time rx load times

.gitignore

.DS_Store
/node_modules

loading-extras.js

require('rxjs/bundles/Rx.umd');

var before = Object.keys(require.cache);
require('rxjs/observable/using');
var after = Object.keys(require.cache);

console.log(after.filter(x => before.indexOf(x) === -1));

package.json

{
  "name": "rx-load-test",
  "version": "0.0.0",
  "private": true,
  "scripts": {
    "start": "./time-requires.sh"
  },
  "dependencies": {
    "@reactivex/rxjs": "5.0.0-beta.6",
    "react": "^15.0.0",
    "rxjs": "5.0.0-beta.6"
  }
}

results.txt

$ ./time-requires.sh
rxjs: 112.411ms
rxjs: 112.154ms
rxjs: 112.119ms
rxjs: 109.854ms
rxjs: 111.980ms
rxjs/bundles/Rx.umd: 79.925ms
rxjs/bundles/Rx.umd: 77.012ms
rxjs/bundles/Rx.umd: 79.998ms
rxjs/bundles/Rx.umd: 82.042ms
rxjs/bundles/Rx.umd: 81.486ms
rxjs/bundles/Rx.umd.min: 63.297ms
rxjs/bundles/Rx.umd.min: 63.000ms
rxjs/bundles/Rx.umd.min: 63.575ms
rxjs/bundles/Rx.umd.min: 65.477ms
rxjs/bundles/Rx.umd.min: 65.899ms
@reactivex/rxjs: 130.066ms
@reactivex/rxjs: 131.753ms
@reactivex/rxjs: 134.604ms
@reactivex/rxjs: 149.409ms
@reactivex/rxjs: 132.310ms
@reactivex/rxjs/dist/global/Rx.umd: 76.707ms
@reactivex/rxjs/dist/global/Rx.umd: 80.689ms
@reactivex/rxjs/dist/global/Rx.umd: 79.504ms
@reactivex/rxjs/dist/global/Rx.umd: 80.581ms
@reactivex/rxjs/dist/global/Rx.umd: 79.063ms
@reactivex/rxjs/dist/global/Rx.umd.min: 69.610ms
@reactivex/rxjs/dist/global/Rx.umd.min: 63.525ms
@reactivex/rxjs/dist/global/Rx.umd.min: 63.752ms
@reactivex/rxjs/dist/global/Rx.umd.min: 71.866ms
@reactivex/rxjs/dist/global/Rx.umd.min: 65.921ms
@reactivex/rxjs/dist/global/Rx.KitchenSink.umd: 90.006ms
@reactivex/rxjs/dist/global/Rx.KitchenSink.umd: 90.787ms
@reactivex/rxjs/dist/global/Rx.KitchenSink.umd: 90.766ms
@reactivex/rxjs/dist/global/Rx.KitchenSink.umd: 91.778ms
@reactivex/rxjs/dist/global/Rx.KitchenSink.umd: 91.563ms
@reactivex/rxjs/dist/global/Rx.KitchenSink.umd.min: 81.791ms
@reactivex/rxjs/dist/global/Rx.KitchenSink.umd.min: 73.793ms
@reactivex/rxjs/dist/global/Rx.KitchenSink.umd.min: 75.163ms
@reactivex/rxjs/dist/global/Rx.KitchenSink.umd.min: 80.763ms
@reactivex/rxjs/dist/global/Rx.KitchenSink.umd.min: 73.994ms

time-requires.sh

#!/bin/bash

# npm install react
# npm install rx@3
# npm install @reactivex/rxjs

# for i in {1..5}; do node -p "s=Date.now();require('@reactivex/rxjs');Date.now()-s"; done
# for i in {1..5}; do node -p "s=Date.now();require('rx');Date.now()-s"; done

names=(
  'rxjs'
  'rxjs/bundles/Rx.umd'
  'rxjs/bundles/Rx.umd.min'
  '@reactivex/rxjs'
  '@reactivex/rxjs/dist/global/Rx.umd'
  '@reactivex/rxjs/dist/global/Rx.umd.min'
  '@reactivex/rxjs/dist/global/Rx.KitchenSink.umd'
  '@reactivex/rxjs/dist/global/Rx.KitchenSink.umd.min'
)

for name in "${names[@]}"; do
  for i in {1..5}; do node -e "
    console.time('$name');
    require('$name');
    console.timeEnd('$name');
  "
  done
done