TrigITkModuleCuda.h

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef TRIGINDETCUDA_TRIGITkMODULECUDA_H
#define TRIGINDETCUDA_TRIGITkMODULECUDA_H
 
#include <map>
#include <atomic>
#include <unistd.h>
#include "TrigAccelEvent/WorkFactory.h"
#include "TrigAccelEvent/TrigITkAccelEDM.h"
#include "TrigAccelEvent/TrigInDetAccelCodes.h"
 
#include "device_context.h"
 
class TrigITkModuleCuda : public TrigAccel::WorkFactory {
 
 public:
 
  TrigITkModuleCuda();
 
  ~TrigITkModuleCuda();
 
  bool configure();
 
  TrigAccel::Work* createWork(int, std::shared_ptr<TrigAccel::OffloadBuffer>);
 
  const std::vector<int> getProvidedAlgs();
 
  virtual int getFactoryId() {
    return TrigAccel::TrigITkModuleID_CUDA;
  }
    
  private:
 
    inline void checkError(int code = 0) const {
      cudaError_t error = cudaGetLastError();
      if(error != cudaSuccess) {
        printf("%d CUDA error %d: %s\n", getpid(), code, cudaGetErrorString(error));
        exit(-1);
      }
    };
    
    //data structures
 
    //1. "const" data: managed by the Factory
 
    unsigned char* m_h_detmodel;
 
    std::map<int, unsigned char*> m_d_detmodel_ptrs;
    
    int m_maxDevice;
 
    // data context allocation / de-allocation
    
    SeedMakingDeviceContext* createSeedMakingContext(int) const;
 
 
    SeedMakingManagedDeviceContext* createManagedSeedMakingContext(int) const;
 
    GbtsDeviceContext* createGbtsContext(int id, const TrigAccel::ITk::GRAPH_MAKING_INPUT_DATA*) const;
  
    bool m_dumpTimeLine;
    
    std::atomic<unsigned int> m_workItemCounters[100];//atomic counters for unique Work identification
    WorkTimeStampQueue m_timeLine;
  };
 
#endif