Device.h

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// This file is part of the Peano project. For conditions of distribution and
// use, please see the copyright notice at www.peano-framework.org
#pragma once
 
#include <thread>
#include <set>
#include <string>
 
#include "tarch/logging/Log.h"
 
namespace tarch {
  namespace accelerator{
    class Device;
  }
}
 
class tarch::accelerator::Device {
  private:
    static tarch::logging::Log  _log;
 
    static int _localDeviceId;
 
    Device();
  public:
    static constexpr int HostDevice = -1;
 
    ~Device();
 
    static Device& getInstance();
 
    void configure(const std::set<int>& devicesToUse = {});
 
    void shutdown();
 
    bool isInitialised() const;
 
    int getNumberOfDevices() const;
 
    int getLocalDeviceId() const;
};