mirror of
https://github.com/dart-lang/sdk
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d68d2e9e0a
Bug: https://github.com/dart-lang/sdk/issues/41974 Change-Id: I23201f28e5d1e2ba298611206fc3eb0a9a989c2b Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/155241 Reviewed-by: Alexander Markov <alexmarkov@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
41 lines
1.5 KiB
Dart
41 lines
1.5 KiB
Dart
// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// VMOptions=--use_compactor
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// Each loading unit creates more image pages in the heap, which unfortunately
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// cannot be aligned stronger than virtual memory page alignment, so the
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// compactor must detect references to these image pages separately. Before
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// these loading units were implemented, the compactor could assume a small
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// upper bound on the number of image pages.
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import "package:expect/expect.dart";
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import "fragmentation_deferred_load_lib1.dart" deferred as lib1;
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import "fragmentation_deferred_load_lib2.dart" deferred as lib2;
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import "fragmentation_deferred_load_lib3.dart" deferred as lib3;
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main() async {
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await lib1.loadLibrary();
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Expect.equals("one!", lib1.foo());
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await lib2.loadLibrary();
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Expect.equals("two!", lib2.foo());
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await lib3.loadLibrary();
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Expect.equals("three!", lib3.foo());
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final List<List?> arrays = [];
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// Fill up heap with alternate large-small items.
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for (int i = 0; i < 500000; i++) {
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arrays.add(new List<dynamic>.filled(260, null));
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arrays.add(new List<dynamic>.filled(1, null));
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}
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// Clear the large items so that the heap is full of 260-word gaps.
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for (int i = 0; i < arrays.length; i += 2) {
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arrays[i] = null;
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}
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// Allocate a lot of 300-word objects that don't fit in the gaps.
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for (int i = 0; i < 600000; i++) {
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arrays.add(new List<dynamic>.filled(300, null));
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}
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}
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