Benchmark: obj assign setproto create

Script Preparation code:

(function(){
  function _base() {
    return {
      a:111,b:1,c:'2134124141',
      d:'werrqwer',e:'34234',fffffffff:'324234',
      gggggg:'99999',jadf:'adsfa',asdfasdf:'asdf',asdfasdf:'sadf',
      [Math.random()]:Math.random(),
      [Math.random()]:Math.random()
    }
  }

  
(function(){
	const base = _base()
	window.assign = function(x){
		return Object.assign({[Math.random()+'x']:Math.random()+'x'+x},base)
  	}
})();

(function(){
	const base = _base()
	window.setproto = function(x){
        const z = Object.setPrototypeOf({
          [Math.random()+'x']: Math.random()+'x'+x
        },base)
		return z
	}
})();
  
  (function(){
	const base = _base()
	window.proto = function(x){
        const z = {
          [Math.random()+'x']: Math.random()+'x'+x
        }
        z.__proto__ = base
		return z
	}
})();
  
 
  (function(){
	const base = _base()
	window.create = function(x){
        const p = Object.create(base)
        p[Math.random()+'x'] = Math.random()+'x'+x
		return z
	}
})();
  
 (function(){
	const base = _base()
	window.factory = function(x){
        const o = _base()
        o[Math.random()+'x'] = Math.random()+'x'+x
		return o
	}
})();

})()

Tests:

assign
var red = assign('xx');
setproto
var yellow = setproto('yy');
proto
var z = proto('z');
create
var a = create('a');
factory
var b = factory('b')

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
assign
setproto
proto
create
factory

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 4 years ago)

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.100 Safari/537.36

Browser/OS: Chrome 75 on Windows 7

View result in a separate tab

Test name	Executions per second
assign	80802.9 Ops/sec
setproto	247022.8 Ops/sec
proto	220982.8 Ops/sec
create	0.0 Ops/sec
factory	121293.9 Ops/sec

obj assign setproto create (version: 0)

Comparing performance of: assign vs setproto vs proto vs create vs factory

Created: 5 years ago by: Guest

Jump to the latest result

assign

setproto

proto

create

factory

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A