Info.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2020 CERN for the benefit of the Acts project
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#pragma once

// System include(s).
#include <iosfwd>
#include <string>
#include <vector>

namespace Acts {
namespace Cuda {

class Info {
 public:

  Info(const Info&) = delete;
  Info(Info&&) = delete;

  Info& operator=(const Info&) = delete;
  Info& operator=(Info&&) = delete;


  static Info& instance();

  struct Device {
    int id = -1;
    std::string name;
    int maxThreadsPerBlock = -1;
    bool concurrentKernels = false;
    std::size_t totalMemory = 0;
  };  // struct Device

  const std::vector<Device>& devices() const;

 private:
  Info();

  std::vector<Device> m_devices;

};  // class Info

std::ostream& operator<<(std::ostream& out, const Info::Device& device);

}  // namespace Cuda
}  // namespace Acts