Add speed tests

Speed tests now support pre-run functions to setup test properly.

Author: trevnorris

speed/core/initialize.js

@@ -0,0 +1,10 @@
+var CBuffer = require('../../cbuffer'),
+    test = require('../test');
+
+test('Array     ', function () {
+	new CBuffer(4);
+});
+
+test('Arguments ', function () {
+	new CBuffer(1,2,3,4);
+});

speed/mutator/pop.js

@@ -0,0 +1,28 @@
+const SIZE = 1e5;
+
+var CBuffer = require('../../cbuffer'),
+    test = require('../test'),
+    cb = new CBuffer(SIZE),
+    arr = [];
+
+test('pop 1e5 - CBuffer', function () {
+	cb.empty();
+	for (var i = 0; i < SIZE; i++) {
+		cb.push(1);
+	}
+}, function () {
+	for (var i = SIZE; i >= 0; i--) {
+		cb.pop();
+	}
+});
+
+test('pop 1e5 - Array  ', function () {
+	arr.length = 0;
+	for (var i = 0; i < SIZE; i++) {
+		arr.push(1);
+	}
+}, function () {
+	for (var i = SIZE; i >= 0; i--) {
+		arr.pop();
+	}
+});

speed/mutator/push.js

@@ -1,15 +1,20 @@
+const SIZE = 1e5;
+
 var CBuffer = require('../../cbuffer'),
-	test = require('../test'),
-	cb = new CBuffer(1e5),
-	arr = new Array();
+    test = require('../test'),
+    cb = new CBuffer(SIZE),
+    arr = [];
 
-test('push 1e5 - Array  ', function () {
-	var i = 1e5;
-	arr.length = 0;
-	while(arr.push(i), --i >= 0);
+test('push 1e5 - CBuffer', function () {
+	cb.empty();
+}, function () {
+	var i = SIZE;
+	while (cb.push(i * 0.1), --i >= 0);
 });
 
-test('push 1e5 - CBuffer', function () {
-	var i = 1e5;
-	while(cb.push(i), --i >= 0);
+test('push 1e5 - Array  ', function () {
+	arr.length = 0;
+}, function () {
+	var i = SIZE;
+	while (arr.push(i * 0.1), --i >= 0);
 });

speed/mutator/reverse.js

@@ -1,14 +1,15 @@
-var CBuffer = require('../../cbuffer'),
-	test = require('../test'),
-	cb = new CBuffer(),
-	arr = new Array(),
-	i;
+const SIZE = 1e5;
 
-for (i = 1e5; i > 0; i--)
-	cb.push(i);
+var CBuffer = require('../../cbuffer'),
+    test = require('../test'),
+    cb = new CBuffer(SIZE),
+    arr = [],
+    i;
 
-for (i = 1e5; i > 0; i--)
+for (i = SIZE; i > 0; i--) {
 	arr.push(i);
+	cb.push(i);
+}
 
 test('reverse - CBuffer', function () {
 	cb.reverse();

speed/mutator/shift.js

@@ -0,0 +1,28 @@
+const SIZE = 1e4;
+
+var CBuffer = require('../../cbuffer'),
+    test = require('../test'),
+    cb = new CBuffer(SIZE),
+    arr = [];
+
+test('shift 1e4 - CBuffer', function () {
+	cb.empty();
+	for (var i = 0; i < SIZE; i++) {
+		cb.push(1);
+	}
+}, function () {
+	for (var i = SIZE; i >= 0; i--) {
+		cb.shift();
+	}
+});
+
+test('shift 1e4 - Array  ', function () {
+	arr.length = 0;
+	for (var i = 0; i < SIZE; i++) {
+		arr.push(1);
+	}
+}, function () {
+	for (var i = SIZE; i >= 0; i--) {
+		arr.shift();
+	}
+});

speed/mutator/unshift.js

@@ -1,16 +1,20 @@
+const SIZE = 1e5;
+
 var CBuffer = require('../../cbuffer'),
-	test = require('../test'),
-	cb = new CBuffer(1e5),
-	arr = new Array();
+    test = require('../test'),
+    cb = new CBuffer(SIZE),
+    arr = new Array();
 
 test('unshift 1e5 - CBuffer', function () {
-	var i = 1e5;
 	cb.empty();
+}, function () {
+	var i = SIZE;
 	while(cb.unshift(i), --i >= 0);
 });
 
 test('unshift 1e5 - Array  ', function () {
-	var i = 1e5;
 	arr.length = 0;
+}, function () {
+	var i = SIZE;
 	while(arr.unshift(i), --i >= 0);
 });

speed/test.js

@@ -1,30 +1,38 @@
-module.exports = function test(name, fn) {
+module.exports = function test(name, setup, fn) {
 	var itter = 1;
+	if (!fn) {
+		fn = setup;
+		setup = false;
+	}
 	// first generate reliable number of itterations for test
 	(function genItter() {
-		var i = itter,
-		    iniT = -Date.now();
-		while(fn(), --i >= 0);
-		iniT += Date.now();
-		if (iniT > 100)
+		var iniT = exec(fn, setup, itter);
+		if (iniT > 300) {
 			setTimeout(function () {
-				runTest(itter, name, fn);
+				runTest(name, itter, fn, setup);
 			}, 100);
-		else {
-			if (iniT < 10)
-				itter *= 10;
-			else
-				itter *= 2;
-			setTimeout(genItter, 10);
+		} else {
+			if (iniT < 10) itter *= 10;
+			else itter *= 2;
+			setTimeout(genItter, 30);
 		}
 	}());
 };
 
-
-function runTest(itter, name, fn) {
-	var i = itter,
-	    iniT = -Date.now();
-	while (fn(), --i >= 0);
-	iniT += Date.now();
+function runTest(name, itter, fn, setup) {
+	var iniT = exec(fn, setup, itter);
 	console.log(name, ':', (itter / iniT * 1000).toFixed(2).replace(/(\d)(?=(\d\d\d)+(?!\d))/g, '$1,'), 'op/s');
 };
+
+function exec(fn, setup, i) {
+	var cum = 0,
+	    iniT;
+	while (--i >= 0) {
+		if (setup) setup();
+		iniT = -Date.now();
+		fn();
+		iniT += Date.now();
+		cum += iniT;
+	}
+	return cum;
+}