de/d6e/CAConstants_8h_source.html

#ifndef RecoPixelVertexing_PixelTriplets_plugins_CAConstants_h

#define RecoPixelVertexing_PixelTriplets_plugins_CAConstants_h


#include <cstdint>


#include <cuda_runtime.h>


#include "CUDADataFormats/SiPixelCluster/interface/gpuClusteringConstants.h"

#include "HeterogeneousCore/CUDAUtilities/interface/SimpleVector.h"

#include "HeterogeneousCore/CUDAUtilities/interface/VecArray.h"

#include "HeterogeneousCore/CUDAUtilities/interface/HistoContainer.h"


//#define ONLY_PHICUT


// Cellular automaton constants

namespace caConstants {


  // constants

#ifdef ONLY_PHICUT

  constexpr uint32_t maxCellNeighbors = 64;

  constexpr uint32_t maxCellTracks = 64;

  constexpr uint32_t maxNumberOfTuples = 48 * 1024;

  constexpr uint32_t maxNumberOfDoublets = 2 * 1024 * 1024;

  constexpr uint32_t maxCellsPerHit = 8 * 128;

#else  // ONLY_PHICUT

  constexpr uint32_t maxCellNeighbors = 36;

  constexpr uint32_t maxCellTracks = 48;

#ifdef GPU_SMALL_EVENTS

  // kept for testing and debugging

  constexpr uint32_t maxNumberOfTuples = 3 * 1024;

  constexpr uint32_t maxNumberOfDoublets = 128 * 1024;

  constexpr uint32_t maxCellsPerHit = 128 / 2;

#else   // GPU_SMALL_EVENTS

  // tested on MC events with 55-75 pileup events

  constexpr uint32_t maxNumberOfTuples = 24 * 1024;

  constexpr uint32_t maxNumberOfDoublets = 512 * 1024;

  constexpr uint32_t maxCellsPerHit = 128;

#endif  // GPU_SMALL_EVENTS

#endif  // ONLY_PHICUT

  constexpr uint32_t maxNumOfActiveDoublets = maxNumberOfDoublets / 8;

  constexpr uint32_t maxNumberOfQuadruplets = maxNumberOfTuples;


  constexpr uint32_t maxNumberOfLayerPairs = 20;

  constexpr uint32_t maxNumberOfLayers = 10;

  constexpr uint32_t maxTuples = maxNumberOfTuples;


  // Modules constants

  constexpr uint32_t max_ladder_bpx0 = 12;

  constexpr uint32_t first_ladder_bpx0 = 0;

  constexpr float module_length_bpx0 = 6.7f;

  constexpr float module_tolerance_bpx0 = 0.4f;  // projection to cylinder is inaccurate on BPIX1

  constexpr uint32_t max_ladder_bpx4 = 64;

  constexpr uint32_t first_ladder_bpx4 = 84;

  constexpr float radius_even_ladder = 15.815f;

  constexpr float radius_odd_ladder = 16.146f;

  constexpr float module_length_bpx4 = 6.7f;

  constexpr float module_tolerance_bpx4 = 0.2f;

  constexpr float barrel_z_length = 26.f;

  constexpr float forward_z_begin = 32.f;


  // Last indexes

  constexpr uint32_t last_bpix1_detIndex = 96;

  constexpr uint32_t last_barrel_detIndex = 1184;


  // types

  using hindex_type = uint32_t;  // FIXME from siPixelRecHitsHeterogeneousProduct

  using tindex_type = uint16_t;  // for tuples


  using CellNeighbors = cms::cuda::VecArray<uint32_t, maxCellNeighbors>;

  using CellTracks = cms::cuda::VecArray<tindex_type, maxCellTracks>;


  using CellNeighborsVector = cms::cuda::SimpleVector<CellNeighbors>;

  using CellTracksVector = cms::cuda::SimpleVector<CellTracks>;


  using OuterHitOfCell = cms::cuda::VecArray<uint32_t, maxCellsPerHit>;

  using TuplesContainer = cms::cuda::OneToManyAssoc<hindex_type, maxTuples, 5 * maxTuples>;

  using HitToTuple =

      cms::cuda::OneToManyAssoc<tindex_type, pixelGPUConstants::maxNumberOfHits, 4 * maxTuples>;  // 3.5 should be enough

  using TupleMultiplicity = cms::cuda::OneToManyAssoc<tindex_type, 8, maxTuples>;


}  // namespace caConstants


#endif  // RecoPixelVertexing_PixelTriplets_plugins_CAConstants_h