v8/test/js-perf-test/Array/join.js
Mike Stanton a0ab7d4527 [JSPerfTests] Refactoring in Array 2nd-order builtin tests
The (numbing) repetition in these tests were leading to errors when
writing new tests. Now a function DefineHigherOrderTests() can be
used to succinctly describe a test on (mostly) a single line.

Change-Id: I70d65ffd784a17bbf0b9ca2de477135c5d901794
Reviewed-on: https://chromium-review.googlesource.com/864144
Commit-Queue: Michael Stanton <mvstanton@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50590}
2018-01-15 16:32:27 +00:00

37 lines
932 B
JavaScript

// 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.
(() => {
var array;
var result;
var array_size = 1000;
function make_join() {
return new Function('result = array.join();');
}
benchy('SmiJoin', make_join(), SmiJoinSetup);
benchy('StringJoin', make_join(), StringJoinSetup);
benchy('SparseSmiJoin', make_join(), SparseSmiJoinSetup);
benchy('SparseStringJoin', make_join(), SparseStringJoinSetup);
function SmiJoinSetup() {
array = new Array();
for (var i = 0; i < array_size; ++i) array[i] = i;
}
function StringJoinSetup() {
array = new Array();
for (var i = 0; i < array_size; ++i) array[i] = `Item no. ${i}`;
}
function SparseSmiJoinSetup() {
SmiJoinSetup();
array.length = array.length * 2;
}
function SparseStringJoinSetup() {
StringJoinSetup();
array.length = array.length * 2;
}
})();