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graphengine/ge/graph/build/memory/buffer_pool_mem_assigner.h

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2.6 KiB

/**
* Copyright 2020 Huawei Technologies Co., Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef GE_GRAPH_BUILD_MEMORY_BUFFER_POOL_MEM_ASSIGNER_H_
#define GE_GRAPH_BUILD_MEMORY_BUFFER_POOL_MEM_ASSIGNER_H_
#include <vector>
#include <map>
#include <unordered_map>
#include "graph/build/memory/mem_assigner.h"
#include "runtime/mem.h"
namespace ge {
class BufferPoolMemAssigner : public MemAssigner {
public:
BufferPoolMemAssigner(ComputeGraphPtr compute_graph, const std::map<int64_t, size_t> &mem_type_to_offset)
: MemAssigner(), compute_graph_(compute_graph),
mem_type_(0),
mem_offset_(0),
mem_offset_base_(0),
init_offset_base_(false),
mem_type_to_offset_(mem_type_to_offset) {}
BufferPoolMemAssigner(const BufferPoolMemAssigner &) = delete;
BufferPoolMemAssigner &operator=(const BufferPoolMemAssigner &) = delete;
~BufferPoolMemAssigner() override = default;
Status Assign() override;
size_t GetMemOffset() const { return mem_offset_; }
int64_t GetMemType() const { return mem_type_; }
private:
static Status GetOutputMemoryType(const NodePtr &node, size_t idx, int64_t &memory_type);
Status InitAssigner(const ComputeGraphPtr &graph);
Status InitMemOffsetBase(const NodePtr &node);
Status AssignOutput();
Status AssignOutputInOneBufferPool(const std::string &batch_label,
int64_t output_offset_base,
const std::vector<NodePtr> &buffer_pool_nodes);
ComputeGraphPtr compute_graph_;
int64_t mem_type_;
size_t mem_offset_;
int64_t mem_offset_base_;
bool init_offset_base_;
std::map<int64_t, size_t> mem_type_to_offset_;
// Use map to ensure that each visit is in the order of pool id
std::unordered_map<std::string, std::map<int64_t, std::vector<NodePtr>>> buffer_pool_nodes_;
// Use map to ensure that each visit is in the order of pool id
std::unordered_map<std::string, std::map<int64_t, int64_t>> buffer_pool_size_;
std::unordered_map<std::string, std::unordered_map<int64_t, int64_t>> buffer_pool_offset_base_;
};
} // namespace ge
#endif // GE_GRAPH_BUILD_MEMORY_BUFFER_POOL_MEM_ASSIGNER_H_