chimera_gpu_classical.hpp

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//    Copyright 2023 Jij Inc.
 
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
 
//        http://www.apache.org/licenses/LICENSE-2.0
 
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.
 
#ifndef OPENJIJ_SYSTEM_CHIMERA_GPU_CLASSICAL_HPP__
#define OPENJIJ_SYSTEM_CHIMERA_GPU_CLASSICAL_HPP__
 
#ifdef USE_CUDA
 
#include <cstddef>
 
#include "openjij/system/gpu/chimera_gpu_transverse.hpp"
#include "openjij/system/system.hpp"
 
namespace openjij {
namespace system {
 
template <typename FloatType, std::size_t rows_per_block = 2,
          std::size_t cols_per_block = 2>
struct ChimeraClassicalGPU
    : public ChimeraTransverseGPU<FloatType, rows_per_block, cols_per_block,
                                  1> {
  using system_type = classical_system;
  using Base =
      ChimeraTransverseGPU<FloatType, rows_per_block, cols_per_block, 1>;
 
  ChimeraClassicalGPU(const graph::Spins &init_spin,
                      const graph::Chimera<FloatType> &init_interaction,
                      int device_num = 0)
      : Base(init_spin, init_interaction, 1.0, 1, device_num) {}
 
  void reset_spins(const graph::Spins &init_spin) {
    Base::reset_spins(init_spin);
  }
};
 
template <std::size_t rows_per_block = 2, std::size_t cols_per_block = 2,
          typename FloatType>
ChimeraClassicalGPU<FloatType, rows_per_block, cols_per_block>
make_chimera_classical_gpu(const graph::Spins &init_spin,
                           const graph::Chimera<FloatType> &init_interaction,
                           int device_num = 0) {
  return ChimeraClassicalGPU<FloatType, rows_per_block, cols_per_block>(
      init_spin, init_interaction, device_num);
}
 
} // namespace system
} // namespace openjij
 
#endif
#endif