TrackerTraitsGPU.h

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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
 
#ifndef ITSTRACKINGGPU_TRACKERTRAITSGPU_H_
#define ITSTRACKINGGPU_TRACKERTRAITSGPU_H_
 
#include "ITStracking/TrackerTraits.h"
#include "ITStrackingGPU/TimeFrameGPU.h"
 
namespace o2::its
{
 
template <int nLayers = 7>
class TrackerTraitsGPU final : public TrackerTraits<nLayers>
{
  using typename TrackerTraits<nLayers>::IndexTableUtilsN;
 
 public:
  TrackerTraitsGPU() = default;
  ~TrackerTraitsGPU() final = default;
 
  void adoptTimeFrame(TimeFrame<nLayers>* tf) final;
  void initialiseTimeFrame(const int iteration) final;
 
  void computeLayerTracklets(const int iteration, int, int) final;
  void computeLayerCells(const int iteration) final;
  void findCellsNeighbours(const int iteration) final;
  void findRoads(const int iteration) final;
 
  bool supportsExtendTracks() const noexcept final { return false; }
  bool supportsFindShortPrimaries() const noexcept final { return false; }
 
  void setBz(float) final;
 
  const char* getName() const noexcept final { return "GPU"; }
  bool isGPU() const noexcept final { return true; }
 
  // TimeFrameGPU information forwarding
  int getTFNumberOfClusters() const override;
  int getTFNumberOfTracklets() const override;
  int getTFNumberOfCells() const override;
 
 private:
  IndexTableUtilsN* mDeviceIndexTableUtils;
  gpu::TimeFrameGPU<nLayers>* mTimeFrameGPU;
};
 
} // namespace o2::its
 
#endif