Program Listing for File worker_info.hpp

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// Copyright 2021 Xilinx, Inc.
// Copyright 2022 Advanced Micro Devices, Inc.
//
// 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 GUARD_AMDINFER_CORE_WORKER_INFO
#define GUARD_AMDINFER_CORE_WORKER_INFO

#include <cstddef>  // for size_t
#include <map>      // for map
#include <memory>   // for unique_ptr
#include <string>   // for string
#include <thread>   // for thread, thread::id
#include <vector>   // for vector

#include "amdinfer/declarations.hpp"  // for BufferPtr
#include "amdinfer/util/queue.hpp"    // for BufferPtrsQueuePtr

namespace amdinfer {
class Batcher;
class RequestParameters;
namespace workers {
class Worker;
}  // namespace workers
}  // namespace amdinfer

namespace amdinfer {

class WorkerInfo {
 public:
  WorkerInfo(const std::string& name, RequestParameters* parameters);
  ~WorkerInfo();
  WorkerInfo(WorkerInfo const&) = delete;
  WorkerInfo& operator=(const WorkerInfo&) = delete;
  WorkerInfo(WorkerInfo&& other) = delete;
  WorkerInfo& operator=(WorkerInfo&& other) = delete;

  Batcher* getBatcher();
  void join(std::thread::id id);
  void joinAll();

  void addAndStartWorker(const std::string& name,
                         RequestParameters* parameters);

  void unload();
  void shutdown();

  [[nodiscard]] BufferPtrs getInputBuffer() const;
  [[nodiscard]] BufferPtrs getOutputBuffer() const;
  void putInputBuffer(BufferPtrs&& buffer) const;
  void putOutputBuffer(BufferPtrs&& buffer) const;

  [[nodiscard]] bool inputSizeValid(size_t size) const;

  [[nodiscard]] auto getBufferNum() const { return this->buffer_num_; }

  [[nodiscard]] auto getMaxBufferNum() const { return this->max_buffer_num_; }

  void allocate(size_t request_size);

  [[nodiscard]] size_t getGroupSize() const;

  [[nodiscard]] auto getBatchSize() const { return this->batch_size_; }

 private:
  std::map<std::thread::id, std::thread> worker_threads_;
  std::map<std::thread::id, workers::Worker*> workers_;
  std::vector<std::unique_ptr<Batcher>> batchers_;
  BufferPtrsQueuePtr input_buffer_ptr_;
  BufferPtrsQueuePtr output_buffer_ptr_;
  size_t buffer_num_ = 0;
  size_t max_buffer_num_ = 0;
  size_t batch_size_ = 1;

  friend class Manager;
};

}  // namespace amdinfer
#endif  // GUARD_AMDINFER_CORE_WORKER_INFO