Benchmark: Compare deep clone object performance

Script Preparation code:

var testObj = {
 "content": [
   {
     "columnGap": 10,
     "columns": [
       {
         "svg": "\n    <svg><path/></svg>",
		 "width": 100
       },
       {
        "style": "reportMainHeading",
         "text": "Azure-Central-US",
         "width": "*" 
       }
      ]
   },
   {
    "canvas": [
        {
          "lineColor": "#CCCCCC",
          "lineWidth": 3,
          "type": "line"
        }
      ],
     "margin": [0, 10]
   }
 ]
};

var recursiveDeepCopy = (obj) => {
  return Object.keys(obj).reduce(
          (acc, key) =>
              Object.assign(acc, {
                  [key]:
                      typeof obj[key] === 'object' && obj[key].constructor === Object
                          ? getDeepCloneObj(obj[key])
                          : obj[key]
              }),
          {}
      );
};

var jsonDeepCopy = (obj) => {
 	return JSON.parse(JSON.stringify(obj)); 
}

Tests:

recursiveDeepCopy
recursiveDeepCopy(testObj);
jsonDeepCopy
jsonDeepCopy(testObj);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
recursiveDeepCopy
jsonDeepCopy

Fastest: N/A

Slowest: N/A

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Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36

Browser/OS: Chrome 113 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
recursiveDeepCopy	1874984.0 Ops/sec
jsonDeepCopy	283249.3 Ops/sec

Compare deep clone object performance (version: 0)

Comparing performance of: recursiveDeepCopy vs jsonDeepCopy

Created: 11 months ago by: Registered User

Jump to the latest result

recursiveDeepCopy

jsonDeepCopy

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A