Added benchmark suite

bench/fixtures/basic/pages/css.js

@@ -0,0 +1,27 @@
+import React, { Component } from 'react'
+import { StyleSheet, css } from 'next/css'
+
+
+const spans = () => (
+)
+
+export default class CrazyCSS extends Component {
+  spans () {
+    const out = []
+    for (let i = 0; i < 1000; i++) {
+      out.push(<span key={i} class={css(styles[`padding-${i}`])}>This is ${i}</span>)
+    }
+    return out
+  }
+
+  render () {
+    return <div>{this.spans()}</div>
+  }
+}
+
+const spanStyles = {}
+for (let i = 0; i < 1000; i++) {
+  spanStyles[`padding-${i}`] = { padding: i }
+}
+
+const styles = StyleSheet.create(spanStyles)

bench/fixtures/basic/pages/stateless-big.js

@@ -0,0 +1,17 @@
+import React from 'react'
+
+export default () => {
+  return (
+    <ul>
+     {items()}
+   </ul>
+  )
+}
+
+const items = () => {
+  var out = new Array(10000)
+  for (let i = 0; i < out.length; i++) {
+    out[i] = <li key={i}>This is row {i+1}</li>
+  }
+  return out
+}

bench/fixtures/basic/pages/stateless.js

@@ -0,0 +1,3 @@
+import React from 'react'
+
+export default () => <h1>My component!</h1>

bench/index.js

@@ -0,0 +1,32 @@
+
+import { resolve } from 'path'
+import build from '../server/build'
+import { render as _render } from '../server/render'
+import Benchmark from 'benchmark'
+
+const dir = resolve(__dirname, 'fixtures', 'basic')
+const suite = new Benchmark.Suite('Next.js');
+
+suite
+.on('start', async () => build(dir))
+
+.add('Tiny stateless component', async p => {
+  await render('/stateless')
+  p.resolve()
+}, { defer: true })
+
+.add('Big stateless component', async p => {
+  await render('/stateless-big')
+  p.resolve()
+}, { defer: true })
+
+.add('Stateful component with a loooot of css', async p => {
+  await render('/css')
+  p.resolve()
+}, { defer: true })
+
+module.exports = suite
+
+function render (url, ctx) {
+  return _render(url, ctx, { dir, staticMarkup: true })
+}

gulpfile.js

@@ -3,6 +3,7 @@ const babel = require('gulp-babel')
 const cache = require('gulp-cached')
 const notify_ = require('gulp-notify')
 const ava = require('gulp-ava')
+const benchmark = require('gulp-benchmark')
 const sequence = require('run-sequence')
 const webpack = require('webpack-stream')
 const del = require('del')
@@ -22,7 +23,8 @@ gulp.task('compile', [
   'compile-lib',
   'compile-server',
   'compile-client',
-  'compile-test'
+  'compile-test',
+  'compile-bench'
 ])
 
 gulp.task('compile-bin', () => {
@@ -68,7 +70,20 @@ gulp.task('compile-test', () => {
 gulp.task('copy-test-fixtures', () => {
   return gulp.src('test/fixtures/**/*')
   .pipe(gulp.dest('dist/test/fixtures'))
-});
+})
+
+gulp.task('compile-bench', () => {
+  return gulp.src('bench/*.js')
+  .pipe(cache('bench'))
+  .pipe(babel(babelOptions))
+  .pipe(gulp.dest('dist/bench'))
+  .pipe(notify('Compiled bench files'))
+})
+
+gulp.task('copy-bench-fixtures', () => {
+  return gulp.src('bench/fixtures/**/*')
+  .pipe(gulp.dest('dist/bench/fixtures'))
+})
 
 gulp.task('build', [
   'build-dev-client',
@@ -113,6 +128,13 @@ gulp.task('test', ['compile', 'copy-test-fixtures'], () => {
   .pipe(ava())
 })
 
+gulp.task('bench', ['compile', 'copy-bench-fixtures'], () => {
+  return gulp.src('dist/bench/*.js', {read: false})
+  .pipe(benchmark({
+    reporters: benchmark.reporters.etalon('RegExp#test')
+  }))
+})
+
 gulp.task('watch', [
   'watch-bin',
   'watch-lib',

package.json

@@ -29,6 +29,7 @@
     "babel-runtime": "6.11.6",
     "cross-spawn": "4.0.2",
     "glob-promise": "1.0.6",
+    "gulp-benchmark": "^1.1.1",
     "htmlescape": "1.1.1",
     "minimist": "1.2.0",
     "mkdirp-then": "1.2.0",