add hw2

node_modules/pino/benchmarks/internal/parent-vs-child.bench.js

@@ -0,0 +1,75 @@
+'use strict'
+
+const bench = require('fastbench')
+const pino = require('../../')
+
+const base = pino(pino.destination('/dev/null'))
+const child = base.child({})
+const childChild = child.child({})
+const childChildChild = childChild.child({})
+const childChildChildChild = childChildChild.child({})
+const child2 = base.child({})
+const baseSerializers = pino(pino.destination('/dev/null'))
+const baseSerializersChild = baseSerializers.child({})
+const baseSerializersChildSerializers = baseSerializers.child({})
+
+const max = 100
+
+const run = bench([
+  function benchPinoBase (cb) {
+    for (var i = 0; i < max; i++) {
+      base.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoChild (cb) {
+    for (var i = 0; i < max; i++) {
+      child.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoChildChild (cb) {
+    for (var i = 0; i < max; i++) {
+      childChild.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoChildChildChild (cb) {
+    for (var i = 0; i < max; i++) {
+      childChildChild.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoChildChildChildChild (cb) {
+    for (var i = 0; i < max; i++) {
+      childChildChildChild.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoChild2 (cb) {
+    for (var i = 0; i < max; i++) {
+      child2.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoBaseSerializers (cb) {
+    for (var i = 0; i < max; i++) {
+      baseSerializers.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoBaseSerializersChild (cb) {
+    for (var i = 0; i < max; i++) {
+      baseSerializersChild.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  },
+  function benchPinoBaseSerializersChildSerializers (cb) {
+    for (var i = 0; i < max; i++) {
+      baseSerializersChildSerializers.info({ hello: 'world' })
+    }
+    setImmediate(cb)
+  }
+], 10000)
+
+run(run)