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Paddle/paddle/fluid/inference/tensorrt/plugin/prelu_op_plugin.cu

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2.5 KiB

// 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 <stdio.h>
#include <cassert>
#include <vector>
#include "glog/logging.h"
#include "paddle/fluid/inference/tensorrt/plugin/prelu_op_plugin.h"
#include "paddle/fluid/operators/math/prelu.h"
namespace paddle {
namespace inference {
namespace tensorrt {
namespace plugin {
nvinfer1::Dims PReluPlugin::getOutputDimensions(int index,
const nvinfer1::Dims *inputDims,
int nbInputs) {
assert(nbInputs == 1);
assert(index < this->getNbOutputs());
nvinfer1::Dims const &input_dims = inputDims[0];
nvinfer1::Dims output_dims = input_dims;
return output_dims;
}
int PReluPlugin::enqueue(int batch_size, const void *const *inputs,
void **outputs, void *workspace, cudaStream_t stream) {
// input dims is CHW.
const auto &input_dims = this->getInputDims(0);
const float *input = reinterpret_cast<const float *>(inputs[0]);
const float *alpha = reinterpret_cast<const float *>(alpha_.get().values);
float *output = reinterpret_cast<float **>(outputs)[0];
std::vector<int> input_shape;
input_shape.push_back(batch_size);
for (int i = 0; i < input_dims.nbDims; i++) {
input_shape.push_back(input_dims.d[i]);
}
if (mode_ == "channel") {
operators::math::PreluChannelWiseDirectCUDAFunctor<float>
prelu_channel_wise;
prelu_channel_wise(stream, input, alpha, output, input_shape);
} else if (mode_ == "element") {
operators::math::PreluElementWiseDirectCUDAFunctor<float>
prelu_element_wise;
prelu_element_wise(stream, input, alpha, output, input_shape);
} else {
operators::math::PreluScalarDirectCUDAFunctor<float> prelu_scalar;
prelu_scalar(stream, input, alpha, output, input_shape);
}
return cudaGetLastError() != cudaSuccess;
}
} // namespace plugin
} // namespace tensorrt
} // namespace inference
} // namespace paddle