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

75 lines
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.
#pragma once
#include "paddle/fluid/inference/tensorrt/plugin/trt_plugin.h"
namespace paddle {
namespace inference {
namespace tensorrt {
class SplitPlugin : public PluginTensorRT {
int axis_;
std::vector<int> output_length_;
int nx_, ny_, nz_;
std::vector<int> segment_offsets_;
protected:
virtual size_t getSerializationSize() override {
return SerializedSize(axis_) + SerializedSize(output_length_) +
getBaseSerializationSize();
}
// TRT will call this func when we need to serialize the configuration of
// tensorrt.
// It should not be called by users.
virtual void serialize(void *buffer) override {
serializeBase(buffer);
SerializeValue(&buffer, axis_);
SerializeValue(&buffer, output_length_);
}
public:
SplitPlugin(int axis, std::vector<int> const &output_lengths)
: axis_(axis), output_length_(output_lengths) {
assert(axis <= nvinfer1::Dims::MAX_DIMS);
}
// It was used for tensorrt deserialization.
// It should not be called by users.
SplitPlugin(void const *serialData, size_t serialLength) {
deserializeBase(serialData, serialLength);
DeserializeValue(&serialData, &serialLength, &axis_);
DeserializeValue(&serialData, &serialLength, &output_length_);
}
SplitPlugin *clone() const override {
return new SplitPlugin(axis_, output_length_);
}
virtual const char *getPluginType() const override { return "split"; }
virtual int getNbOutputs() const override { return output_length_.size(); }
virtual nvinfer1::Dims getOutputDimensions(int index,
const nvinfer1::Dims *inputs,
int nbInputDims) override;
virtual int initialize() override;
virtual int enqueue(int batchSize, const void *const *inputs, void **outputs,
void *workspace, cudaStream_t stream) override;
};
} // tensorrt
} // inference
} // paddle