v8/test/js-perf-test/ArrayLiteralInitialSpreadSmallSmiMap/run.js
Camillo Bruni a345a442d3 [d8][mjsunit][tools] Improve d8 file API
- Add d8.file.read() and d8.file.execute() helpers
- Change tools and tests to use new d8.file helper
- Unify error throwing in v8::Shell::ReadFile

Change-Id: I5ef4cb27f217508a367106f01e872a4059d5e399
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2928505
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74883}
2021-06-01 13:37:57 +00:00

94 lines
2.7 KiB
JavaScript

// 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
// ----------------------------------------------------------------------------
d8.file.execute('../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});