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graphengine/ge/host_kernels/identity_kernel.cc

66 lines
2.3 KiB

/**
* Copyright 2020 Huawei Technologies Co., Ltd
*
* 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 "identity_kernel.h"
#include "inc/kernel_factory.h"
#include "framework/common/types.h"
namespace {
constexpr uint32_t kInputDescIndex = 0;
constexpr uint32_t kOutputDescIndex = 0;
} // namespace
namespace ge {
Status IdentityKernel::Compute(const ge::OpDescPtr op_desc, const std::vector<ge::ConstGeTensorPtr> &input,
std::vector<ge::GeTensorPtr> &v_output) {
if (op_desc == nullptr) {
GELOGE(PARAM_INVALID, "IdentityKernel op_desc is null.");
return NOT_CHANGED;
}
if (input.empty()) {
GELOGE(PARAM_INVALID, "Node [%s] inputs is empty.", op_desc->GetName().c_str());
return NOT_CHANGED;
}
if (op_desc->GetOutputsSize() < 1) {
GELOGE(PARAM_INVALID, "Node [%s] output is empty.", op_desc->GetName().c_str());
return NOT_CHANGED;
}
GELOGD("IdentityKernel in: node[%s]", op_desc->GetName().c_str());
auto out_tensor_desc = op_desc->GetOutputDesc(kOutputDescIndex);
GeTensorPtr output_ptr = MakeShared<ge::GeTensor>(out_tensor_desc);
if (output_ptr == nullptr) {
GELOGE(OUT_OF_MEMORY, "Node [%s] make shared failed.", op_desc->GetName().c_str());
return OUT_OF_MEMORY;
}
auto input_tensor_ptr = input.at(kInputDescIndex);
if (input_tensor_ptr == nullptr) {
GELOGE(PARAM_INVALID, "Node [%s] get input failed.", op_desc->GetName().c_str());
return NOT_CHANGED;
}
if (output_ptr->SetData(input_tensor_ptr->GetData()) != GRAPH_SUCCESS) {
GELOGW("Compute: SetData failed");
return NOT_CHANGED;
}
v_output.emplace_back(output_ptr);
GELOGD("IdentityKernel success: node[%s]", op_desc->GetName().c_str());
return SUCCESS;
}
REGISTER_KERNEL(IDENTITY, IdentityKernel);
REGISTER_KERNEL(PLACEHOLDERWITHDEFAULT, IdentityKernel);
} // namespace ge