Benchmark: Branching if-else-if, if-return, lodash cond v2

HTML Preparation code:

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

Script Preparation code:

var TYPES = {
  A: 'a',
  B: 'b',
  C: 'c',
  CExt: 'c_ext',
  D: 'd',
  E: 'e',
  F: 'f',
  G: 'g',
  Other: 'Other',
};

function isA(x) {
  return x.type === 'a';
}

function isB(x) {
  return x.type === 'b';
}

function isC(x) {
  return x.type === 'c';
}

function isExt(x) {
  return x.type.indexOf('_ext') >= 0;
}

function isD(x) {
  return x.type === 'd';
}

function isE(x) {
  return x.type === 'e';
}

function isF(x) {
  return x.type === 'f';
}

function isG(x) {
  return x.type === 'g';
}

var testData = [{ type: 'a'}, { type: 'c'}, { type: 'c_ext'}, { type: 'z'}, { type: 'f'}];

Tests:

initial
function getType(x) { if (isA(x)) { return TYPES.A; } else if (isB(x)) { return TYPES.B; } else if(isC(x)) { if (isExt(x)) { return TYPES.CExt; } return TYPES.C; } else if(isD(x)) { return TYPES.D; } else if(isE(x)){ return TYPES.E; } else if(isF(x)) { return TYPES.F; } else if(isG(x)) { return TYPES.G; } return TYPES.Other; } testData.map(getType);
plain
function getTypePlain(x) { if (isA(x)) { return TYPES.A; } if (isB(x)) { return TYPES.B; } if(isC(x)) { if (isExt(x)) { return TYPES.CExt; } return TYPES.C; } if(isD(x)) { return TYPES.D; } if(isE(x)){ return TYPES.E; } if(isF(x)) { return TYPES.F; } if(isG(x)) { return TYPES.G; } return TYPES.Other; } testData.map(getTypePlain);
lodash
var _getType = _.cond([ [isA, _.constant(TYPES.A)], [isB, _.constant(TYPES.B)], [isC, _.cond([ [isExt, _.constant(TYPES.Ext)], [_.stubTrue, _.constant(TYPES.C)] ])], [isD, _.constant(TYPES.D)], [isE, _.constant(TYPES.E)], [isF, _.constant(TYPES.F)], [isG, _.constant(TYPES.G)], [_.stubTrue, _.constant(TYPES.Other)], ]); testData.map(_getType);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
initial
plain
lodash

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 7 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36

Browser/OS: Chrome 116 on Windows

View result in a separate tab

Test name	Executions per second
initial	313835.6 Ops/sec
plain	308609.5 Ops/sec
lodash	150442.8 Ops/sec

Branching if-else-if, if-return, lodash cond v2 (version: 0)

Comparing performance of: initial vs plain vs lodash

Created: 4 years ago by: Guest

Jump to the latest result

initial

plain

lodash

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A