Factor out parts of benchmarks unrelated to running in the browser
David Majda
14 years ago
parent
fc1f489165
commit
a091cb2ffd
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benchmarks = [
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{
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id: "json",
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title: "JSON",
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tests: [
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{ file: "example1.json", title: "Example 1" },
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{ file: "example2.json", title: "Example 2" },
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{ file: "example3.json", title: "Example 3" },
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{ file: "example4.json", title: "Example 4" },
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{ file: "example5.json", title: "Example 5" }
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]
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},
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{
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id: "css",
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title: "CSS",
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tests: [
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{ file: "blueprint/src/reset.css", title: "Blueprint - reset.css (source)" },
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{ file: "blueprint/src/typography.css", title: "Blueprint - typography.css (source)" },
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{ file: "blueprint/src/forms.css", title: "Blueprint - forms.css (source)" },
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{ file: "blueprint/src/grid.css", title: "Blueprint - grid.css (source)" },
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{ file: "blueprint/src/print.css", title: "Blueprint - print.css (source)" },
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// Contains syntax errors.
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// { file: "blueprint/src/ie.css", title: "Blueprint - ie.css (source)" },
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{ file: "blueprint/min/screen.css", title: "Blueprint - screen.css (minified)" },
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{ file: "blueprint/min/print.css", title: "Blueprint - print.css (minified)" },
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// Contains syntax errors.
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// { file: "blueprint/min/ie.css", title: "Blueprint - ie.css (minified)" },
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{ file: "960.gs/src/reset.css", title: "960.gs - reset.css (source)" },
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{ file: "960.gs/src/text.css", title: "960.gs - text.css (source)" },
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{ file: "960.gs/src/960.css", title: "960.gs - 960.css (source)" },
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{ file: "960.gs/src/960_24_col.css", title: "960.gs - 960_24_col.css (source)" },
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{ file: "960.gs/min/reset.css", title: "960.gs - reset.css (minified)" },
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{ file: "960.gs/min/text.css", title: "960.gs - text.css (minified)" },
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{ file: "960.gs/min/960.css", title: "960.gs - 960.css (minified)" },
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{ file: "960.gs/min/960_24_col.css", title: "960.gs - 960_24_col.css (minified)" }
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]
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}
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];
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@ -0,0 +1,117 @@
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Runner = {
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run: function(benchmarks, runCount, callbacks) {
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/* Queue */
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var Q = {
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functions: [],
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add: function(f) {
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this.functions.push(f);
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},
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run: function() {
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if (this.functions.length > 0) {
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this.functions.shift()();
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/*
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* We can't use |arguments.callee| here because |this| would get
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* messed-up in that case.
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*/
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setTimeout(function() { Q.run() }, 0);
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}
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}
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};
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/*
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* The benchmark itself is factored out into several functions (some of them
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* generated), which are enqueued and run one by one using |setTimeout|. We
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* do this for two reasons:
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*
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* 1. To avoid bowser mechanism for interrupting long-running scripts to
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* kick-in (or at least to not kick-in that often).
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*
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* 2. To ensure progressive rendering of results in the browser (some
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* browsers do not render at all when running JavaScript code).
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*
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* The enqueued functions share state, which is all stored in the properties
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* of the |state| object.
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*/
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var state = {};
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function initialize() {
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callbacks.start();
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state.totalInputSize = 0;
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state.totalParseTime = 0;
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}
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function benchmarkInitializer(i) {
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return function() {
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callbacks.benchmarkStart(benchmarks[i]);
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state.parser = PEG.buildParser(
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callbacks.readFile("../examples/" + benchmarks[i].id + ".pegjs")
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);
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state.benchmarkInputSize = 0;
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state.benchmarkParseTime = 0;
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};
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}
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function testRunner(i, j) {
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return function() {
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var benchmark = benchmarks[i];
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var test = benchmark.tests[j];
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callbacks.testStart(benchmark, test);
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var input = callbacks.readFile(benchmark.id + "/" + test.file);
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var parseTime = 0;
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for (var k = 0; k < runCount; k++) {
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var t = (new Date).getTime();
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state.parser.parse(input);
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parseTime += (new Date).getTime() - t;
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}
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var averageParseTime = parseTime / runCount;
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callbacks.testFinish(benchmark, test, input.length, averageParseTime);
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state.benchmarkInputSize += input.length;
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state.benchmarkParseTime += averageParseTime;
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};
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}
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function benchmarkFinalizer(i) {
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return function() {
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callbacks.benchmarkFinish(
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benchmarks[i],
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state.benchmarkInputSize,
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state.benchmarkParseTime
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);
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state.totalInputSize += state.benchmarkInputSize;
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state.totalParseTime += state.benchmarkParseTime;
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};
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}
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function finalize() {
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callbacks.finish(state.totalInputSize, state.totalParseTime);
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}
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/* Main */
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Q.add(initialize);
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for (var i = 0; i < benchmarks.length; i++) {
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Q.add(benchmarkInitializer(i));
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for (var j = 0; j < benchmarks[i].tests.length; j++) {
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Q.add(testRunner(i, j));
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}
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Q.add(benchmarkFinalizer(i));
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}
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Q.add(finalize);
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Q.run();
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}
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};
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