Add benchmarks
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wycats
@@ -0,0 +1,146 @@
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var print = require("sys").print;
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var Benchmark = require("benchmark");
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var BenchWarmer = function(names) {
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this.benchmarks = [];
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this.currentBenches = [];
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this.names = [];
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this.errors = {};
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};
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BenchWarmer.prototype = {
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winners: function(benches) {
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var result = Benchmark.filter(benches, function(bench) { return bench.cycles; });
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if (result.length > 1) {
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result.sort(function(a, b) { return b.compare(a); });
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first = result[0];
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last = result[result.length - 1];
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var winners = [];
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Benchmark.each(result, function(bench) {
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if (bench.compare(first) === 0) {
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winners.push(bench);
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}
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});
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return winners;
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} else {
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return result;
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}
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},
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suite: function(suite, fn) {
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this.suiteName = suite;
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this.first = true;
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var self = this;
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fn(function(name, benchFn) {
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self.push(name, benchFn);
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});
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},
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push: function(name, fn) {
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if(this.names.indexOf(name) == -1) {
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this.names.push(name);
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}
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var first = this.first, suiteName = this.suiteName, self = this;
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this.first = false;
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var bench = new Benchmark(function() {
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fn();
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}, {
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name: this.suiteName + ": " + name,
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onComplete: function() {
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if(first) { self.startLine(suiteName); }
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self.writeBench(bench);
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self.currentBenches.push(bench);
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}, onError: function(bench) {
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self.errors[bench.name] = bench;
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}
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});
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this.benchmarks.push(bench);
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},
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bench: function() {
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var benchSize = 0, names = this.names, self = this, i, l;
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for(i=0, l=names.length; i<l; i++) {
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var name = names[i];
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if(benchSize < name.length) { benchSize = name.length; }
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}
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this.nameSize = benchSize + 2;
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this.benchSize = 20;
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var horSize = 0;
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this.startLine("ops/msec");
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horSize = horSize + "ops/msec ".length;
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for(i=0, l=names.length; i<l; i++) {
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print(names[i] + new Array(this.benchSize - names[i].length + 1).join(" "));
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horSize = horSize + this.benchSize;
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}
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print("WINNER(S)");
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horSize = horSize + "WINNER(S)".length;
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print("\n" + new Array(horSize + 1).join("-"));
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Benchmark.invoke(this.benchmarks, {
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methodName: "run",
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onComplete: function() {
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var errors = false, prop, bench;
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for(prop in self.errors) { if(self.errors.hasOwnProperty(prop)) { errors = true; break; } }
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if(errors) {
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print("\n\nErrors:\n");
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for(prop in self.errors) {
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if(self.errors.hasOwnProperty(prop)) {
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bench = self.errors[prop];
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print("\n" + bench.name + ":\n");
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print(bench.error.message);
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if(bench.error.stack) {
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print(bench.error.stack.join("\n"));
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}
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print("\n");
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}
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}
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}
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}
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});
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},
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startLine: function(name) {
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var winners = Benchmark.map(this.winners(this.currentBenches), function(bench) {
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return bench.name.split(": ")[1];
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});
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this.currentBenches = [];
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print(winners.join(", "));
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print("\n");
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var padding = this.nameSize - name.length + 1;
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name = name + new Array(padding).join(" ");
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print(name);
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},
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writeBench: function(bench) {
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var out;
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if(!bench.error) {
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var count = bench.hz,
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min = count - bench.MoE,
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max = count + bench.MoE;
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out = Math.round(count / 1000) + " ±" + Math.round(bench.MoE / 1000) + " (" + bench.cycles + ")";
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} else {
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out = "E";
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}
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var padding = this.benchSize - out.length + 1;
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out = out + new Array(padding).join(" ");
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print(out);
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}
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};
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module.exports = BenchWarmer;
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@@ -0,0 +1,136 @@
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require.paths.push("lib");
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require.paths.push("vendor");
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require.paths.push("vendor/dustjs/lib");
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var BenchWarmer = require("./benchwarmer");
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Handlebars = require("handlebars").Handlebars;
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var dust = require("dust");
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var Mustache = require("mustache");
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var benchDetails = {
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string: {
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context: {},
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handlebars: "Hello world",
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dust: "Hello world",
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mustache: "Hello world"
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},
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variables: {
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context: {name: "Mick", count: 30},
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handlebars: "Hello {{name}}! You have {{count}} new messages.",
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dust: "Hello {name}! You have {count} new messages.",
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mustache: "Hello {{name}}! You have {{count}} new messages."
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},
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object: {
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context: { person: { name: "Larry", age: 45 } },
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handlebars: "{{#with person}}{{name}}{{age}}{{/with}}",
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dust: "{#person}{name}{age}{/person}",
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mustache: "{{#person}}{{name}}{{age}}{{/person}}"
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},
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array: {
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context: { names: [{name: "Moe"}, {name: "Larry"}, {name: "Curly"}, {name: "Shemp"}] },
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handlebars: "{{#each names}}{{name}}{{/each}}",
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dust: "{#names}{name}{/names}",
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mustache: "{{#names}}{{name}}{{/names}}"
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},
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partial: {
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context: { peeps: [{name: "Moe", count: 15}, {name: "Larry", count: 5}, {name: "Curly", count: 1}] },
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partials: {
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mustache: { variables: "Hello {{name}}! You have {{count}} new messages." },
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handlebars: { variables: "Hello {{name}}! You have {{count}} new messages." }
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},
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handlebars: "{{#each peeps}}{{>variables}}{{/each}}",
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dust: "{#peeps}{>variables/}{/peeps}",
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mustache: "{{#peeps}}{{>variables}}{{/peeps}}"
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},
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recursion: {
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context: { name: '1', kids: [{ name: '1.1', kids: [{name: '1.1.1', kids: []}] }] },
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partials: {
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mustache: { recursion: "{{name}}{{#kids}}{{>recursion}}{{/kids}}" },
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handlebars: { recursion: "{{name}}{{#each kids}}{{>recursion}}{{/each}}" }
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},
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handlebars: "{{name}}{{#each kids}}{{>recursion}}{{/each}}",
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dust: "{name}{#kids}{>recursion:./}{/kids}",
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mustache: "{{name}}{{#kids}}{{>recursion}}{{/kids}}"
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},
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complex: {
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handlebars: "<h1>{{header}}</h1>{{#if items}}<ul>{{#each items}}{{#if current}}" +
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"<li><strong>{{name}}</strong></li>{{^}}" +
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"<li><a href=\"{{url}}\">{{name}}</a></li>{{/if}}" +
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"{{/each}}</ul>{{^}}<p>The list is empty.</p>{{/if}}",
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dust: "<h1>{header}</h1>\n" +
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"{?items}\n" +
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" <ul>\n" +
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" {#items}\n" +
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" {#current}\n" +
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" <li><strong>{name}</strong></li>\n" +
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" {:else}\n" +
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" <li><a href=\"{url}\">{name}</a></li>\n" +
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" {/current}\n" +
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" {/items}\n" +
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" </ul>\n" +
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"{:else}\n" +
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" <p>The list is empty.</p>\n" +
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"{/items}",
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context: {
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header: function() {
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return "Colors";
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},
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items: [
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{name: "red", current: true, url: "#Red"},
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{name: "green", current: false, url: "#Green"},
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{name: "blue", current: false, url: "#Blue"}
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]
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}
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}
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};
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handlebarsTemplates = {};
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var warmer = new BenchWarmer();
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var makeSuite = function(name) {
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warmer.suite(name, function(bench) {
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var templateName = name;
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var details = benchDetails[templateName];
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var mustachePartials = details.partials && details.partials.mustache;
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var mustacheSource = details.mustache;
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var context = details.context;
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bench("dust", function() {
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dust.render(templateName, context, function(err, out) { });
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});
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bench("handlebars", function() {
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handlebarsTemplates[templateName](context);
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});
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if(mustacheSource) {
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bench("mustache", function() {
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Mustache.to_html(mustacheSource, context, mustachePartials);
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});
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}
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});
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}
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for(var name in benchDetails) {
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if(benchDetails.hasOwnProperty(name)) {
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dust.loadSource(dust.compile(benchDetails[name].dust, name));
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handlebarsTemplates[name] = Handlebars.VM.compile(benchDetails[name].handlebars);
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var partials = benchDetails[name].partials;
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if(partials) {
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for(var partialName in partials.handlebars) {
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if(partials.handlebars.hasOwnProperty(partialName)) {
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Handlebars.registerPartial(partialName, partials.handlebars[partialName]);
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}
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}
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}
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makeSuite(name);
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}
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}
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warmer.bench();
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