// Copyright 2017 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. function benchy(name, test, testSetup) { new BenchmarkSuite(name, [1000], [ new Benchmark(name, false, false, 0, test, testSetup, ()=>{}) ]); } benchy('SmiToString', SmiToString, SmiToStringSetup); benchy('SmiToString', SmiToString, SmiToStringSetup); benchy('SparseSmiToString', SparseSmiToString, SparseSmiToStringSetup); benchy('SparseStringToString', SparseStringToString, SparseStringToStringSetup); var array; var result; var array_size = 1000; // Although these functions have the same code, they are separated for // clean IC feedback. function SmiToString() { result = array.toString(); } function StringToString() { result = array.toString(); } function SparseSmiToString() { result = array.toString(); } function SparseStringToString() { result = array.toString(); } function SmiToStringSetup() { array = new Array(); for (var i = 0; i < array_size; ++i) array[i] = i; } function StringToStringSetup() { array = new Array(); for (var i = 0; i < array_size; ++i) array[i] = `Item no. ${i}`; } function SparseSmiToStringSetup() { SmiToStringSetup(); array.length = array.length * 2; } function SparseStringToStringSetup() { StringToStringSetup(); array.length = array.length * 2; }