Benchmark: Fastest way to check if object is empty with 3 types of checks with big amount of data

Script Preparation code:

var xxx = {
  '0': {
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ],
        '3': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ],
        '3': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ],
        '3': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ],
        '3': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ],
        '3': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ],
        '3': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ],
        '3': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ],
        '3': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ],
        '3': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ],
        '3': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ],
        '3': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ],
        '3': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ],
        '3': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ],
        '3': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ],
        '3': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ],
        '3': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ],
        '3': [
          'AAA'
        ]
      }
    },
    'AAA': {
      '1': {
        '2': [
          'AAA'
        ],
        '3': [
          'AAA'
        ]
      }
    }
  }
}

Tests:

object.keys()
Object.keys(xxx) === 0
JSON.stringify()
JSON.stringify(xxx) === "{}"
iterate over props
let isEmpty = true; for (const key in xxx) { isEmpty = false; break; } return isEmpty;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
object.keys()
JSON.stringify()
iterate over props

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36 Edg/123.0.0.0

Browser/OS: Chrome 123 on Linux

View result in a separate tab

iterate over props

8.9M/s

object.keys()

6.5M/s

JSON.stringify()

1.5M/s

View exact numbers

Test name	Executions per second
✓ iterate over props	8,856,006 Ops/sec
object.keys()	6,483,140 Ops/sec
JSON.stringify()	1,498,514 Ops/sec

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

LLMs can make mistakes. Check important info.

It seems like you're describing the output of a tool or test suite that generates benchmarks for JavaScript code.

Based on the provided data, I'll attempt to provide some insights:

1. **Individual test cases**: The first section lists three test cases:
	* `object.keys()`: Verifies if the `Object.keys()` method returns an empty array when applied to an object.
	* `JSON.stringify()`: Verifies if the `JSON.stringify()` method returns a string equal to `{}` when applied to an object.
	* `iterate over props`: Verifies if iterating over an object's properties using a `for...in` loop sets a flag (`isEmpty`) to `true` if no properties are found. Note that this test case seems slightly unusual, as the flag is set to `false` on the first iteration.

2. **Latest benchmark result**: The second section presents three benchmarking results:
	* Each result includes information about the browser version, device platform, operating system, and execution rate per second (e.g., "ExecutionsPerSecond": 8856006.0).
	* These results likely indicate the performance of each test case under different conditions.

To provide a more specific answer, I would need more context or details about what these benchmarks are measuring or how they relate to the code being tested.

Fastest way to check if object is empty with 3 types of checks with big amount of data (version: 0) Benchmark.js

You don't need to make add for loops in your test scenarios, the benchmark does it itself.

Comparing performance of: `object.keys() vs JSON.stringify() vs iterate over props`

Created: 2 years ago by: Guest

Go to the latest result

object.keys()

JSON.stringify()

iterate over props

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

Fastest way to check if object is empty with 3 types of checks with big amount of data (version: 0) Benchmark.js

You don't need to make add for loops in your test scenarios, the benchmark does it itself.

Comparing performance of: object.keys() vs JSON.stringify() vs iterate over props

Created: 2 years ago by: Guest

Go to the latest result

object.keys()

JSON.stringify()

iterate over props

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

Related benchmarks

Comparing performance of: `object.keys() vs JSON.stringify() vs iterate over props`