ParallelParamsBp.h

Go to the documentation of this file.

/*
Copyright (C) 2024 Scott Grauer-Gray
 
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
 
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
*/
 
#ifndef BP_PARALLEL_PARAMS_H
#define BP_PARALLEL_PARAMS_H
 
#include <array>
#include <vector>
#include <thread>
#include <iostream>
#include <cmath>
#include <string>
#include "RunSettingsParams/ParallelParams.h"
#include "RunSettingsParams/RunSettings.h"
#include "RunEval/RunData.h"
#include "BpRunProcessing/BpConstsEnumsAliases.h"
 
namespace beliefprop {
  //constant strings for headers and text related to parallel processing
  constexpr std::string_view kBlurImagesPDimsHeader{"Blur Images Parallel Dimensions"};
  constexpr std::string_view kInitMValsPDimsHeader{"Init Message Values Parallel Dimensions"};
  constexpr std::string_view kDataCostsPDimsHeader{"Data Costs Parallel Dimensions"};
  constexpr std::string_view kBpItersPDimsHeader{"BP Thread Parallel Dimensions"};
  constexpr std::string_view kCopyToNextLevelPDimsHeader{"Copy Thread Parallel Dimensions"};
  constexpr std::string_view kCompOutputDispPDimsHeader{"Get Output Disparity Parallel Dimensions"};
  constexpr std::string_view kLevelText{"Level"};
};
 
class ParallelParamsBp final : public ParallelParams {
public:
  explicit ParallelParamsBp(
    run_environment::OptParallelParamsSetting opt_parallel_params_setting,
    unsigned int num_levels,
    const std::array<unsigned int, 2>& default_parallel_dims);
 
  void SetParallelDims(
    const std::array<unsigned int, 2>& parallel_dims) override;
 
  void AddTestResultsForParallelParams(
    const std::array<unsigned int, 2>& p_params_curr_run,
    const RunData& curr_run_data);
 
  void SetOptimizedParams() override;
 
  std::array<unsigned int, 2> OptParamsForKernel(
    const std::array<unsigned int, 2>& kernel_location) const override
  {
    return parallel_dims_each_kernel_[kernel_location[0]][kernel_location[1]];
  }
 
  RunData AsRunData() const override;
 
private:
  const run_environment::OptParallelParamsSetting opt_parallel_params_setting_;
  
  const unsigned int num_levels_;
 
  std::array<std::vector<std::array<unsigned int, 2>>, beliefprop::kNumKernels>
  parallel_dims_each_kernel_;
  
  std::array<std::vector<std::map<std::array<unsigned int, 2>, double>>,
             (beliefprop::kNumKernels + 1)>
  p_params_to_run_time_each_kernel_;
};
 
#endif //BP_PARALLEL_PARAMS_H