add hw2

node_modules/pino/benchmarks/child-creation.bench.js

@@ -0,0 +1,73 @@
+'use strict'
+
+const bench = require('fastbench')
+const pino = require('../')
+const bunyan = require('bunyan')
+const bole = require('bole')('bench')
+const fs = require('fs')
+const dest = fs.createWriteStream('/dev/null')
+const plogNodeStream = pino(dest)
+const plogDest = pino(pino.destination(('/dev/null')))
+delete require.cache[require.resolve('../')]
+const plogMinLength = require('../')(pino.destination({ dest: '/dev/null', sync: false, minLength: 4096 }))
+
+const max = 10
+const blog = bunyan.createLogger({
+  name: 'myapp',
+  streams: [{
+    level: 'trace',
+    stream: dest
+  }]
+})
+
+require('bole').output({
+  level: 'info',
+  stream: dest
+}).setFastTime(true)
+
+const run = bench([
+  function benchBunyanCreation (cb) {
+    const child = blog.child({ a: 'property' })
+    for (var i = 0; i < max; i++) {
+      child.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchBoleCreation (cb) {
+    const child = bole('child')
+    for (var i = 0; i < max; i++) {
+      child.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoCreation (cb) {
+    const child = plogDest.child({ a: 'property' })
+    for (var i = 0; i < max; i++) {
+      child.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoMinLengthCreation (cb) {
+    const child = plogMinLength.child({ a: 'property' })
+    for (var i = 0; i < max; i++) {
+      child.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoNodeStreamCreation (cb) {
+    const child = plogNodeStream.child({ a: 'property' })
+    for (var i = 0; i < max; i++) {
+      child.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoCreationWithOption (cb) {
+    const child = plogDest.child({ a: 'property' }, { redact: [] })
+    for (var i = 0; i < max; i++) {
+      child.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  }
+], 10000)
+
+run(run)