2293f88074
Bug: v8:7980 Change-Id: I640119fc9a9af66370c47f4d5b16244a1cc3f716 Reviewed-on: https://chromium-review.googlesource.com/c/1256810 Commit-Queue: Hai Dang <dhai@google.com> Reviewed-by: Georg Neis <neis@chromium.org> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Cr-Commit-Position: refs/heads/master@{#56504}
94 lines
2.7 KiB
JavaScript
94 lines
2.7 KiB
JavaScript
// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Comparing different iterating schemes against spread initial literals.
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// Benchmarks for small smi maps.
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var keys = Array.from(Array(50).keys());
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var keyValuePairs = keys.map((value) => [value, value + 1]);
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var map = new Map(keyValuePairs);
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// ----------------------------------------------------------------------------
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// Benchmark: SpreadKeys
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// ----------------------------------------------------------------------------
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function SpreadKeys() {
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var newArr = [...map.keys()];
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// basic sanity check
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if (newArr.length != map.size) throw 666;
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return newArr;
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}
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// ----------------------------------------------------------------------------
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// Benchmark: SpreadValues
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// ----------------------------------------------------------------------------
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function SpreadValues() {
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var newArr = [...map.values()];
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// basic sanity check
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if (newArr.length != map.size) throw 666;
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return newArr;
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}
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// ----------------------------------------------------------------------------
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// Benchmark: ForOfKeys
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// ----------------------------------------------------------------------------
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function ForOfKeys() {
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var newArr = new Array(map.size);
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var i = 0;
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for (let x of map.keys()) {
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newArr[i] = x;
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i++;
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}
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if (newArr.length != map.size) throw 666;
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return newArr;
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}
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// ----------------------------------------------------------------------------
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// Benchmark: ForOfValues
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// ----------------------------------------------------------------------------
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function ForOfValues() {
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var newArr = new Array(map.size);
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var i = 0;
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for (let x of map.values()) {
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newArr[i] = x;
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i++;
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}
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if (newArr.length != map.size) throw 666;
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return newArr;
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}
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// ----------------------------------------------------------------------------
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// Setup and Run
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// ----------------------------------------------------------------------------
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load('../base.js');
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var success = true;
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function PrintResult(name, result) {
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print(name + '-ArrayLiteralInitialSpreadSmallSmiMap(Score): ' + result);
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}
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function PrintError(name, error) {
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PrintResult('Error: ' + name, error);
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success = false;
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}
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function CreateBenchmark(name, f) {
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new BenchmarkSuite(name, [1000], [ new Benchmark(name, false, false, 0, f) ]);
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}
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CreateBenchmark('ForOfKeys', ForOfKeys);
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CreateBenchmark('ForOfValues', ForOfValues);
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CreateBenchmark('SpreadKeys', SpreadKeys);
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CreateBenchmark('SpreadValues', SpreadValues);
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BenchmarkSuite.config.doWarmup = true;
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BenchmarkSuite.config.doDeterministic = false;
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BenchmarkSuite.RunSuites({NotifyResult: PrintResult, NotifyError: PrintError});
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