GPUTPCNNClusterizerKernels.h

Go to the documentation of this file.

// 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 O2_GPU_NN_CLUSTERIZER_H
#define O2_GPU_NN_CLUSTERIZER_H
 
#include "CfArray2D.h"
#include "GPUGeneralKernels.h"
#include "GPUTPCNNClusterizer.h"
#include "GPUTPCCFClusterizer.h"
 
namespace o2::tpc
{
struct ClusterNative;
} // namespace o2::tpc
 
namespace o2::gpu
{
 
class ClusterAccumulator;
class MCLabelAccumulator;
struct CfChargePos;
class PackedCharge;
 
class GPUTPCNNClusterizerKernels : public GPUKernelTemplate
{
 public:
  // Must all have same number of threads, since they use a common SCRATCH_PAD_WORK_GROUP_SIZE below
  static constexpr size_t SCRATCH_PAD_WORK_GROUP_SIZE = GPUCA_GET_THREAD_COUNT(GPUCA_LB_GPUTPCCFClusterizer);
  using GPUSharedMemory = GPUTPCCFClusterizer::GPUSharedMemory;
 
  GPUhdi() constexpr static gpudatatypes::RecoStep GetRecoStep()
  {
    return gpudatatypes::RecoStep::TPCClusterFinding;
  }
 
  enum K : int32_t {
    runCfClusterizer = 0,
    fillInputNNCPU = 1,
    fillInputNNGPU = 2,
    determineClass1Labels = 3,
    determineClass2Labels = 4,
    publishClass1Regression = 5,
    publishClass2Regression = 6,
    publishDeconvolutionFlags = 7
  };
 
  template <int32_t iKernel = defaultKernel, typename... Args>
  GPUd() static void Thread(int32_t, int32_t, int32_t, int32_t, GPUSharedMemory&, processorType&, uint8_t = 0, int8_t = 0, int8_t = 0, uint = 0, Args...);
 
 private:
  static GPUd() int32_t padOffset(int32_t, int32_t);
  static GPUd() int32_t rowOffset(int32_t, int32_t);
  static GPUd() bool isBoundary(int32_t, int32_t, int32_t, int32_t, int32_t, int32_t);
  static GPUd() bool isBoundaryPublish(int32_t, int32_t, float&, float&);
};
 
} // namespace o2::gpu
 
#endif