Benchmark: yaml 2.1.1 vs js-yaml 4.1.0

HTML Preparation code:

<script type="module">
import jsyaml from 'https://cdn.skypack.dev/js-yaml@4.1.0'
import YAML from 'https://cdn.skypack.dev/yaml@2.1.1'
window.jsyaml = jsyaml
window.YAML = YAML
</script>

Script Preparation code:

var yamlString = 'key1: val1\nkey2: 7';

Tests:

js-yaml
var dummy = jsyaml.load(yamlString);
yaml
var dummy = YAML.parse(yamlString);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
js-yaml
yaml

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

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Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

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Let's dive into the explanation of the benchmark.

**What is being tested?**

The provided JSON represents two JavaScript microbenchmarks that compare the performance of `js-yaml` (version 4.1.0) and `YAML` (version 2.1.1) libraries for parsing YAML strings.

**Options compared:**

Two options are being compared:

1. **js-yaml**: A popular JavaScript YAML parser, which is an implementation of the YAML 1.2 specification.
2. **YAML**: A native JavaScript YAML parser, which is an implementation of the YAML 1.2 specification and is part of the Node.js standard library.

**Pros and Cons:**

*   **js-yaml (4.1.0)**:
    *   Pros:
        *   Fast execution times
        *   Robust and reliable parsing of complex YAML structures
        *   Supports a wide range of features, including comments, anchors, and references
    *   Cons:
        *   May have a steeper learning curve due to its custom syntax and implementation details
        *   Might not be as widely adopted or maintained as other options
*   **YAML (2.1.1)**:
    *   Pros:
        *   Native JavaScript implementation, which can lead to better performance and compatibility
        *   Simpler syntax and implementation compared to js-yaml
        *   Part of the Node.js standard library, making it a convenient choice for developers already familiar with Node.js
    *   Cons:
        *   May not be as fast or robust as js-yaml in terms of parsing performance
        *   Limited support for advanced YAML features

**Library and purpose:**

*   **js-yaml**: A third-party library that provides a JavaScript implementation of the YAML 1.2 specification. It's designed to be flexible, reliable, and efficient.
*   **YAML**: A built-in library in Node.js that provides a native JavaScript implementation of the YAML 1.2 specification. Its primary purpose is to enable developers to work with YAML data in their Node.js applications.

**Special JS features or syntax:**

There are no special JavaScript features or syntax mentioned in this benchmark. However, if you're interested in exploring other options, some notable alternatives for parsing YAML strings include:

*   **yamllint**: A tool that checks YAML files for errors and provides a report on any issues found.
*   **yaml-parser**: A lightweight, fast, and feature-rich YAML parser available as an npm package.

**Other considerations:**

When choosing between these options, consider the trade-offs between performance, reliability, and simplicity. If you need robust parsing of complex YAML structures and don't mind a steeper learning curve, `js-yaml` might be a good choice. On the other hand, if you're working with Node.js applications or prefer a native JavaScript implementation, `YAML` is a convenient option.

Keep in mind that this benchmark only compares the execution performance of these two libraries for parsing YAML strings. Depending on your specific use case, you may need to consider additional factors such as memory usage, error handling, and compatibility with other libraries or frameworks.

Related benchmarks:

yaml 2.1.1 vs js-yaml 4.1.0 (version: 0)

Comparing performance of: js-yaml vs yaml

Created: 3 years ago by: Registered User

Jump to the latest result

js-yaml

yaml

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):