Add string decoding benchmarks

perf/util.js

@@ -1,6 +1,6 @@
 var benchmark = require('benchmark')
 
-exports.suite = function () {
+exports.suite = function (isAsync) {
   var suite = new benchmark.Suite()
   process.nextTick(function () {
     suite
@@ -13,7 +13,7 @@ exports.suite = function () {
       .on('complete', function () {
         console.log('Fastest is ' + this.filter('fastest').map('name'))
       })
-      .run({ async: true })
+      .run({ async: isAsync === undefined ? true : isAsync })
   })
   return suite
 }

perf/write-base64.js

@@ -0,0 +1,50 @@
+'use strict'
+
+var BrowserBuffer = require('../').Buffer // (this module)
+var util = require('./util')
+var suite1 = util.suite(false)
+var suite2 = util.suite(false)
+var suite3 = util.suite(false)
+
+var LENGTH = (8192 * 3) >>> 2
+var browserSubject = BrowserBuffer.alloc(LENGTH)
+var nodeSubject = Buffer.alloc(LENGTH)
+
+var charset =
+  'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
+
+var str = ''
+
+for (var i = 0; i < 8192; i++) {
+  str += charset[Math.random() * charset.length | 0]
+}
+
+suite1.add('BrowserBuffer.byteLength(' + str.length + ', "base64")', function () {
+  BrowserBuffer.byteLength(str, 'base64')
+})
+
+if (!process.browser) {
+  suite1.add('NodeBuffer.byteLength(' + str.length + ', "base64")', function () {
+    Buffer.byteLength(str, 'base64')
+  })
+}
+
+suite2.add('BrowserBuffer#write(' + str.length + ', "base64")', function () {
+  browserSubject.write(str, 'base64')
+})
+
+if (!process.browser) {
+  suite2.add('NodeBuffer#write(' + str.length + ', "base64")', function () {
+    nodeSubject.write(str, 'base64')
+  })
+}
+
+suite3.add('BrowserBuffer#toString(' + str.length + ', "base64")', function () {
+  browserSubject.toString('base64')
+})
+
+if (!process.browser) {
+  suite3.add('NodeBuffer#toString(' + str.length + ', "base64")', function () {
+    nodeSubject.toString('base64')
+  })
+}

perf/write-binary.js

@@ -0,0 +1,25 @@
+'use strict'
+
+var BrowserBuffer = require('../').Buffer // (this module)
+var util = require('./util')
+var suite = util.suite()
+
+var LENGTH = 8192
+var browserSubject = BrowserBuffer.alloc(LENGTH)
+var nodeSubject = Buffer.alloc(LENGTH)
+
+var str = ''
+
+for (var i = 0; i < LENGTH; i++) {
+  str += String.fromCharCode(Math.random() * 0x100 | 0)
+}
+
+suite.add('BrowserBuffer#write(' + str.length + ', "binary")', function () {
+  browserSubject.write(str, 'binary')
+})
+
+if (!process.browser) {
+  suite.add('NodeBuffer#write(' + str.length + ', "binary")', function () {
+    nodeSubject.write(str, 'binary')
+  })
+}

perf/write-hex.js

@@ -1,24 +1,27 @@
-const BrowserBuffer = require('../').Buffer // (this module)
-const util = require('./util')
-const suite = util.suite()
+'use strict'
 
-const LENGTH = 4096
-const browserSubject = BrowserBuffer.alloc(LENGTH)
-const nodeSubject = Buffer.alloc(LENGTH)
+var BrowserBuffer = require('../').Buffer // (this module)
+var util = require('./util')
+var suite = util.suite()
 
-const charset = '0123456789abcdef'
+var LENGTH = 4096
+var browserSubject = BrowserBuffer.alloc(LENGTH)
+var nodeSubject = Buffer.alloc(LENGTH)
 
-let str = ''
+var charset = '0123456789abcdef'
 
-for (let i = 0; i < LENGTH * 2; i++)
+var str = ''
+
+for (var i = 0; i < LENGTH * 2; i++) {
   str += charset[Math.random() * charset.length | 0]
+}
 
-suite
-  .add('BrowserBuffer#write(' + LENGTH + ', "hex")', function () {
-    browserSubject.write(str, 'hex')
-  })
+suite.add('BrowserBuffer#write(' + str.length + ', "hex")', function () {
+  browserSubject.write(str, 'hex')
+})
 
-if (!process.browser) suite
-  .add('NodeBuffer#write(' + LENGTH + ', "hex")', function () {
+if (!process.browser) {
+  suite.add('NodeBuffer#write(' + str.length + ', "hex")', function () {
     nodeSubject.write(str, 'hex')
   })
+}

perf/write-ucs2.js

@@ -0,0 +1,25 @@
+'use strict'
+
+var BrowserBuffer = require('../').Buffer // (this module)
+var util = require('./util')
+var suite = util.suite()
+
+var LENGTH = 16384
+var browserSubject = BrowserBuffer.alloc(LENGTH)
+var nodeSubject = Buffer.alloc(LENGTH)
+
+var str = ''
+
+for (var i = 0; i < LENGTH / 2; i++) {
+  str += String.fromCharCode(Math.random() * 0x10000 | 0)
+}
+
+suite.add('BrowserBuffer#write(' + str.length + ', "ucs2")', function () {
+  browserSubject.write(str, 'ucs2')
+})
+
+if (!process.browser) {
+  suite.add('NodeBuffer#write(' + str.length + ', "ucs2")', function () {
+    nodeSubject.write(str, 'ucs2')
+  })
+}