Benchmark: Lodash cloneDeep vs structuredClone vs JSON Parse 2023

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    "setting": {}
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  "loadModule": {
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var myCopy = null;

Tests:

Lodash cloneDeep
myCopy = _.cloneDeep(MyObject);
Native structuredClone
myCopy = structuredClone(MyObject);
JSON Parse
myCopy = JSON.parse(JSON.stringify(MyObject));

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash cloneDeep
Native structuredClone
JSON Parse

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:120.0) Gecko/20100101 Firefox/120.0

Browser/OS: Firefox 120 on Mac OS X 10.15

View result in a separate tab

Test name	Executions per second
Lodash cloneDeep	6936.7 Ops/sec
Native structuredClone	14668.1 Ops/sec
JSON Parse	19941.2 Ops/sec

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

LLMs can make mistakes. Check important info.

A complex benchmarking scenario!

After analyzing the data, I'll attempt to provide an answer.

**Individual test cases:**

1. **"Benchmark Definition": "myCopy = _.cloneDeep(MyObject);",**
	* **Test Name:** "Lodash cloneDeep"
2. **"Benchmark Definition": "myCopy = structuredClone(MyObject);,"**
	* **Test Name:** "Native structuredClone"
3. **"Benchmark Definition": "myCopy = JSON.parse(JSON.stringify(MyObject));",**
	* **Test Name:** "JSON Parse"

**Latest benchmark result:**

1. **RawUAString**: "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:120.0) Gecko/20100101 Firefox/120.0"
2. **Browser**: "Firefox 120"
3. **DevicePlatform**: "Desktop"
4. **OperatingSystem**: "Mac OS X 10.15"
5. **ExecutionsPerSecond**: 
	* **TestName:** "JSON Parse" = 14668.0556640625
	* **TestName:** "Native structuredClone" = 6936.74462890625
	* **TestName:** "Lodash cloneDeep" = 19941.205078125

**Observations:**

* The latest benchmark result shows that:
	+ Lodash `cloneDeep` is the fastest, with an execution rate of approximately 20 executions per second.
	+ Native `structuredClone` is slower than expected, but still faster than JSON Parse.
	+ JSON Parse is the slowest.

**Conclusion:**
Lodash's `cloneDeep` is currently the fastest method for cloning a complex object like `MyObject`. However, it's worth noting that the results may vary depending on the specific use case and environment.

Related benchmarks:

Lodash cloneDeep vs structuredClone vs JSON Parse 2023 (version: 0)

https://developer.mozilla.org/en-US/docs/Web/API/structuredClone

Comparing performance of: Lodash cloneDeep vs Native structuredClone vs JSON Parse

Created: one year ago by: Registered User

Jump to the latest result

Lodash cloneDeep

Native structuredClone

JSON Parse

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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