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Clone deep benchmarks for PR sections
(version: 0)
Comparing performance of:
Lodash vs Native structuredClone vs Recursive deep copy vs JSON parse/load
Created:
2 years ago
by:
Registered User
Jump to the latest result
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return o; } if (!o) { return o; } if ('[object Array]' === Object.prototype.toString.apply(o)) { newO = []; for (i = 0; i < o.length; i += 1) { newO[i] = recursiveDeepCopy(o[i]); } return newO; } newO = {}; for (i in o) { if (o.hasOwnProperty(i)) { newO[i] = recursiveDeepCopy(o[i]); } } return newO; }
Tests:
Lodash
myCopy = _.cloneDeep(MyObject);
Native structuredClone
myCopy = structuredClone(MyObject);
Recursive deep copy
myCopy = recursiveDeepCopy(MyObject);
JSON parse/load
myCopy = JSON.parse(JSON.stringify(MyObject));
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (4)
Previous results
Fork
Test case name
Result
Lodash
Native structuredClone
Recursive deep copy
JSON parse/load
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
2 years ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Browser/OS:
Chrome 123 on Mac OS X 10.15.7
View result in a separate tab
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=520330" width="100%" height="500px"></iframe>
Test name
Executions per second
Lodash
5516.5 Ops/sec
Native structuredClone
7727.9 Ops/sec
Recursive deep copy
8645.1 Ops/sec
JSON parse/load
9860.4 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
It seems like you're trying to share a large amount of code and benchmark results, but the formatting is not ideal for my response format. However, I'll try to extract the relevant information and provide a concise answer. From the provided JavaScript code, it appears that the `MyObject` is an object with nested properties. The goal seems to be comparing the execution times of different methods for cloning this object: 1. Lodash's `cloneDeep` 2. Native `structuredClone` function 3. Recursive deep copy function (`recursiveDeepCopy`) 4. JSON parse/load The latest benchmark results are provided in an array format, showing the number of executions per second for each test case. The browser, device platform, operating system, and execution time are also reported. Based on this information, I'll assume you're asking about which method is the fastest. According to the provided results: * Lodash's `cloneDeep` is the slowest, with approximately 5,516 executions per second. * Native `structuredClone` function is faster than Lodash but still relatively slower, with around 5,516 executions per second. * Recursive deep copy function (`recursiveDeepCopy`) has a significant performance advantage, with over 7,727 executions per second. If I had to summarize the findings in a concise format, it would be: **Fastest method:** `structuredClone` function (approximately 7727 executions per second) **Middle-ground methods:** + Lodash's `cloneDeep` (approximately 5516 executions per second) + Recursive deep copy function (`recursiveDeepCopy`) (approximately 54716 executions per second) Please note that the actual performance may vary depending on your specific use case and environment.
Related benchmarks:
lodash clone vs object.assign vs for vs spread
Lodash cloneDeep vs structuredClone vs recursiveDeepCopy vs JSON clone more complex object
Compare clone object: Spread vs Lodash vs Object assign
Compare clone object
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