vuejs · sxzz · Aug 6, 2024 · Aug 6, 2024 · Aug 6, 2024 · Aug 6, 2024
diff --git a/benchmark/.gitignore b/benchmark/.gitignore
@@ -0,0 +1 @@
+results/*
diff --git a/playground/src/bench/App.vue → benchmark/client/App.vue b/playground/src/bench/App.vue → benchmark/client/App.vue
@@ -1,8 +1,10 @@
-<script setup lang="ts">
-import { ref, shallowRef } from 'vue'
+<script setup lang="ts" vapor>
+import { ref, shallowRef } from '@vue/vapor'
 import { buildData } from './data'
 import { defer, wrap } from './profiling'
 
+const isVapor = !!import.meta.env.IS_VAPOR
+
 const selected = ref<number>()
 const rows = shallowRef<
   {
@@ -75,14 +77,14 @@ async function bench() {
 </script>
 
 <template>
-  <h1>Vue.js Vapor Benchmark</h1>
+  <h1>Vue.js ({{ isVapor ? 'Vapor' : 'Virtual DOM' }}) Benchmark</h1>
   <div
     id="control"
     style="display: flex; flex-direction: column; width: fit-content; gap: 6px"
   >
     <button @click="bench">Benchmark mounting</button>
     <button id="run" @click="run">Create 1,000 rows</button>
-    <button id="runlots" @click="runLots">Create 10,000 rows</button>
+    <button id="runLots" @click="runLots">Create 10,000 rows</button>
     <button id="add" @click="add">Append 1,000 rows</button>
     <button id="update" @click="update">Update every 10th row</button>
     <button id="clear" @click="clear">Clear</button>

diff --git a/playground/src/bench/data.ts → benchmark/client/data.ts b/playground/src/bench/data.ts → benchmark/client/data.ts
diff --git a/benchmark/client/index.html b/benchmark/client/index.html
@@ -0,0 +1,17 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Vue Vapor Benchmark</title>
+    <style>
+      html {
+        color-scheme: light dark;
+      }
+    </style>
+  </head>
+  <body>
+    <div id="app"></div>
+    <script type="module" src="./index.ts"></script>
+  </body>
+</html>
diff --git a/benchmark/client/index.ts b/benchmark/client/index.ts
@@ -0,0 +1,5 @@
+if (import.meta.env.IS_VAPOR) {
+  import('./vapor')
+} else {
+  import('./vdom')
+}
diff --git a/benchmark/client/profiling.ts b/benchmark/client/profiling.ts
@@ -0,0 +1,79 @@
+/* eslint-disable no-console */
+/* eslint-disable no-restricted-syntax */
+/* eslint-disable no-restricted-globals */
+
+declare module globalThis {
+  let doProfile: boolean
+  let recordTime: boolean
+  let times: Record<string, number[]>
+}
+
+globalThis.recordTime = true
+globalThis.doProfile = false
+
+export const defer = () => new Promise(r => requestIdleCallback(r))
+
+const times: Record<string, number[]> = (globalThis.times = {})
+
+export function wrap(
+  id: string,
+  fn: (...args: any[]) => any,
+): (...args: any[]) => Promise<void> {
+  return async (...args) => {
+    if (!globalThis.recordTime) {
+      return fn(...args)
+    }
+
+    document.body.classList.remove('done')
+
+    const { doProfile } = globalThis
+    await defer()
+
+    doProfile && console.profile(id)
+    const start = performance.now()
+    fn(...args)
+
+    await defer()
+    const time = performance.now() - start
+    const prevTimes = times[id] || (times[id] = [])
+    prevTimes.push(time)
+
+    const { min, max, median, mean, std } = compute(prevTimes)
+    const msg =
+      `${id}: min: ${min} / ` +
+      `max: ${max} / ` +
+      `median: ${median}ms / ` +
+      `mean: ${mean}ms / ` +
+      `time: ${time.toFixed(2)}ms / ` +
+      `std: ${std} ` +
+      `over ${prevTimes.length} runs`
+    doProfile && console.profileEnd(id)
+    console.log(msg)
+    const timeEl = document.getElementById('time')!
+    timeEl.textContent = msg
+
+    document.body.classList.add('done')
+  }
+}
+
+function compute(array: number[]) {
+  const n = array.length
+  const max = Math.max(...array)
+  const min = Math.min(...array)
+  const mean = array.reduce((a, b) => a + b) / n
+  const std = Math.sqrt(
+    array.map(x => Math.pow(x - mean, 2)).reduce((a, b) => a + b) / n,
+  )
+  const median = array.slice().sort((a, b) => a - b)[Math.floor(n / 2)]
+  return {
+    max: round(max),
+    min: round(min),
+    mean: round(mean),
+    std: round(std),
+    median: round(median),
+  }
+}
+
+function round(n: number) {
+  return +n.toFixed(2)
+}
diff --git a/benchmark/client/vapor.ts b/benchmark/client/vapor.ts
@@ -0,0 +1,4 @@
+import { createVaporApp } from '@vue/vapor'
+import App from './App.vue'
+
+createVaporApp(App as any).mount('#app')
diff --git a/benchmark/client/vdom.ts b/benchmark/client/vdom.ts
@@ -0,0 +1,4 @@
+import { createApp } from 'vue'
+import App from './App.vue'
+
+createApp(App).mount('#app')