++bench-partial.js

const assert = require('assert');
const partialLodash = require('lodash.partial');

var protoSlice = Array.prototype.slice;

function partialApply(fn, v) {
  return function() {
    var args = protoSlice.call(arguments);
    args.unshift(v);
    return fn.apply(null, args);
  };
}

function partial2(fn, a) {
  return function(b, c) {
    return fn(a, b, c);
  };
}

function add3(a, b, c) {
  return a + b + c;
}

var fnApply = partialApply(add3, 21);
var fnLodash = partialLodash(add3, 21);
var fnPartial2 = partial2(add3, 21);

const test = () => {
  assert.equal(26, fnApply(2, 3));
  assert.equal(26, fnPartial2(2, 3));
  assert.equal(26, fnLodash(2, 3));
};

suite('partial', () => {
  const {N = 100000} = require('./conf');

  before(() => {
    test();
  });

  bench('apply', () => {
    let i = -1;
    while (++i < N) fnApply(i, i + 1);
  });

  bench('lodash.partial', () => {
    let i = -1;
    while (++i < N) fnLodash(i, i + 1);
  });

  bench('partial2', () => {
    let i = -1;
    while (++i < N) fnPartial2(i, i + 1);
  });
});

+results.txt

partial
  apply .......................................... 33 op/s
  lodash.partial ................................. 287 op/s
  partial2 ....................................... 11,773 op/s

Suites:  1
Benches: 3
Elapsed: 4,971.71 ms

conf.js

let N;

if (process.env.BENCH_N) N = process.env.BENCH_N;

if (process.env.TEST) {
  set('type', 'static');
  set('iterations', 1);
  N = 1;
}

module.exports = {
  N
};

package-lock.json

{
  "name": "bench-partial",
  "version": "1.0.0",
  "lockfileVersion": 1,
  "requires": true,
  "dependencies": {
    "drip": {
      "version": "1.1.0",
      "resolved": "https://registry.npmjs.org/drip/-/drip-1.1.0.tgz",
      "integrity": "sha1-zO+x5obYb8EVtwyewSb4+HG9/X4=",
      "dev": true,
      "requires": {
        "tea-concat": "0.1.0"
      }
    },
    "electron": {
      "version": "0.4.1",
      "resolved": "https://registry.npmjs.org/electron/-/electron-0.4.1.tgz",
      "integrity": "sha1-p4oFGniC9OVC1uIH2KGnMHazAUQ=",
      "dev": true,
      "requires": {
        "drip": "1.1.0"
      }
    },
    "lodash.partial": {
      "version": "4.2.1",
      "resolved": "https://registry.npmjs.org/lodash.partial/-/lodash.partial-4.2.1.tgz",
      "integrity": "sha1-SfPYz9qjv/izqR0SfpIyRUGJYdQ=",
      "dev": true
    },
    "matcha": {
      "version": "0.7.0",
      "resolved": "https://registry.npmjs.org/matcha/-/matcha-0.7.0.tgz",
      "integrity": "sha1-E/gFQJs3vlcDLIRYZDvxUjumjdo=",
      "dev": true,
      "requires": {
        "electron": "0.4.1",
        "v8-argv": "0.1.0"
      }
    },
    "tea-concat": {
      "version": "0.1.0",
      "resolved": "https://registry.npmjs.org/tea-concat/-/tea-concat-0.1.0.tgz",
      "integrity": "sha1-6i6QdAD914pjNM4CD6PGlQLZnoQ=",
      "dev": true
    },
    "v8-argv": {
      "version": "0.1.0",
      "resolved": "https://registry.npmjs.org/v8-argv/-/v8-argv-0.1.0.tgz",
      "integrity": "sha1-rfd3pS29w9qciclGXlntXzy22ak=",
      "dev": true
    }
  }
}

package.json

{
  "name": "bench-partial",
  "version": "1.0.0",
  "description": "",
  "main": "+partial.js",
  "scripts": {
    "test": "TEST=1 npm run bench",
    "start": "npm run bench --silent | tee +results.txt",
    "bench": "matcha -R plain *.js"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "devDependencies": {
    "lodash.partial": "^4.2.1",
    "matcha": "^0.7.0"
  },
  "dependencies": {}
}