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70 lines
2.2 KiB
70 lines
2.2 KiB
4 years ago
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/**
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* Copyright 2019-2020 Huawei Technologies Co., Ltd
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*
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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 "graph/manager/host_mem_allocator.h"
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#include "framework/common/debug/ge_log.h"
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#include "common/ge/ge_util.h"
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namespace ge {
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const void *HostMemAllocator::Malloc(const std::shared_ptr<AlignedPtr> &aligned_ptr, size_t size) {
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if (aligned_ptr == nullptr) {
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GELOGW("Insert a null aligned_ptr");
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return nullptr;
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}
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GELOGD("allocate existed host memory succ, size=%zu", size);
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allocated_blocks_[aligned_ptr->Get()] = { size, aligned_ptr };
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return aligned_ptr->Get();
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}
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uint8_t *HostMemAllocator::Malloc(size_t size) {
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GELOGD("start to malloc host memory, size=%zu", size);
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std::lock_guard<std::mutex> lock(mutex_);
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std::shared_ptr<AlignedPtr> aligned_ptr = MakeShared<AlignedPtr>(size);
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if (aligned_ptr == nullptr) {
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GELOGE(INTERNAL_ERROR, "make shared_ptr for AlignedPtr failed");
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return nullptr;
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}
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allocated_blocks_[aligned_ptr->Get()] = { size, aligned_ptr };
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GELOGD("allocate host memory succ, size=%zu", size);
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return aligned_ptr->MutableGet();
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}
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Status HostMemAllocator::Free(const void *memory_addr) {
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if (memory_addr == nullptr) {
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GELOGE(GE_GRAPH_FREE_FAILED, "Invalid memory pointer");
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return GE_GRAPH_FREE_FAILED;
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}
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std::lock_guard<std::mutex> lock(mutex_);
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auto it = allocated_blocks_.find(memory_addr);
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if (it == allocated_blocks_.end()) {
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GELOGE(PARAM_INVALID, "Invalid memory pointer");
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return PARAM_INVALID;
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}
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it->second.second.reset();
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allocated_blocks_.erase(it);
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return SUCCESS;
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}
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void HostMemAllocator::Clear() {
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for (auto &block : allocated_blocks_) {
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block.second.second.reset();
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}
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allocated_blocks_.clear();
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}
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} // namespace ge
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