mirror of
https://github.com/openharmony/ark_js_runtime.git
synced 2026-07-22 07:35:27 -04:00
zhangyukun
56 lines
2.1 KiB
C++
56 lines
2.1 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "mem_controller.h"
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namespace panda::ecmascript {
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MemController::MemController(bool isInAppStartup) : isInAppStartup_(isInAppStartup) {}
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double MemController::CalculateAllocLimit(size_t currentSize, size_t minSize, size_t maxSize, size_t newSpaceCapacity,
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double factor) const
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{
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const uint64_t limit = std::max(static_cast<uint64_t>(currentSize * factor),
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static_cast<uint64_t>(currentSize) + MIN_AllOC_LIMIT_GROWING_STEP) +
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SEMI_SPACE_SIZE_CAPACITY;
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const uint64_t limitAboveMinSize = std::max<uint64_t>(limit, minSize);
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const uint64_t halfToMaxSize = (static_cast<uint64_t>(currentSize) + maxSize) / 2;
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const auto result = static_cast<size_t>(std::min(limitAboveMinSize, halfToMaxSize));
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return result;
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}
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MemController *CreateMemController(std::string_view gcTriggerType)
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{
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auto triggerType = GCTriggerType::INVALID_TRIGGER;
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if (gcTriggerType == "no-gc-for-start-up") {
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triggerType = GCTriggerType::NO_GC_FOR_STARTUP;
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} else if (gcTriggerType == "heap-trigger") {
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triggerType = GCTriggerType::HEAP_TRIGGER;
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}
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MemController *ret{nullptr};
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switch (triggerType) { // NOLINT(hicpp-multiway-paths-covered)
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case GCTriggerType::NO_GC_FOR_STARTUP:
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ret = new MemController(true);
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break;
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case GCTriggerType::HEAP_TRIGGER:
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ret = new MemController(false);
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break;
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default:
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break;
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}
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return ret;
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}
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} // namespace panda::ecmascript
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