chore: add memoery usage

Author: kazupon

benchmark/compile.mjs

@@ -1,5 +1,6 @@
 import { createCommonJS } from 'mlly'
 import { baseCompile } from '@intlify/message-compiler'
+import { displayMemoryUsage } from './utils.mjs'
 
 const { require } = createCommonJS(import.meta.url)
 const { Suite } = require('benchmark')
@@ -23,6 +24,8 @@ async function main() {
       console.log(String(event.target))
     })
     .run()
+
+  displayMemoryUsage()
 }
 
 main().catch(err => {

benchmark/complex-jit-aot.mjs

@@ -11,7 +11,7 @@ import {
 } from '@intlify/core-base'
 import { createI18n } from 'vue-i18n'
 import { resolve, dirname } from 'pathe'
-import { readJson } from './utils.mjs'
+import { readJson, displayMemoryUsage } from './utils.mjs'
 
 const { require } = createCommonJS(import.meta.url)
 const { Suite } = require('benchmark')
@@ -76,6 +76,8 @@ async function main() {
       console.log(String(event.target))
     })
     .run()
+
+  displayMemoryUsage()
 }
 
 main().catch(err => {

benchmark/complex-jit.mjs

@@ -10,7 +10,7 @@ import {
 } from '@intlify/core-base'
 import { createI18n } from 'vue-i18n'
 import { resolve, dirname } from 'pathe'
-import { readJson } from './utils.mjs'
+import { readJson, displayMemoryUsage } from './utils.mjs'
 
 const { require } = createCommonJS(import.meta.url)
 const { Suite } = require('benchmark')
@@ -65,6 +65,8 @@ async function main() {
       console.log(String(event.target))
     })
     .run()
+
+  displayMemoryUsage()
 }
 
 main().catch(err => {

benchmark/complex.mjs

@@ -6,7 +6,7 @@ import {
 } from '@intlify/core-base'
 import { createI18n } from 'vue-i18n'
 import { resolve, dirname } from 'pathe'
-import { readJson } from './utils.mjs'
+import { readJson, displayMemoryUsage } from './utils.mjs'
 
 const { require } = createCommonJS(import.meta.url)
 const { Suite } = require('benchmark')
@@ -59,6 +59,8 @@ async function main() {
       console.log(String(event.target))
     })
     .run()
+
+  displayMemoryUsage()
 }
 
 main().catch(err => {

benchmark/simple-jit-aot.mjs

@@ -11,7 +11,7 @@ import {
 } from '@intlify/core-base'
 import { createI18n } from 'vue-i18n'
 import { resolve, dirname } from 'pathe'
-import { readJson } from './utils.mjs'
+import { readJson, displayMemoryUsage } from './utils.mjs'
 
 const { require } = createCommonJS(import.meta.url)
 const { Suite } = require('benchmark')
@@ -69,6 +69,8 @@ async function main() {
       console.log(String(event.target))
     })
     .run()
+
+  displayMemoryUsage()
 }
 
 main().catch(err => {

benchmark/simple-jit.mjs

@@ -10,7 +10,7 @@ import {
 } from '@intlify/core-base'
 import { createI18n } from 'vue-i18n'
 import { resolve, dirname } from 'pathe'
-import { readJson } from './utils.mjs'
+import { readJson, displayMemoryUsage } from './utils.mjs'
 
 const { require } = createCommonJS(import.meta.url)
 const { Suite } = require('benchmark')
@@ -58,6 +58,8 @@ async function main() {
       console.log(String(event.target))
     })
     .run()
+
+  displayMemoryUsage()
 }
 
 main().catch(err => {

benchmark/simple.mjs

@@ -6,7 +6,7 @@ import {
 } from '@intlify/core-base'
 import { createI18n } from 'vue-i18n'
 import { resolve, dirname } from 'pathe'
-import { readJson } from './utils.mjs'
+import { readJson, displayMemoryUsage } from './utils.mjs'
 
 const { require } = createCommonJS(import.meta.url)
 const { Suite } = require('benchmark')
@@ -52,6 +52,8 @@ async function main() {
       console.log(String(event.target))
     })
     .run()
+
+  displayMemoryUsage()
 }
 
 main().catch(err => {

benchmark/utils.mjs

@@ -5,3 +5,22 @@ export async function readJson(path) {
   const data = await fs.readFile(path, 'utf8')
   return JSON.parse(data)
 }
+
+const numberFormatter = new Intl.NumberFormat('en', {
+  maximumFractionDigits: 2,
+  minimumFractionDigits: 2
+})
+
+function displaySize(bytes) {
+  return `${numberFormatter.format(bytes / 1000)} kB`
+}
+
+export function displayMemoryUsage() {
+  const heap = process.memoryUsage()
+  const msg = []
+  for (const key in heap) {
+    msg.push(`${key}: ${displaySize(heap[key])}`)
+  }
+  console.log()
+  console.log('memory usage:', msg.join(', '))
+}