest

Jump to the latest result

fetch.arrayBuffer() [Async/Deferred]

fetch.bytes() [Async/Deferred]

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model gpt-4o-mini, generated 2 months ago):