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

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3.0 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 <cassert>
#include <cstring>
#include <iostream>
#include <unordered_map>
#include <vector>
#include "NvInfer.h"
#include "paddle/fluid/inference/tensorrt/plugin/serialize.h"
namespace paddle {
namespace inference {
namespace tensorrt {
class PluginTensorRT : public nvinfer1::IPluginExt {
public:
PluginTensorRT() {}
PluginTensorRT(const void* serialized_data, size_t length) {}
nvinfer1::Dims const& getInputDims(int index) const {
return input_dims_.at(index);
}
size_t getMaxBatchSize() const { return max_batch_size_; }
nvinfer1::DataType getDataType() const { return data_type_; }
nvinfer1::PluginFormat getDataFormat() const { return data_format_; }
virtual const char* getPluginVersion() const { return "1"; }
size_t getWorkspaceSize(int) const override { return 0; }
void terminate() override {}
virtual ~PluginTensorRT() {}
// Check format support. The default is FLOAT32 and NCHW.
bool supportsFormat(nvinfer1::DataType type,
nvinfer1::PluginFormat format) const override;
void configureWithFormat(const nvinfer1::Dims* inputDims, int nbInputs,
const nvinfer1::Dims* outputDims, int nbOutputs,
nvinfer1::DataType type,
nvinfer1::PluginFormat format,
int maxBatchSize) override;
// *NOTE* The following functions need to be overrided in the subclass.
virtual nvinfer1::IPluginExt* clone() const = 0;
virtual const char* getPluginType() const = 0;
// Initialize the layer for execution. This is called when the engine is
// created.
int initialize() override { return 0; }
// Serialize the layer config to buffer.
virtual void serialize(void* buffer) = 0;
virtual size_t getSerializationSize() = 0;
virtual int enqueue(int batchSize, const void* const* inputs, void** outputs,
void* workspace, cudaStream_t stream) = 0;
protected:
// Deserialize input_dims, max_batch_size, data_type, data_format
void deserializeBase(void const*& serialData, size_t& serialLength);
size_t getBaseSerializationSize();
// Serialize input_dims, max_batch_size, data_type, data_format
void serializeBase(void*& buffer);
std::vector<nvinfer1::Dims> input_dims_;
size_t max_batch_size_;
nvinfer1::DataType data_type_;
nvinfer1::PluginFormat data_format_;
};
} // namespace tensorrt
} // namespace inference
} // namespace paddle