blob: 82ee033684d89a4bb49bbf98f9bf56193c2cf047 [file] [log] [blame]
// Copyright 2012 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.
#include <cstddef>
#include "src/heap/heap.h"
#include "src/utils/allocation.h"
#include "testing/gtest/include/gtest/gtest_prod.h" // nogncheck
namespace v8 {
namespace internal {
struct BaseControllerTrait {
static constexpr size_t kMinSize = 128u * Heap::kHeapLimitMultiplier * MB;
static constexpr size_t kMaxSize = 1024u * Heap::kHeapLimitMultiplier * MB;
static constexpr double kMinGrowingFactor = 1.1;
static constexpr double kMaxGrowingFactor = 4.0;
static constexpr double kConservativeGrowingFactor = 1.3;
static constexpr double kTargetMutatorUtilization = 0.97;
struct V8HeapTrait : public BaseControllerTrait {
static const char* kName;
struct GlobalMemoryTrait : public BaseControllerTrait {
static const char* kName;
template <typename Trait>
class V8_EXPORT_PRIVATE MemoryController : public AllStatic {
// Computes the growing step when the limit increases.
static size_t MinimumAllocationLimitGrowingStep(
Heap::HeapGrowingMode growing_mode);
static double GrowingFactor(Heap* heap, size_t max_heap_size, double gc_speed,
double mutator_speed);
static size_t CalculateAllocationLimit(Heap* heap, size_t current_size,
size_t min_size, size_t max_size,
size_t new_space_capacity,
double factor,
Heap::HeapGrowingMode growing_mode);
static double MaxGrowingFactor(size_t max_heap_size);
static double DynamicGrowingFactor(double gc_speed, double mutator_speed,
double max_factor);
FRIEND_TEST(MemoryControllerTest, HeapGrowingFactor);
FRIEND_TEST(MemoryControllerTest, MaxHeapGrowingFactor);
} // namespace internal
} // namespace v8