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Paddle/paddle/fluid/inference/tensorrt/plugin/split_op_plugin.h

136 lines
4.6 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.
#pragma once
#include <thrust/device_vector.h>
#include <utility>
#include <vector>
#include "paddle/fluid/inference/tensorrt/plugin/trt_plugin.h"
namespace paddle {
namespace inference {
namespace tensorrt {
namespace plugin {
class SplitPlugin : public PluginTensorRT {
public:
SplitPlugin() {}
SplitPlugin(int axis, std::vector<int> const& output_lengths)
: axis_(axis), same_shape_(true), output_length_(output_lengths) {}
SplitPlugin(void const* serial_data, size_t serial_length) {
deserializeBase(serial_data, serial_length);
DeserializeValue(&serial_data, &serial_length, &axis_);
DeserializeValue(&serial_data, &serial_length, &output_length_);
}
SplitPlugin* clone() const override {
return new SplitPlugin(axis_, output_length_);
}
const char* getPluginType() const override { return "split_plugin"; }
int getNbOutputs() const override { return output_length_.size(); }
nvinfer1::Dims getOutputDimensions(int index,
const nvinfer1::Dims* input_dims,
int num_inputs) override;
int initialize() override;
int enqueue(int batchSize, const void* const* inputs, void** outputs,
void* workspace, cudaStream_t stream) override;
protected:
size_t getSerializationSize() override {
return SerializedSize(getPluginType()) + SerializedSize(axis_) +
SerializedSize(output_length_) + getBaseSerializationSize();
}
void serialize(void* buffer) override {
SerializeValue(&buffer, getPluginType());
serializeBase(buffer);
SerializeValue(&buffer, axis_);
SerializeValue(&buffer, output_length_);
}
int axis_;
int outer_rows_;
int inner_cols_;
int axis_shape_;
bool same_shape_;
std::vector<int> output_length_;
std::vector<int> segment_offsets_;
thrust::device_vector<int> d_segment_offsets_;
thrust::device_vector<float*> d_output_ptrs_;
};
#if IS_TRT_VERSION_GE(6000)
class SplitPluginDynamic : public DynamicPluginTensorRT {
public:
SplitPluginDynamic(int axis, std::vector<int> const& output_lengths)
: axis_(axis), output_length_(output_lengths) {}
SplitPluginDynamic(void const* serial_data, size_t serial_length) {}
nvinfer1::IPluginV2DynamicExt* clone() const override {
return new SplitPluginDynamic(axis_, output_length_);
}
const char* getPluginType() const override { return "split_plugin"; }
int getNbOutputs() const override { return output_length_.size(); }
int initialize() override;
size_t getSerializationSize() const override;
void serialize(void* buffer) const override;
nvinfer1::DimsExprs getOutputDimensions(
int outputIndex, const nvinfer1::DimsExprs* inputs, int nbInputs,
nvinfer1::IExprBuilder& exprBuilder) override;
bool supportsFormatCombination(int pos,
const nvinfer1::PluginTensorDesc* inOut,
int nbInputs, int nbOutputs) override;
void configurePlugin(const nvinfer1::DynamicPluginTensorDesc* in,
int nbInputs,
const nvinfer1::DynamicPluginTensorDesc* out,
int nbOutputs) override {}
size_t getWorkspaceSize(const nvinfer1::PluginTensorDesc* inputs,
int nbInputs,
const nvinfer1::PluginTensorDesc* outputs,
int nbOutputs) const override {
return 0;
}
int enqueue(const nvinfer1::PluginTensorDesc* inputDesc,
const nvinfer1::PluginTensorDesc* outputDesc,
const void* const* inputs, void* const* outputs, void* workspace,
cudaStream_t stream) override;
nvinfer1::DataType getOutputDataType(int index,
const nvinfer1::DataType* inputTypes,
int nbInputs) const override;
void destroy() override { delete this; }
private:
int axis_;
std::vector<int> output_length_;
};
#endif
} // namespace plugin
} // namespace tensorrt
} // namespace inference
} // namespace paddle