C++ additional_buffer_smart_ptr类代码示例

		void dropout_layer_updater_plain::test(
			const_additional_buffer_smart_ptr input_buffer,
			additional_buffer_smart_ptr output_buffer,
			std::vector<additional_buffer_smart_ptr>& additional_buffers,
			plain_running_configuration_const_smart_ptr plain_config,
			const_layer_smart_ptr layer_schema,
			const_layer_data_smart_ptr data,
			const_layer_data_custom_smart_ptr data_custom,
			const layer_configuration_specific& input_configuration_specific,
			const layer_configuration_specific& output_configuration_specific,
			unsigned int updater_count,
			unsigned int offset_input_entry_id,
			bool force_deterministic) const
		{
			if (offset_input_entry_id > 0)
				throw neural_network_exception("dropout_layer_updater_plain is not able to run using offset");

			if (force_deterministic)
			{
				memcpy(&(output_buffer->at(0)), &(input_buffer->at(0)), input_configuration_specific.get_neuron_count() * updater_count * sizeof(float));
			}
			else
			{
				const std::vector<float>::const_iterator in_it_global = input_buffer->begin();
				const std::vector<float>::iterator out_it_global = output_buffer->begin();
				unsigned char * keep_elem_ptr = reinterpret_cast<unsigned char *>(&(additional_buffers[0]->at(0)));

				nnforge_shared_ptr<const dropout_layer> layer_derived = nnforge_dynamic_pointer_cast<const dropout_layer>(layer_schema);
				const float dropout_rate = layer_derived->dropout_rate;
				const float keep_rate = 1.0F - dropout_rate;
				const float mult = 1.0F / keep_rate;

				const int total_workload = input_configuration_specific.get_neuron_count() * updater_count;

				nnforge_uniform_real_distribution<float> dist(0.0F, 1.0F);

				for(int i = 0; i < total_workload; ++i)
					keep_elem_ptr[i] = (dist(gen) <= keep_rate ? (unsigned char)1 : (unsigned char)0);

				#pragma omp parallel default(none) num_threads(plain_config->openmp_thread_count) shared(keep_elem_ptr)
				{
					#pragma omp for schedule(guided)
					for(int workload_id = 0; workload_id < total_workload; ++workload_id)
					{
						int elem_id = workload_id;
						*(out_it_global + elem_id) = *(in_it_global + elem_id) * (keep_elem_ptr[elem_id] ? mult : 0.0F);
					}
				}
			}
		}

		void hyperbolic_tangent_layer_updater_plain::test(
			const_additional_buffer_smart_ptr input_buffer,
			additional_buffer_smart_ptr output_buffer,
			std::vector<additional_buffer_smart_ptr>& additional_buffers,
			plain_running_configuration_const_smart_ptr plain_config,
			const_layer_smart_ptr layer_schema,
			const_layer_data_smart_ptr data,
			const_layer_data_custom_smart_ptr data_custom,
			const layer_configuration_specific& input_configuration_specific,
			const layer_configuration_specific& output_configuration_specific,
			unsigned int updater_count,
			unsigned int offset_input_entry_id) const
		{
			if (offset_input_entry_id > 0)
				throw neural_network_exception("hyperbolic_tangent_layer_updater_plain is not able to run using offset");

			const int elem_count = static_cast<int>(updater_count * input_configuration_specific.get_neuron_count());
			const std::vector<float>::const_iterator in_it = input_buffer->begin();
			const std::vector<float>::iterator out_it = output_buffer->begin();

			nnforge_shared_ptr<const hyperbolic_tangent_layer> layer_derived = nnforge_dynamic_pointer_cast<const hyperbolic_tangent_layer>(layer_schema);
			const float hyperbolic_tangent_steepness2 = layer_derived->steepness * 2.0F;
			const float hyperbolic_tangent_major_multiplier = layer_derived->major_multiplier;

			#pragma omp parallel for default(none) schedule(guided) num_threads(plain_config->openmp_thread_count)
			for(int i = 0; i < elem_count; ++i)
			{
				float inp = *(in_it + i);
				float inp2 = expf(inp * hyperbolic_tangent_steepness2);
				float res = (inp2 - 1.0F) / (inp2 + 1.0F) * hyperbolic_tangent_major_multiplier;
				*(out_it + i) = res;
			}
		}

		void hyperbolic_tangent_layer_updater_plain::backprop(
			additional_buffer_smart_ptr input_errors,
			const_additional_buffer_smart_ptr input_neurons,
			const_additional_buffer_smart_ptr output_errors,
			const_additional_buffer_smart_ptr output_neurons,
			std::vector<additional_buffer_smart_ptr>& additional_buffers,
			plain_running_configuration_const_smart_ptr plain_config,
			const_layer_smart_ptr layer_schema,
			const_layer_data_smart_ptr data,
			const_layer_data_custom_smart_ptr data_custom,
			const layer_configuration_specific& input_configuration_specific,
			const layer_configuration_specific& output_configuration_specific,
			unsigned int updater_count) const
		{
			const int elem_count = static_cast<int>(updater_count * input_configuration_specific.get_neuron_count());
			const std::vector<float>::iterator in_err_it = input_errors->begin();
			const std::vector<float>::const_iterator out_it = output_neurons->begin();

			nnforge_shared_ptr<const hyperbolic_tangent_layer> layer_derived = nnforge_dynamic_pointer_cast<const hyperbolic_tangent_layer>(layer_schema);
			const float hyperbolic_tangent_major_multiplier_reverse = 1.0F / layer_derived->major_multiplier;
			const float hyperbolic_tangent_steepness3 = layer_derived->steepness * layer_derived->major_multiplier;
			#pragma omp parallel for default(none) schedule(guided) num_threads(plain_config->openmp_thread_count)
			for(int i = 0; i < elem_count; ++i)
			{
				float out_neuron = *(out_it + i);
				float normalized_value = out_neuron * hyperbolic_tangent_major_multiplier_reverse;
				float der1st = hyperbolic_tangent_steepness3 * (1.0F - (normalized_value * normalized_value));
				*(in_err_it + i) *= der1st;
			}
		}

		void sigmoid_layer_updater_plain::test(
			const_additional_buffer_smart_ptr input_buffer,
			additional_buffer_smart_ptr output_buffer,
			std::vector<additional_buffer_smart_ptr>& additional_buffers,
			plain_running_configuration_const_smart_ptr plain_config,
			const_layer_smart_ptr layer_schema,
			const layer_data_list& data,
			const layer_configuration_specific& input_configuration_specific,
			const layer_configuration_specific& output_configuration_specific,
			unsigned int updater_count,
			int offset_input_entry_id) const
		{
			if (offset_input_entry_id >= 0)
				throw neural_network_exception("sigmoid_layer_updater_plain is not able to run using the same input");

			const int elem_count = static_cast<int>(updater_count * input_configuration_specific.get_neuron_count());
			const std::vector<float>::const_iterator in_it = input_buffer->begin();
			const std::vector<float>::iterator out_it = output_buffer->begin();

			#pragma omp parallel for default(none) schedule(guided) num_threads(plain_config->openmp_thread_count)
			for(int i = 0; i < elem_count; ++i)
			{
				float inp = *(in_it + i);
				float res = 1.0F / (expf(-inp) + 1.0F);
				*(out_it + i) = res;
			}
		}

		void soft_rectified_linear_layer_updater_plain::backprop(
			additional_buffer_smart_ptr input_errors,
			const_additional_buffer_smart_ptr input_neurons,
			const_additional_buffer_smart_ptr output_errors,
			const_additional_buffer_smart_ptr output_neurons,
			std::vector<additional_buffer_smart_ptr>& additional_buffers,
			plain_running_configuration_const_smart_ptr plain_config,
			const_layer_smart_ptr layer_schema,
			const_layer_data_smart_ptr data,
			const_layer_data_custom_smart_ptr data_custom,
			const layer_configuration_specific& input_configuration_specific,
			const layer_configuration_specific& output_configuration_specific,
			unsigned int updater_count) const
		{
			const int elem_count = static_cast<int>(updater_count * input_configuration_specific.get_neuron_count());
			const std::vector<float>::iterator in_err_it = input_errors->begin();
			const std::vector<float>::const_iterator out_it = output_neurons->begin();

			#pragma omp parallel for default(none) schedule(guided) num_threads(plain_config->openmp_thread_count)
			for(int i = 0; i < elem_count; ++i)
			{
				float out_neuron = *(out_it + i);
				float val = expf(out_neuron);
				float der1st = (val - 1.0F) / val;
				*(in_err_it + i) *= der1st;
			}
		}

		void softmax_layer_hessian_plain::test(
			const_additional_buffer_smart_ptr input_buffer,
			additional_buffer_smart_ptr output_buffer,
			std::vector<additional_buffer_smart_ptr>& additional_buffers,
			plain_running_configuration_const_smart_ptr plain_config,
			const_layer_smart_ptr layer_schema,
			const_layer_data_smart_ptr data,
			const_layer_data_custom_smart_ptr data_custom,
			const layer_configuration_specific& input_configuration_specific,
			const layer_configuration_specific& output_configuration_specific,
			unsigned int entry_count) const
		{
			const unsigned int input_neuron_count = input_configuration_specific.get_neuron_count();
			const unsigned int input_neuron_count_per_feature_map = input_configuration_specific.get_neuron_count_per_feature_map();
			const unsigned int feature_map_count = static_cast<unsigned int>(input_configuration_specific.feature_map_count);

			const std::vector<float>::const_iterator input_buffer_it = input_buffer->begin();
			const std::vector<float>::iterator output_buffer_it = output_buffer->begin();

			const int total_workload = entry_count * input_neuron_count_per_feature_map;
			const int openmp_thread_count = plain_config->openmp_thread_count;
			
			#pragma omp parallel default(none) shared(additional_buffers) num_threads(openmp_thread_count)
			{
				int thread_id = 0;
				#ifdef _OPENMP
				thread_id = omp_get_thread_num();
				#endif

				std::vector<float>& local_additional_buffer = *(additional_buffers[thread_id]);

				#pragma omp for schedule(guided)
				for(int workload_id = 0; workload_id < total_workload; ++workload_id)
				{
					int entry_id = workload_id / input_neuron_count_per_feature_map;
					int neuron_id = workload_id - (entry_id * input_neuron_count_per_feature_map);

					const std::vector<float>::const_iterator in_it = input_buffer_it + (entry_id * input_neuron_count) + neuron_id;
					const std::vector<float>::iterator out_it = output_buffer_it + (entry_id * input_neuron_count) + neuron_id;

					float max_val = -1.0e+37F;
					for(unsigned int feature_map_id = 0; feature_map_id < feature_map_count; ++feature_map_id)
					{
						float val = *(in_it + (feature_map_id * input_neuron_count_per_feature_map));
						max_val = std::max(max_val, val);
					}

					float sum = 0.0F;
					for(unsigned int feature_map_id = 0; feature_map_id < feature_map_count; ++feature_map_id)
					{
						float val = expf((*(in_it + (feature_map_id * input_neuron_count_per_feature_map))) - max_val);
						sum += val;
						local_additional_buffer[feature_map_id] = val;
					}
					float mult = 1.0F / sum;
					for(unsigned int feature_map_id = 0; feature_map_id < feature_map_count; ++feature_map_id)
						*(out_it + (feature_map_id * input_neuron_count_per_feature_map)) = local_additional_buffer[feature_map_id] * mult;
				} // for(int workload_id
			} // #pragma parallel
		}

		void absolute_layer_updater_plain::backprop(
			additional_buffer_smart_ptr input_errors,
			const_additional_buffer_smart_ptr input_neurons,
			const_additional_buffer_smart_ptr output_errors,
			const_additional_buffer_smart_ptr output_neurons,
			std::vector<additional_buffer_smart_ptr>& additional_buffers,
			plain_running_configuration_const_smart_ptr plain_config,
			const_layer_smart_ptr layer_schema,
			const_layer_data_smart_ptr data,
			const layer_configuration_specific& input_configuration_specific,
			const layer_configuration_specific& output_configuration_specific,
			unsigned int updater_count) const
		{
			const int elem_count = static_cast<int>(updater_count * input_configuration_specific.get_neuron_count());
			const std::vector<float>::const_iterator in_it = input_neurons->begin();
			const std::vector<float>::iterator in_err_it = input_errors->begin();

			#pragma omp parallel for default(none) schedule(guided) num_threads(plain_config->openmp_thread_count)
			for(int i = 0; i < elem_count; ++i)
			{
				float val = *(in_it + i);
				if (val < 0.0F)
				{
					*(in_err_it + i) = - *(in_err_it + i);
				}
			}
		}

		void absolute_layer_updater_plain::test(
			const_additional_buffer_smart_ptr input_buffer,
			additional_buffer_smart_ptr output_buffer,
			std::vector<additional_buffer_smart_ptr>& additional_buffers,
			plain_running_configuration_const_smart_ptr plain_config,
			const_layer_smart_ptr layer_schema,
			const_layer_data_smart_ptr data,
			const_layer_data_custom_smart_ptr data_custom,
			const layer_configuration_specific& input_configuration_specific,
			const layer_configuration_specific& output_configuration_specific,
			unsigned int updater_count,
			unsigned int offset_input_entry_id,
			bool force_deterministic) const
		{
			if (offset_input_entry_id > 0)
				throw neural_network_exception("absolute_layer_updater_plain is not able to run using offset");

			const int elem_count = static_cast<int>(updater_count * input_configuration_specific.get_neuron_count());
			const std::vector<float>::const_iterator in_it = input_buffer->begin();
			const std::vector<float>::iterator out_it = output_buffer->begin();

			#pragma omp parallel for default(none) schedule(guided) num_threads(plain_config->openmp_thread_count)
			for(int i = 0; i < elem_count; ++i)
				*(out_it + i) = fabs(*(in_it + i));
		}

		void softmax_layer_hessian_plain::backprop(
			additional_buffer_smart_ptr input_errors,
			const_additional_buffer_smart_ptr output_errors,
			const_additional_buffer_smart_ptr output_neurons,
			std::vector<additional_buffer_smart_ptr>& additional_buffers,
			plain_running_configuration_const_smart_ptr plain_config,
			const_layer_smart_ptr layer_schema,
			const_layer_data_smart_ptr data,
			const_layer_data_custom_smart_ptr data_custom,
			const layer_configuration_specific& input_configuration_specific,
			const layer_configuration_specific& output_configuration_specific,
			unsigned int entry_count) const
		{
			const unsigned int input_neuron_count = input_configuration_specific.get_neuron_count();
			const unsigned int input_neuron_count_per_feature_map = input_configuration_specific.get_neuron_count_per_feature_map();
			const unsigned int feature_map_count = static_cast<unsigned int>(input_configuration_specific.feature_map_count);

			const std::vector<float>::iterator input_errors_it = input_errors->begin();
			const std::vector<float>::const_iterator output_errors_it = output_errors->begin();
			const std::vector<float>::const_iterator output_neurons_it = output_neurons->begin();

			const int total_workload = entry_count * input_neuron_count_per_feature_map;
			const int openmp_thread_count = plain_config->openmp_thread_count;
			
			#pragma omp parallel default(none) shared(additional_buffers) num_threads(openmp_thread_count)
			{
				int thread_id = 0;
				#ifdef _OPENMP
				thread_id = omp_get_thread_num();
				#endif

				#pragma omp for schedule(guided)
				for(int workload_id = 0; workload_id < total_workload; ++workload_id)
				{
					int entry_id = workload_id / input_neuron_count_per_feature_map;
					int neuron_id = workload_id - (entry_id * input_neuron_count_per_feature_map);

					const std::vector<float>::iterator in_errors_it = input_errors_it + (entry_id * input_neuron_count) + neuron_id;
					const std::vector<float>::const_iterator out_errors_it = output_errors_it + (entry_id * input_neuron_count) + neuron_id;
					const std::vector<float>::const_iterator out_neurons_it = output_neurons_it + (entry_id * input_neuron_count) + neuron_id;

					float sum = 0.0F;
					for(unsigned int feature_map_id = 0; feature_map_id < feature_map_count; ++feature_map_id)
					{
						unsigned int offset = feature_map_id * input_neuron_count_per_feature_map;
						float val = (*(out_neurons_it + offset));
						sum += val * val * (*(out_errors_it + offset));
					}

					for(unsigned int feature_map_id = 0; feature_map_id < feature_map_count; ++feature_map_id)
					{
						unsigned int offset = feature_map_id * input_neuron_count_per_feature_map;
						float y = *(out_neurons_it + offset);
						float y2 = y * y;
						*(in_errors_it + offset) = y2 * ((*(out_errors_it + offset)) * (2.0F * (y2 - y) + 1.0F) - sum);
					}
				} // for(int workload_id
			} // #pragma parallel
		}

		void dropout_layer_updater_plain::backprop(
			additional_buffer_smart_ptr input_errors,
			const_additional_buffer_smart_ptr input_neurons,
			const_additional_buffer_smart_ptr output_errors,
			const_additional_buffer_smart_ptr output_neurons,
			std::vector<additional_buffer_smart_ptr>& additional_buffers,
			plain_running_configuration_const_smart_ptr plain_config,
			const_layer_smart_ptr layer_schema,
			const_layer_data_smart_ptr data,
			const_layer_data_custom_smart_ptr data_custom,
			const layer_configuration_specific& input_configuration_specific,
			const layer_configuration_specific& output_configuration_specific,
			unsigned int updater_count,
			bool force_deterministic) const
		{
			if (force_deterministic)
				return;

			const std::vector<float>::iterator in_err_it_global = input_errors->begin();
			unsigned char * keep_elem_ptr = reinterpret_cast<unsigned char *>(&(additional_buffers[0]->at(0)));

			nnforge_shared_ptr<const dropout_layer> layer_derived = nnforge_dynamic_pointer_cast<const dropout_layer>(layer_schema);
			const float dropout_rate = layer_derived->dropout_rate;
			const float keep_rate = 1.0F - dropout_rate;
			const float mult = 1.0F / keep_rate;

			const int total_workload = input_configuration_specific.get_neuron_count() * updater_count;

			#pragma omp parallel default(none) num_threads(plain_config->openmp_thread_count) shared(keep_elem_ptr)
			{
				#pragma omp for schedule(guided)
				for(int workload_id = 0; workload_id < total_workload; ++workload_id)
				{
					int elem_id = workload_id;
					*(in_err_it_global + elem_id) *= (keep_elem_ptr[elem_id] ? mult : 0.0F);
				}
			}
		}

		void sigmoid_layer_hessian_plain::test(
			const_additional_buffer_smart_ptr input_buffer,
			additional_buffer_smart_ptr output_buffer,
			std::vector<additional_buffer_smart_ptr>& additional_buffers,
			plain_running_configuration_const_smart_ptr plain_config,
			const_layer_smart_ptr layer_schema,
			const_layer_data_smart_ptr data,
			const layer_configuration_specific& input_configuration_specific,
			const layer_configuration_specific& output_configuration_specific,
			unsigned int entry_count) const
		{
			const int elem_count = static_cast<int>(entry_count * input_configuration_specific.get_neuron_count());
			const std::vector<float>::const_iterator in_it = input_buffer->begin();
			const std::vector<float>::iterator out_it = output_buffer->begin();

			#pragma omp parallel for default(none) schedule(guided) num_threads(plain_config->openmp_thread_count)
			for(int i = 0; i < elem_count; ++i)
			{
				float inp = *(in_it + i);
				float res = 1.0F / (expf(-inp) + 1.0F);
				*(out_it + i) = res;
			}
		}

		void max_subsampling_layer_updater_plain::backprop(
			additional_buffer_smart_ptr input_errors,
			const_additional_buffer_smart_ptr input_neurons,
			const_additional_buffer_smart_ptr output_errors,
			const_additional_buffer_smart_ptr output_neurons,
			std::vector<additional_buffer_smart_ptr>& additional_buffers,
			plain_running_configuration_const_smart_ptr plain_config,
			const_layer_smart_ptr layer_schema,
			const_layer_data_smart_ptr data,
			const_layer_data_custom_smart_ptr data_custom,
			const layer_configuration_specific& input_configuration_specific,
			const layer_configuration_specific& output_configuration_specific,
			unsigned int updater_count,
			bool force_deterministic) const
		{
			const std::vector<float>::iterator in_err_it_global = input_errors->begin();
			const std::vector<float>::const_iterator out_err_it_global = output_errors->begin();
			const std::vector<float>::const_iterator max_indexes_it_global = additional_buffers[0]->begin();

			const int total_clean_workload = updater_count * input_configuration_specific.get_neuron_count();

			#pragma omp parallel for default(none) schedule(guided) num_threads(plain_config->openmp_thread_count)
			for(int workload_id = 0; workload_id < total_clean_workload; ++workload_id)
			{
				*(in_err_it_global + workload_id) = 0.0F;
			}

			const int total_workload = updater_count * output_configuration_specific.get_neuron_count();

			#pragma omp parallel for default(none) schedule(guided) num_threads(plain_config->openmp_thread_count)
			for(int workload_id = 0; workload_id < total_workload; ++workload_id)
			{
				unsigned int max_index = *(((unsigned int *)(&(*max_indexes_it_global))) + workload_id);
				float err = *(out_err_it_global + workload_id);
				*(in_err_it_global + max_index) = err;
			}
		}

		void sigmoid_layer_hessian_plain::backprop(
			additional_buffer_smart_ptr input_errors,
			const_additional_buffer_smart_ptr output_errors,
			const_additional_buffer_smart_ptr output_neurons,
			std::vector<additional_buffer_smart_ptr>& additional_buffers,
			plain_running_configuration_const_smart_ptr plain_config,
			const_layer_smart_ptr layer_schema,
			const_layer_data_smart_ptr data,
			const layer_configuration_specific& input_configuration_specific,
			const layer_configuration_specific& output_configuration_specific,
			unsigned int entry_count) const
		{
			const int elem_count = static_cast<int>(entry_count * input_configuration_specific.get_neuron_count());
			const std::vector<float>::iterator in_err_it = input_errors->begin();
			const std::vector<float>::const_iterator out_it = output_neurons->begin();

			#pragma omp parallel for default(none) schedule(guided) num_threads(plain_config->openmp_thread_count)
			for(int i = 0; i < elem_count; ++i)
			{
				float out_neuron = *(out_it + i);
				float der1st = out_neuron * (1.0F - out_neuron);
				*(in_err_it + i) *= (der1st * der1st);
			}
		}

		void untile_layer_tester_plain::test(
			additional_buffer_smart_ptr input_buffer,
			additional_buffer_set& additional_buffers,
			plain_running_configuration_const_smart_ptr plain_config,
			const_layer_smart_ptr layer_schema,
			const_layer_data_smart_ptr data,
			const_layer_data_custom_smart_ptr data_custom,
			const layer_configuration_specific& input_configuration_specific,
			const layer_configuration_specific& output_configuration_specific,
			unsigned int entry_count) const
		{
			const std::vector<float>::const_iterator in_it_global = input_buffer->begin();
			const std::vector<float>::iterator out_it_global = additional_buffers[0]->begin();
			const unsigned int input_neuron_count = input_configuration_specific.get_neuron_count();
			const unsigned int input_neuron_count_per_feature_map = input_configuration_specific.get_neuron_count_per_feature_map();
			const unsigned int output_neuron_count = output_configuration_specific.get_neuron_count();
			const unsigned int output_neuron_count_per_feature_map = output_configuration_specific.get_neuron_count_per_feature_map();
			nnforge_shared_ptr<const untile_layer> layer_derived = nnforge_dynamic_pointer_cast<const untile_layer>(layer_schema);
			const std::vector<std::vector<unsigned int> >& upsampling_sizes_list = layer_derived->upsampling_sizes_list;
			const int total_tiling_factor = layer_derived->get_tiling_factor().get_inverse();

			if (entry_count % total_tiling_factor != 0)
				throw neural_network_exception((boost::format("untile_layer_tester_plain: entry_count (%1%) is not evenly divisible by total_tiling_factor (%2%)") % entry_count % total_tiling_factor).str());

			std::vector<int> position_list(input_neuron_count_per_feature_map);
			{
				std::vector<unsigned int> tiling_sizes(input_configuration_specific.dimension_sizes.size(), 1);
				for(int i = 0; i < upsampling_sizes_list.size(); ++i)
				{
					const std::vector<unsigned int>& upsampling_sizes = upsampling_sizes_list[i];
					for(int j = 0; j < upsampling_sizes.size(); ++j)
						tiling_sizes[j] *= upsampling_sizes[j];
				}

				std::vector<unsigned int> spatial_pos(input_configuration_specific.dimension_sizes.size(), 0);
				for(unsigned int i = 0; i < input_neuron_count_per_feature_map; ++i)
				{
					unsigned int pos = spatial_pos.back() * tiling_sizes.back();
					for(int j = static_cast<int>(spatial_pos.size() - 2); j >= 0; --j)
						pos = pos * output_configuration_specific.dimension_sizes[j] + spatial_pos[j] * tiling_sizes[j];
					position_list[i] = pos;

					for(int j = 0; j < spatial_pos.size(); ++j)
					{
						if ((++spatial_pos[j]) < input_configuration_specific.dimension_sizes[j])
							break;
						spatial_pos[j] = 0;
					}
				}
			} // position_list

			std::vector<int> offset_list(total_tiling_factor);
			{
				std::vector<std::vector<unsigned int> > positions_list;
				positions_list.push_back(std::vector<unsigned int>(output_configuration_specific.dimension_sizes.size(), 0));

				std::vector<unsigned int> total_upsampling_sizes(upsampling_sizes_list.front().size(), 1);

				for(int level = static_cast<unsigned int>(upsampling_sizes_list.size()) - 1; level >= 0; --level)
				{
					std::vector<std::vector<unsigned int> > new_positions_list;
					const std::vector<unsigned int>& upsampling_sizes = upsampling_sizes_list[level];

					unsigned int local_tiling_count = 1;
					for(std::vector<unsigned int>::const_iterator it = upsampling_sizes.begin(); it != upsampling_sizes.end(); ++it)
						local_tiling_count *= *it;

					for(std::vector<std::vector<unsigned int> >::const_iterator it = positions_list.begin(); it != positions_list.end(); ++it)
					{
						const std::vector<unsigned int>& current_positions = *it;

						std::vector<unsigned int> local_pos(upsampling_sizes.size(), 0);
						for(unsigned int i = 0; i < local_tiling_count; ++i)
						{
							std::vector<unsigned int> new_untiled_positions(current_positions);
							for(unsigned int j = 0; i < static_cast<unsigned int>(upsampling_sizes.size()); ++j)
								new_untiled_positions[j] += local_pos[j] * total_upsampling_sizes[j];

							new_positions_list.push_back(new_untiled_positions);

							for(int j = 0; j < local_pos.size(); ++j)
							{
								if ((++local_pos[j]) < upsampling_sizes[j])
									break;
								local_pos[j] = 0;
							}
						}
					}

					for(unsigned int i = 0; i < static_cast<unsigned int>(total_upsampling_sizes.size()); ++i)
						total_upsampling_sizes[i] *= upsampling_sizes[i];

					positions_list = new_positions_list;
				}

				for(int i = 0; i < total_tiling_factor; ++i)
				{
					const std::vector<unsigned int>& positions = positions_list[i];
					int pos = positions.back();
					for(int j = static_cast<int>(positions.size() - 2); j >= 0; --j)
//.........这里部分代码省略.........

		void average_subsampling_layer_hessian_plain::test(
			const_additional_buffer_smart_ptr input_buffer,
			additional_buffer_smart_ptr output_buffer,
			std::vector<additional_buffer_smart_ptr>& additional_buffers,
			plain_running_configuration_const_smart_ptr plain_config,
			const_layer_smart_ptr layer_schema,
			const_layer_data_smart_ptr data,
			const layer_configuration_specific& input_configuration_specific,
			const layer_configuration_specific& output_configuration_specific,
			unsigned int entry_count) const
		{
			const std::vector<float>::const_iterator in_it_global = input_buffer->begin();
			const std::vector<float>::iterator out_it_global = output_buffer->begin();
			const unsigned int input_neuron_count = input_configuration_specific.get_neuron_count();
			const unsigned int input_neuron_count_per_feature_map = input_configuration_specific.get_neuron_count_per_feature_map();
			const unsigned int output_neuron_count = output_configuration_specific.get_neuron_count();
			const unsigned int output_neuron_count_per_feature_map = output_configuration_specific.get_neuron_count_per_feature_map();
			std::tr1::shared_ptr<const average_subsampling_layer> layer_derived = std::tr1::dynamic_pointer_cast<const average_subsampling_layer>(layer_schema);
			const std::vector<unsigned int>& subsampling_sizes = layer_derived->subsampling_sizes;
			const unsigned int dimension_count = static_cast<unsigned int>(layer_derived->subsampling_sizes.size());
			std::vector<unsigned int> input_slices(input_configuration_specific.dimension_sizes.size());
			input_slices[0] = 1;
			for(unsigned int i = 0; i < dimension_count - 1; ++i)
				input_slices[i + 1] = input_slices[i] * input_configuration_specific.dimension_sizes[i];
			unsigned int subsampling_elem_count = 1;
			for(unsigned int i = 0; i < dimension_count; ++i)
				subsampling_elem_count *= subsampling_sizes[i];
			const unsigned int const_subsampling_elem_count = subsampling_elem_count;
			const float mult = 1.0F / static_cast<float>(subsampling_elem_count);
			const unsigned int feature_map_count = output_configuration_specific.feature_map_count;

			std::vector<unsigned int> current_local_input_position(dimension_count, 0);
			std::vector<unsigned int> offset_list(subsampling_elem_count);
			for(unsigned int i = 1; i < subsampling_elem_count; ++i)
			{
				int offset = 0;
				for(unsigned int j = 0; j < dimension_count; ++j)
				{
					offset += static_cast<int>(input_slices[j]);
					if ((++current_local_input_position[j]) < subsampling_sizes[j])
					{
						offset_list[i] = offset_list[i-1] + offset;
						break;
					}
					current_local_input_position[j] = 0;
					offset -= static_cast<int>(subsampling_sizes[j] * input_slices[j]);
				}
			}

			const int total_workload = entry_count * output_configuration_specific.feature_map_count;
			const std::vector<unsigned int>::const_iterator dimension_sizes_it = output_configuration_specific.dimension_sizes.begin();
			const std::vector<unsigned int>::const_iterator subsampling_sizes_it = subsampling_sizes.begin();
			const std::vector<unsigned int>::const_iterator input_slices_it = input_slices.begin();
			const std::vector<unsigned int>::const_iterator offset_list_it = offset_list.begin();

			#pragma omp parallel default(none) num_threads(plain_config->openmp_thread_count)
			{
				std::tr1::array<unsigned int, max_dimension_count> current_output_position;

				#pragma omp for schedule(guided)
				for(int workload_id = 0; workload_id < total_workload; ++workload_id)
				{
					int entry_id = workload_id / feature_map_count;
					int feature_map_id = workload_id - (entry_id * feature_map_count);

					std::vector<float>::const_iterator in_it_base = in_it_global + (entry_id * input_neuron_count) + (feature_map_id * input_neuron_count_per_feature_map);
					std::vector<float>::iterator out_it_base = out_it_global + (entry_id * output_neuron_count) + (feature_map_id * output_neuron_count_per_feature_map);

					std::fill_n(current_output_position.begin(), dimension_count, 0);
					for(std::vector<float>::iterator out_it = out_it_base; out_it != out_it_base + output_neuron_count_per_feature_map; ++out_it)
					{
						// Define the starting position of the first input elem
						std::vector<float>::const_iterator in_it = in_it_base;
						for(unsigned int i = 0; i < dimension_count; ++i)
							in_it += current_output_position[i] * (*(subsampling_sizes_it + i)) * (*(input_slices_it + i));

						float sum = 0.0F;
						for(unsigned int i = 0; i < const_subsampling_elem_count; ++i)
						{
							sum += *(in_it + (*(offset_list_it + i)));
						}
						*out_it = sum * mult;

						// Go to the next output element
						for(unsigned int i = 0; i < dimension_count; ++i)
						{
							if ((++current_output_position[i]) < *( dimension_sizes_it + i))
								break;
							current_output_position[i] = 0;
						}
					}
				}
			}
		}