Logistic.cpp

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/*
 * Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved
 *
 * 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.
 */
 
#include "Builders.h"
#include "kernels/Utils.h"
#include "PALLogistic.h"
#include "SISOKernel.h"
 
namespace luci_interpreter
{
 
void configure_kernel_CircleLogistic(const circle::Operator *cur_op,
                                     BaseRuntimeGraph *runtime_graph)
{
  kernels::SISOKernel kernel(cur_op, runtime_graph);
 
  LUCI_INTERPRETER_CHECK(Tensor::element_type(kernel.input()) ==
                         Tensor::element_type(kernel.output()))
 
#ifndef DIS_QUANT
  if (Tensor::element_type(kernel.input()) == DataType::U8)
  {
    LUCI_INTERPRETER_CHECK(Tensor::scale(kernel.output()) == 1. / 256);
  }
#endif // DIS_QUANT
}
 
void execute_kernel_CircleLogistic(const circle::Operator *cur_op, BaseRuntimeGraph *runtime_graph)
{
  kernels::SISOKernel kernel(cur_op, runtime_graph);
 
  const auto input = kernel.input();
  const auto output = kernel.output();
 
  bool is_inplace = runtime_graph->is_inplace_op(cur_op);
 
  const uint8_t *input_data = runtime_graph->getDataByTensor(input);
  uint8_t *output_data = runtime_graph->getDataByTensor(output);
 
  if (is_inplace)
  {
    output_data = const_cast<uint8_t *>(input_data);
  }
 
  assert(input_data != nullptr);
  assert(output_data != nullptr);
 
  const int flat_size = kernels::getTensorRuntimeShape(input, runtime_graph).flatSize();
 
  switch (Tensor::element_type(input))
  {
#ifndef DIS_FLOAT
    case DataType::FLOAT32:
      luci_interpreter_pal::Logistic(flat_size, kernels::getTensorData<float>(input_data),
                                     kernels::getTensorData<float>(output_data));
      break;
#endif // DIS_FLOAT
#ifndef DIS_QUANT
    case DataType::S8:
      luci_interpreter_pal::Logistic(flat_size, kernels::getTensorData<int8_t>(input_data),
                                     Tensor::scale(input), Tensor::zero_point(input),
                                     kernels::getTensorData<int8_t>(output_data),
                                     Tensor::scale(output), Tensor::zero_point(output));
      break;
#endif // DIS_QUANT
    default:
      assert(false && "Unsupported type.");
  }
 
  if (is_inplace)
  {
    runtime_graph->makeInplaceOperation(input, output);
  }
}
 
} // namespace luci_interpreter