add hw2

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

@@ -0,0 +1,52 @@
+'use strict'
+
+const bench = require('fastbench')
+const pino = require('../')
+const bunyan = require('bunyan')
+const fs = require('fs')
+const dest = fs.createWriteStream('/dev/null')
+const plogNodeStream = pino(dest).child({ a: 'property' }).child({ sub: 'child' })
+delete require.cache[require.resolve('../')]
+const plogDest = require('../')(pino.destination('/dev/null')).child({ a: 'property' }).child({ sub: 'child' })
+delete require.cache[require.resolve('../')]
+const plogMinLength = require('../')(pino.destination({ dest: '/dev/null', sync: false, minLength: 4096 }))
+  .child({ a: 'property' })
+  .child({ sub: 'child' })
+
+const max = 10
+const blog = bunyan.createLogger({
+  name: 'myapp',
+  streams: [{
+    level: 'trace',
+    stream: dest
+  }]
+}).child({ a: 'property' }).child({ sub: 'child' })
+
+const run = bench([
+  function benchBunyanChildChild (cb) {
+    for (var i = 0; i < max; i++) {
+      blog.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoChildChild (cb) {
+    for (var i = 0; i < max; i++) {
+      plogDest.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoMinLengthChildChild (cb) {
+    for (var i = 0; i < max; i++) {
+      plogMinLength.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoNodeStreamChildChild (cb) {
+    for (var i = 0; i < max; i++) {
+      plogNodeStream.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  }
+], 10000)
+
+run(run)