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// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Comparing different iterating schemes against spread initial literals.
// Benchmarks for small smi maps.
var keys = Array.from(Array(50).keys());
var keyValuePairs = keys.map((value) => [value, value + 1]);
var map = new Map(keyValuePairs);
// ----------------------------------------------------------------------------
// Benchmark: SpreadKeys
// ----------------------------------------------------------------------------
function SpreadKeys() {
var newArr = [...map.keys()];
// basic sanity check
if (newArr.length != map.size) throw 666;
return newArr;
}
// ----------------------------------------------------------------------------
// Benchmark: SpreadValues
// ----------------------------------------------------------------------------
function SpreadValues() {
var newArr = [...map.values()];
// basic sanity check
if (newArr.length != map.size) throw 666;
return newArr;
}
// ----------------------------------------------------------------------------
// Benchmark: ForOfKeys
// ----------------------------------------------------------------------------
function ForOfKeys() {
var newArr = new Array(map.size);
var i = 0;
for (let x of map.keys()) {
newArr[i] = x;
i++;
}
if (newArr.length != map.size) throw 666;
return newArr;
}
// ----------------------------------------------------------------------------
// Benchmark: ForOfValues
// ----------------------------------------------------------------------------
function ForOfValues() {
var newArr = new Array(map.size);
var i = 0;
for (let x of map.values()) {
newArr[i] = x;
i++;
}
if (newArr.length != map.size) throw 666;
return newArr;
}
// ----------------------------------------------------------------------------
// Setup and Run
// ----------------------------------------------------------------------------
load('../base.js');
var success = true;
function PrintResult(name, result) {
print(name + '-ArrayLiteralInitialSpreadSmallSmiMap(Score): ' + result);
}
function PrintError(name, error) {
PrintResult('Error: ' + name, error);
success = false;
}
function CreateBenchmark(name, f) {
new BenchmarkSuite(name, [1000], [ new Benchmark(name, false, false, 0, f) ]);
}
CreateBenchmark('ForOfKeys', ForOfKeys);
CreateBenchmark('ForOfValues', ForOfValues);
CreateBenchmark('SpreadKeys', SpreadKeys);
CreateBenchmark('SpreadValues', SpreadValues);
BenchmarkSuite.config.doWarmup = true;
BenchmarkSuite.config.doDeterministic = false;
BenchmarkSuite.RunSuites({NotifyResult: PrintResult, NotifyError: PrintError});
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