ce206503bc
This CL adds basic JS benchmarks for Array.p.copyWithin to get some feedback for the upcoming Torque implementation. R=jgruber@chromium.org Bug: v8:7624 Change-Id: Ic193a2b576d5fb7ac9f39db0379cece9144f979f Reviewed-on: https://chromium-review.googlesource.com/1167289 Reviewed-by: Jakob Gruber <jgruber@chromium.org> Commit-Queue: Simon Zünd <szuend@google.com> Cr-Commit-Position: refs/heads/master@{#54984}
44 lines
1.2 KiB
JavaScript
44 lines
1.2 KiB
JavaScript
// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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(() => {
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const kArraySize = 1000;
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const kQuarterSize = kArraySize / 4;
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let array = [];
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// Copy a quarter of the elements from the middle to the front.
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function CopyWithin() {
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return new Function(
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'array.copyWithin(0, kQuarterSize * 2, kQuarterSize * 3);');
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}
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createSuite('SmiCopyWithin', 1000, CopyWithin, SmiCopyWithinSetup);
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createSuite('StringCopyWithin', 1000, CopyWithin, StringCopyWithinSetup);
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createSuite('SparseSmiCopyWithin', 1000, CopyWithin, SparseSmiCopyWithinSetup);
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createSuite(
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'SparseStringCopyWithin', 1000, CopyWithin, SparseStringCopyWithinSetup);
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function SmiCopyWithinSetup() {
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array = [];
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for (let i = 0; i < kArraySize; ++i) array[i] = i;
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}
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function StringCopyWithinSetup() {
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array = [];
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for (let i = 0; i < kArraySize; ++i) array[i] = `Item no. ${i}`;
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}
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function SparseSmiCopyWithinSetup() {
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array = [];
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for (let i = 0; i < kArraySize; i += 10) array[i] = i;
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}
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function SparseStringCopyWithinSetup() {
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array = [];
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for (let i = 0; i < kArraySize; i += 10) array[i] = `Item no. ${i}`;
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}
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})();
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