blob: 19768b73aaa69f3a5d6049deb3273fbb02b63c56 [file] [log] [blame]
// 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 copy schemes against spread initial literals.
// Benchmarks for small holey double arrays.
const smallHoleyArray = Array(100);
for (var i = 0; i < 10; i++) {
smallHoleyArray[i] = i + 6.66;
}
for (var i = 90; i < 99; i++) {
smallHoleyArray[i] = i + 6.66;
}
// ----------------------------------------------------------------------------
// Benchmark: Spread
// ----------------------------------------------------------------------------
function SpreadSmallHoley() {
var newArr = [...smallHoleyArray];
// basic sanity check
if (newArr.length != smallHoleyArray.length) throw 666;
return newArr;
}
// ----------------------------------------------------------------------------
// Benchmark: ForLength
// ----------------------------------------------------------------------------
function ForLengthSmallHoley() {
var newArr = new Array(smallHoleyArray.length);
for (let i = 0; i < smallHoleyArray.length; i++) {
newArr[i] = smallHoleyArray[i];
}
// basic sanity check
if (newArr.length != smallHoleyArray.length) throw 666;
return newArr;
}
// ----------------------------------------------------------------------------
// Benchmark: ForLengthEmpty
// ----------------------------------------------------------------------------
function ForLengthEmptySmallHoley() {
var newArr = [];
for (let i = 0; i < smallHoleyArray.length; i++) {
newArr[i] = smallHoleyArray[i];
}
// basic sanity check
if (newArr.length != smallHoleyArray.length) throw 666;
return newArr;
}
// ----------------------------------------------------------------------------
// Benchmark: Slice
// ----------------------------------------------------------------------------
function SliceSmallHoley() {
var newArr = smallHoleyArray.slice();
// basic sanity check
if (newArr.length != smallHoleyArray.length) throw 666;
return newArr;
}
// ----------------------------------------------------------------------------
// Benchmark: Slice0
// ----------------------------------------------------------------------------
function Slice0SmallHoley() {
var newArr = smallHoleyArray.slice(0);
// basic sanity check
if (newArr.length != smallHoleyArray.length) throw 666;
return newArr;
}
// ----------------------------------------------------------------------------
// Benchmark: ConcatReceive
// ----------------------------------------------------------------------------
function ConcatReceiveSmallHoley() {
var newArr = smallHoleyArray.concat();
// basic sanity check
if (newArr.length != smallHoleyArray.length) throw 666;
return newArr;
}
// ----------------------------------------------------------------------------
// Benchmark: ConcatArg
// ----------------------------------------------------------------------------
function ConcatArgSmallHoley() {
var newArr = [].concat(smallHoleyArray);
// basic sanity check
if (newArr.length != smallHoleyArray.length) throw 666;
return newArr;
}
// ----------------------------------------------------------------------------
// Benchmark: ForOfPush
// ----------------------------------------------------------------------------
function ForOfPushSmallHoley() {
var newArr = [];
for (let x of smallHoleyArray) {
newArr.push(x)
}
// basic sanity check
if (newArr.length != smallHoleyArray.length) throw 666;
return newArr;
}
// ----------------------------------------------------------------------------
// Benchmark: MapId
// ----------------------------------------------------------------------------
function MapIdSmallHoley() {
var newArr = smallHoleyArray.map(x => x);
// basic sanity check
if (newArr.length != smallHoleyArray.length) throw 666;
return newArr;
}
// ----------------------------------------------------------------------------
// Setup and Run
// ----------------------------------------------------------------------------
load('../base.js');
var success = true;
function PrintResult(name, result) {
print(name + '-ArrayLiteralInitialSpreadSmallDoubleHoley(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('Spread', SpreadSmallHoley);
CreateBenchmark('ForLength', ForLengthSmallHoley);
CreateBenchmark('ForLengthEmpty', ForLengthEmptySmallHoley);
CreateBenchmark('Slice', SliceSmallHoley);
CreateBenchmark('Slice0', Slice0SmallHoley);
CreateBenchmark('ConcatReceive', ConcatReceiveSmallHoley);
CreateBenchmark('ConcatArg', ConcatArgSmallHoley);
CreateBenchmark('ForOfPush', ForOfPushSmallHoley);
CreateBenchmark('MapId', MapIdSmallHoley);
BenchmarkSuite.config.doWarmup = true;
BenchmarkSuite.config.doDeterministic = false;
BenchmarkSuite.RunSuites({NotifyResult: PrintResult, NotifyError: PrintError});