| Index: chrome/test/data/v8_benchmark/base.js
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| diff --git a/chrome/test/data/v8_benchmark/base.js b/chrome/test/data/v8_benchmark/base.js
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| deleted file mode 100644
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| index ffabf24ddafc91b308c328bcce3b000d3f789870..0000000000000000000000000000000000000000
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| --- a/chrome/test/data/v8_benchmark/base.js
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| +++ /dev/null
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| @@ -1,284 +0,0 @@
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| -// Copyright 2008 the V8 project authors. All rights reserved.
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| -// Redistribution and use in source and binary forms, with or without
|
| -// modification, are permitted provided that the following conditions are
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| -// met:
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| -//
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| -// * Redistributions of source code must retain the above copyright
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| -// notice, this list of conditions and the following disclaimer.
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| -// * Redistributions in binary form must reproduce the above
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| -// copyright notice, this list of conditions and the following
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| -// disclaimer in the documentation and/or other materials provided
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| -// with the distribution.
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| -// * Neither the name of Google Inc. nor the names of its
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| -// contributors may be used to endorse or promote products derived
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| -// from this software without specific prior written permission.
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| -//
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| -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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| -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
| -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| -
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| -
|
| -// Simple framework for running the benchmark suites and
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| -// computing a score based on the timing measurements.
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| -
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| -
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| -// A benchmark has a name (string) and a function that will be run to
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| -// do the performance measurement. The optional setup and tearDown
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| -// arguments are functions that will be invoked before and after
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| -// running the benchmark, but the running time of these functions will
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| -// not be accounted for in the benchmark score.
|
| -function Benchmark(name, run, setup, tearDown) {
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| - this.name = name;
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| - this.run = run;
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| - this.Setup = setup ? setup : function() { };
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| - this.TearDown = tearDown ? tearDown : function() { };
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| -}
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| -
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| -
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| -// Benchmark results hold the benchmark and the measured time used to
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| -// run the benchmark. The benchmark score is computed later once a
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| -// full benchmark suite has run to completion.
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| -function BenchmarkResult(benchmark, time) {
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| - this.benchmark = benchmark;
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| - this.time = time;
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| -}
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| -
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| -
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| -// Automatically convert results to numbers. Used by the geometric
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| -// mean computation.
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| -BenchmarkResult.prototype.valueOf = function() {
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| - return this.time;
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| -}
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| -
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| -
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| -// Suites of benchmarks consist of a name and the set of benchmarks in
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| -// addition to the reference timing that the final score will be based
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| -// on. This way, all scores are relative to a reference run and higher
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| -// scores implies better performance.
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| -function BenchmarkSuite(name, reference, benchmarks) {
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| - this.name = name;
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| - this.reference = reference;
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| - this.benchmarks = benchmarks;
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| - BenchmarkSuite.suites.push(this);
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| -}
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| -
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| -
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| -// Keep track of all declared benchmark suites.
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| -BenchmarkSuite.suites = [];
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| -
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| -
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| -// Scores are not comparable across versions. Bump the version if
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| -// you're making changes that will affect that scores, e.g. if you add
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| -// a new benchmark or change an existing one.
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| -BenchmarkSuite.version = '6';
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| -
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| -
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| -// To make the benchmark results predictable, we replace Math.random
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| -// with a 100% deterministic alternative.
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| -Math.random = (function() {
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| - var seed = 49734321;
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| - return function() {
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| - // Robert Jenkins' 32 bit integer hash function.
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| - seed = ((seed + 0x7ed55d16) + (seed << 12)) & 0xffffffff;
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| - seed = ((seed ^ 0xc761c23c) ^ (seed >>> 19)) & 0xffffffff;
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| - seed = ((seed + 0x165667b1) + (seed << 5)) & 0xffffffff;
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| - seed = ((seed + 0xd3a2646c) ^ (seed << 9)) & 0xffffffff;
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| - seed = ((seed + 0xfd7046c5) + (seed << 3)) & 0xffffffff;
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| - seed = ((seed ^ 0xb55a4f09) ^ (seed >>> 16)) & 0xffffffff;
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| - return (seed & 0xfffffff) / 0x10000000;
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| - };
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| -})();
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| -
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| -
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| -// Runs all registered benchmark suites and optionally yields between
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| -// each individual benchmark to avoid running for too long in the
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| -// context of browsers. Once done, the final score is reported to the
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| -// runner.
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| -BenchmarkSuite.RunSuites = function(runner) {
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| - var continuation = null;
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| - var suites = BenchmarkSuite.suites;
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| - var length = suites.length;
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| - BenchmarkSuite.scores = [];
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| - var index = 0;
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| - function RunStep() {
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| - while (continuation || index < length) {
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| - if (continuation) {
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| - continuation = continuation();
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| - } else {
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| - var suite = suites[index++];
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| - if (runner.NotifyStart) runner.NotifyStart(suite.name);
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| - continuation = suite.RunStep(runner);
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| - }
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| - if (continuation && typeof window != 'undefined' && window.setTimeout) {
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| - window.setTimeout(RunStep, 25);
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| - return;
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| - }
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| - }
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| - if (runner.NotifyScore) {
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| - var score = BenchmarkSuite.GeometricMean(BenchmarkSuite.scores);
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| - var formatted = BenchmarkSuite.FormatScore(100 * score);
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| - runner.NotifyScore(formatted);
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| - }
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| - }
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| - RunStep();
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| -}
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| -
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| -
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| -// Counts the total number of registered benchmarks. Useful for
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| -// showing progress as a percentage.
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| -BenchmarkSuite.CountBenchmarks = function() {
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| - var result = 0;
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| - var suites = BenchmarkSuite.suites;
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| - for (var i = 0; i < suites.length; i++) {
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| - result += suites[i].benchmarks.length;
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| - }
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| - return result;
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| -}
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| -
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| -
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| -// Computes the geometric mean of a set of numbers.
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| -BenchmarkSuite.GeometricMean = function(numbers) {
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| - var log = 0;
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| - for (var i = 0; i < numbers.length; i++) {
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| - log += Math.log(numbers[i]);
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| - }
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| - return Math.pow(Math.E, log / numbers.length);
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| -}
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| -
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| -
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| -// Converts a score value to a string with at least three significant
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| -// digits.
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| -BenchmarkSuite.FormatScore = function(value) {
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| - if (value > 100) {
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| - return value.toFixed(0);
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| - } else {
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| - return value.toPrecision(3);
|
| - }
|
| -}
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| -
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| -// Notifies the runner that we're done running a single benchmark in
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| -// the benchmark suite. This can be useful to report progress.
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| -BenchmarkSuite.prototype.NotifyStep = function(result) {
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| - this.results.push(result);
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| - if (this.runner.NotifyStep) this.runner.NotifyStep(result.benchmark.name);
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| -}
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| -
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| -
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| -// Notifies the runner that we're done with running a suite and that
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| -// we have a result which can be reported to the user if needed.
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| -BenchmarkSuite.prototype.NotifyResult = function() {
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| - var mean = BenchmarkSuite.GeometricMean(this.results);
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| - var score = this.reference / mean;
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| - BenchmarkSuite.scores.push(score);
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| - if (this.runner.NotifyResult) {
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| - var formatted = BenchmarkSuite.FormatScore(100 * score);
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| - this.runner.NotifyResult(this.name, formatted);
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| - }
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| -}
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| -
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| -
|
| -// Notifies the runner that running a benchmark resulted in an error.
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| -BenchmarkSuite.prototype.NotifyError = function(error) {
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| - if (this.runner.NotifyError) {
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| - this.runner.NotifyError(this.name, error);
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| - }
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| - if (this.runner.NotifyStep) {
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| - this.runner.NotifyStep(this.name);
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| - }
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| -}
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| -
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| -
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| -// Runs a single benchmark for at least a second and computes the
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| -// average time it takes to run a single iteration.
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| -BenchmarkSuite.prototype.RunSingleBenchmark = function(benchmark, data) {
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| - function Measure(data) {
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| - var elapsed = 0;
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| - var start = new Date();
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| - for (var n = 0; elapsed < 1000; n++) {
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| - benchmark.run();
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| - elapsed = new Date() - start;
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| - }
|
| - if (data != null) {
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| - data.runs += n;
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| - data.elapsed += elapsed;
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| - }
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| - }
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| -
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| - if (data == null) {
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| - // Measure the benchmark once for warm up and throw the result
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| - // away. Return a fresh data object.
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| - Measure(null);
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| - return { runs: 0, elapsed: 0 };
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| - } else {
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| - Measure(data);
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| - // If we've run too few iterations, we continue for another second.
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| - if (data.runs < 32) return data;
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| - var usec = (data.elapsed * 1000) / data.runs;
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| - this.NotifyStep(new BenchmarkResult(benchmark, usec));
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| - return null;
|
| - }
|
| -}
|
| -
|
| -
|
| -// This function starts running a suite, but stops between each
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| -// individual benchmark in the suite and returns a continuation
|
| -// function which can be invoked to run the next benchmark. Once the
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| -// last benchmark has been executed, null is returned.
|
| -BenchmarkSuite.prototype.RunStep = function(runner) {
|
| - this.results = [];
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| - this.runner = runner;
|
| - var length = this.benchmarks.length;
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| - var index = 0;
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| - var suite = this;
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| - var data;
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| -
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| - // Run the setup, the actual benchmark, and the tear down in three
|
| - // separate steps to allow the framework to yield between any of the
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| - // steps.
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| -
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| - function RunNextSetup() {
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| - if (index < length) {
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| - try {
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| - suite.benchmarks[index].Setup();
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| - } catch (e) {
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| - suite.NotifyError(e);
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| - return null;
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| - }
|
| - return RunNextBenchmark;
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| - }
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| - suite.NotifyResult();
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| - return null;
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| - }
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| -
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| - function RunNextBenchmark() {
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| - try {
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| - data = suite.RunSingleBenchmark(suite.benchmarks[index], data);
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| - } catch (e) {
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| - suite.NotifyError(e);
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| - return null;
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| - }
|
| - // If data is null, we're done with this benchmark.
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| - return (data == null) ? RunNextTearDown : RunNextBenchmark();
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| - }
|
| -
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| - function RunNextTearDown() {
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| - try {
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| - suite.benchmarks[index++].TearDown();
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| - } catch (e) {
|
| - suite.NotifyError(e);
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| - return null;
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| - }
|
| - return RunNextSetup;
|
| - }
|
| -
|
| - // Start out running the setup.
|
| - return RunNextSetup();
|
| -}
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|
|