Benchmark: JSON.parse() vs. js-yaml 4.1.0 vs. yaml 2.3.1

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/js-yaml/4.1.0/js-yaml.min.js"></script>
<script type="module">
import yaml from "https://cdn.skypack.dev/pin/yaml@v2.3.1-T7Nbcyc9CBdWzao77zGJ/mode=imports,min/optimized/yaml.js";
window.yaml = yaml;
</script>

Script Preparation code:

var jsonString = '{"key1": "val1", "key2": 7}';
var yamlString = 'key1: val1\nkey2: 7';

Tests:

JSON.parse()
var dummy = JSON.parse(jsonString);
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
JSON.parse()
js-yaml
yaml

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: one month ago)

User agent: Mozilla/5.0 (iPad; CPU OS 17_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/123.0.6312.52 Mobile/15E148 Safari/604.1

Browser/OS: Chrome Mobile iOS 123 on iOS 17.3

View result in a separate tab

Test name	Executions per second
JSON.parse()	6848340.0 Ops/sec
js-yaml	786599.6 Ops/sec
yaml	114355.8 Ops/sec

JSON.parse() vs. js-yaml 4.1.0 vs. yaml 2.3.1 (version: 0)

Compare popular yaml parsers with native JSON parser

Comparing performance of: JSON.parse() vs js-yaml vs yaml

Created: 9 months ago by: Guest

Jump to the latest result

JSON.parse()

js-yaml

yaml

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A