TensorBuilder.cc

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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 "TensorBuilder.h"
 
#include <util/logging.h>
 
#include <cassert>
 
namespace onert
{
namespace backend
{
namespace builtin
{
 
TensorBuilder::TensorBuilder(const std::shared_ptr<TensorRegistry> &tensor_reg)
  : _tensor_reg{tensor_reg}, _dynamic_tensor_mgr{new DynamicTensorManager(_tensor_reg->base_reg())},
    _static_tensor_mgr{new basic::StaticTensorManager(
      _tensor_reg->base_reg(), _dynamic_tensor_mgr.get(), ir::OperandIndexMap<ir::OperandIndex>{})}
{
  /* empty */
}
 
void TensorBuilder::registerTensorInfo(const ir::OperandIndex &ind, const ir::OperandInfo &info)
{
  _tensor_info_map.emplace(ind, info);
 
  VERBOSE_F() << "cpucommon REGISTER!! " << ind << std::endl;
  if (info.isDynamic())
  {
    _dynamic_tensor_mgr->buildTensor(ind, info);
  }
  else
  {
    _static_tensor_mgr->buildTensor(ind, info, info.isConstant());
  }
}
 
void TensorBuilder::notifyFirstUse(const ir::OperandIndex &ind)
{
  // TODO Enhance the way of checking user tensors
  if (_tensor_info_map.find(ind) == _tensor_info_map.end()) // Do not proceed for user tensors
    return;
 
  const auto &tensor_info = _tensor_info_map.at(ind);
 
  if (!nativeOwnTensorAt(ind)->is_dynamic())
  {
    const auto size = tensor_info.total_size();
    _static_tensor_mgr->claimPlan(ind, size);
  }
}
 
void TensorBuilder::notifyLastUse(const ir::OperandIndex &ind)
{
  // TODO Enhance the way of checking user tensors
  if (_tensor_info_map.find(ind) == _tensor_info_map.end()) // Do not proceed for user tensors
    return;
 
  if (!nativeOwnTensorAt(ind)->is_dynamic())
  {
    _static_tensor_mgr->releasePlan(ind);
  }
}
 
bool TensorBuilder::isRegistered(const ir::OperandIndex &ind) const
{
  // User tensors are not registered in _tensor_info_map but objects for them are exist
  // in the tensor registry.
  // TODO Enhance the way of checking user tensors
  if (_tensor_reg->getITensor(ind))
    return true;
  return _tensor_info_map.find(ind) != _tensor_info_map.end();
}
 
void TensorBuilder::allocate(void) { _static_tensor_mgr->allocateNonconsts(); }
 
DynamicTensorManager *TensorBuilder::dynamicTensorManager(void)
{
  return _dynamic_tensor_mgr.get();
}
 
basic::Tensor *TensorBuilder::nativeOwnTensorAt(const ir::OperandIndex &ind)
{
  return _tensor_reg->getNativeOwnTensor(ind);
}
 
} // namespace builtin
} // namespace backend
} // namespace onert