748e33944d
Bug: chromium:845409 Change-Id: Id8b89e6dac48bba9065ac9f04ce48f951aa2186b Reviewed-on: https://chromium-review.googlesource.com/1092860 Commit-Queue: Rodrigo Bruno <rfbpb@google.com> Reviewed-by: Ulan Degenbaev <ulan@chromium.org> Cr-Commit-Position: refs/heads/master@{#53617}
113 lines
4.4 KiB
C++
113 lines
4.4 KiB
C++
// Copyright 2014 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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#include <cmath>
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#include <iostream>
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#include <limits>
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#include "src/objects-inl.h"
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#include "src/objects.h"
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#include "src/handles-inl.h"
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#include "src/handles.h"
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#include "src/heap/heap-controller.h"
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#include "test/unittests/test-utils.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace v8 {
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namespace internal {
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typedef TestWithIsolate HeapControllerTest;
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double Round(double x) {
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// Round to three digits.
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return floor(x * 1000 + 0.5) / 1000;
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}
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void CheckEqualRounded(double expected, double actual) {
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expected = Round(expected);
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actual = Round(actual);
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EXPECT_DOUBLE_EQ(expected, actual);
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}
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TEST(HeapController, HeapGrowingFactor) {
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CheckEqualRounded(HeapController::kMaxHeapGrowingFactor,
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HeapController::HeapGrowingFactor(34, 1, 4.0));
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CheckEqualRounded(3.553, HeapController::HeapGrowingFactor(45, 1, 4.0));
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CheckEqualRounded(2.830, HeapController::HeapGrowingFactor(50, 1, 4.0));
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CheckEqualRounded(1.478, HeapController::HeapGrowingFactor(100, 1, 4.0));
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CheckEqualRounded(1.193, HeapController::HeapGrowingFactor(200, 1, 4.0));
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CheckEqualRounded(1.121, HeapController::HeapGrowingFactor(300, 1, 4.0));
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CheckEqualRounded(HeapController::HeapGrowingFactor(300, 1, 4.0),
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HeapController::HeapGrowingFactor(600, 2, 4.0));
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CheckEqualRounded(HeapController::kMinHeapGrowingFactor,
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HeapController::HeapGrowingFactor(400, 1, 4.0));
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}
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TEST(HeapController, MaxHeapGrowingFactor) {
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CheckEqualRounded(1.3, HeapController::MaxHeapGrowingFactor(
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HeapController::kMinOldGenerationSize * MB));
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CheckEqualRounded(1.600, HeapController::MaxHeapGrowingFactor(
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HeapController::kMaxOldGenerationSize / 2 * MB));
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CheckEqualRounded(1.999, HeapController::MaxHeapGrowingFactor(
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(HeapController::kMaxOldGenerationSize -
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Heap::kPointerMultiplier) *
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MB));
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CheckEqualRounded(
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4.0,
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HeapController::MaxHeapGrowingFactor(
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static_cast<size_t>(HeapController::kMaxOldGenerationSize) * MB));
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}
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TEST_F(HeapControllerTest, OldGenerationAllocationLimit) {
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Heap* heap = i_isolate()->heap();
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size_t old_gen_size = 128 * MB;
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size_t max_old_generation_size = 512 * MB;
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double gc_speed = 100;
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double mutator_speed = 1;
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size_t new_space_capacity = 16 * MB;
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double max_factor =
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HeapController::MaxHeapGrowingFactor(max_old_generation_size);
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double factor =
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HeapController::HeapGrowingFactor(gc_speed, mutator_speed, max_factor);
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EXPECT_EQ(static_cast<size_t>(old_gen_size * factor + new_space_capacity),
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heap->heap_controller()->CalculateOldGenerationAllocationLimit(
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old_gen_size, max_old_generation_size, gc_speed, mutator_speed,
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new_space_capacity, Heap::HeapGrowingMode::kDefault));
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factor = Min(factor, HeapController::kConservativeHeapGrowingFactor);
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EXPECT_EQ(static_cast<size_t>(old_gen_size * factor + new_space_capacity),
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heap->heap_controller()->CalculateOldGenerationAllocationLimit(
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old_gen_size, max_old_generation_size, gc_speed, mutator_speed,
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new_space_capacity, Heap::HeapGrowingMode::kConservative));
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factor = HeapController::kMinHeapGrowingFactor;
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EXPECT_EQ(static_cast<size_t>(old_gen_size * factor + new_space_capacity),
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heap->heap_controller()->CalculateOldGenerationAllocationLimit(
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old_gen_size, max_old_generation_size, gc_speed, mutator_speed,
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new_space_capacity, Heap::HeapGrowingMode::kMinimal));
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}
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TEST(HeapController, MaxOldGenerationSize) {
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uint64_t configurations[][2] = {
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{0, HeapController::kMinOldGenerationSize},
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{512, HeapController::kMinOldGenerationSize},
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{1 * GB, 256 * Heap::kPointerMultiplier},
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{2 * static_cast<uint64_t>(GB), 512 * Heap::kPointerMultiplier},
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{4 * static_cast<uint64_t>(GB), HeapController::kMaxOldGenerationSize},
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{8 * static_cast<uint64_t>(GB), HeapController::kMaxOldGenerationSize}};
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for (auto configuration : configurations) {
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ASSERT_EQ(configuration[1],
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static_cast<uint64_t>(
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Heap::ComputeMaxOldGenerationSize(configuration[0])));
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}
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}
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} // namespace internal
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} // namespace v8
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