Run results for: Ramda complex map over large array

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.131 Safari/537.36

Browser: Chrome 74

Operating system: Linux

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Propagate DEEP	4.9 Ops/sec
Propagate	34.3 Ops/sec
Without propagate	6340785.0 Ops/sec

HTML Preparation code:

<script src="//cdnjs.cloudflare.com/ajax/libs/ramda/0.25.0/ramda.min.js"></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var data = []

for (var i = 1; i <= 50000; i++) {
	data.push({
		id: i,
		value: 'test',
      	otherValue: 'other test'
	})
}

var realData = {
	toPropagate: {
    	attributes: {
        	id: { name: '1id' },
          	value: { name: '2value' },
            id: { name: '3id' },
          	value: { name: '4value' },
        	id: { name: '5id' },
          	value: { name: '6value' },
            id: { name: '7id' },
          	value: { name: '8value' },
        	id: { name: '9id' },
          	value: { name: '10value' },
            id: { name: '11id' },
          	value: { name: '12value' },
        	id: { name: '13id' },
          	value: { name: '14value' },
            id: { name: '15id' },
          	value: { name: '16value' },
        	id: { name: '17id' },
          	value: { name: '18value' },
            id: { name: '19id' },
          	value: { name: '20value' },
        	id: { name: '21id' },
          	value: { name: '22value' },
            id: { name: '23id' },
          	value: { name: '24value' },
        	id: { name: '25id' },
          	value: { name: '26value' },
            id: { name: '27id' },
          	value: { name: '28value' },
        	id: { name: '29id' },
          	value: { name: '30value' },
            id: { name: '31id' },
          	value: { name: '32value' },
        	id: { name: '33id' },
          	value: { name: '34value' },
            id: { name: '35id' },
          	value: { name: '36value' },
        	id: { name: '37id' },
          	value: { name: '38value' },
            id: { name: '39id' },
          	value: { name: '40value' },
        	id: { name: '41id' },
          	value: { name: '42value' },
            id: { name: '43id' },
          	value: { name: '44value' },
        	id: { name: '45id' },
          	value: { name: '46value' },
            id: { name: '47id' },
          	value: { name: '48value' },
        	id: { name: '49id' },
          	value: { name: '50value' },
            id: { name: '51id' },
          	value: { name: '52value' },
        	id: { name: '53id' },
          	value: { name: '54value' },
            id: { name: '55id' },
          	value: { name: '56value' }
        }
    },
  	data
}

function propagate (realData) {
	return dataItem => {
    	return R.assoc('propagated', realData.toPropagate, dataItem)
    }
}

function propagateDeep (realData) {
	return dataItem => {
      	dataItem.propagated = _.cloneDeep(realData.toPropagate)
      	return dataItem
    }
}

function propagateAll () {
	return R.pipe(
		R.prop('data'),
		R.map(propagate(realData)),
	  	data => { return R.assoc('data', data, realData) }
	)(realData)
}

function propagateAllDeep () {
	return R.pipe(
		R.prop('data'),
		R.map(propagateDeep(realData)),
	  	data => { return R.assoc('data', data, realData) }
	)(realData)
}

function doNotPropagate () {
  	return realData
}

Tests:

Without propagate
doNotPropagate()
Propagate
propagateAll()
Without propagate2
doNotPropagate()
Propagate DEEP
propagateAllDeep()

Run results for: Ramda complex map over large array

Without propagate

Propagate

Without propagate2

Propagate DEEP