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Paddle/paddle/contrib/inference/paddle_inference_api_anakin...

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// Copyright (c) 2018 PaddlePaddle Authors. 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 <cuda.h>
#include "paddle/contrib/inference/paddle_inference_api_anakin_engine.h"
namespace paddle {
PaddleInferenceAnakinPredictor::PaddleInferenceAnakinPredictor(
const AnakinConfig &config) {
CHECK(Init(config));
}
bool PaddleInferenceAnakinPredictor::Init(const AnakinConfig &config) {
// TODO(Superjomn) Tell anakin to support return code.
engine_.Build(config.model_file, config.max_batch_size);
return true;
}
bool PaddleInferenceAnakinPredictor::Run(
const std::vector<PaddleTensor> &inputs,
std::vector<PaddleTensor> *output_data) {
for (const auto &input : inputs) {
if (input.dtype != PaddleDType::FLOAT32) {
LOG(ERROR) << "Only support float type inputs. " << input.name
<< "'s type is not float";
return false;
}
engine_.SetInputFromCPU(
input.name, static_cast<float *>(input.data.data), input.data.length);
}
// TODO(Superjomn) Tell anakin to support return code.
engine_.Execute();
if (output_data->empty()) {
LOG(ERROR) << "At least one output should be set with tensors' names.";
return false;
}
for (auto &output : *output_data) {
auto *tensor = engine_.GetOutputInGPU(output.name);
output.shape = tensor->shape();
// Copy data from GPU -> CPU
if (cudaMemcpy(output.data.data,
tensor->data(),
tensor->size(),
cudaMemcpyDeviceToHost) != 0) {
LOG(ERROR) << "copy data from GPU to CPU error";
return false;
}
}
return true;
}
// TODO(Superjomn) To implement latter.
std::unique_ptr<PaddlePredictor> PaddleInferenceAnakinPredictor::Clone() {
return nullptr;
}
// A factory to help create difference predictor.
template <>
std::unique_ptr<PaddlePredictor>
CreatePaddlePredictor<AnakinConfig, PaddleEngineKind::kAnakin>(
const AnakinConfig &config) {
std::unique_ptr<PaddlePredictor> x(
new PaddleInferenceAnakinPredictor(config));
return x;
};
} // namespace paddle