forked from jiuyuan/InfiniTensor
52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
#pragma once
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#include "core/operator.h"
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namespace infini {
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/**
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* @brief Split a tensor into multiple ones.
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*
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*/
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class SplitObj : public OperatorObj {
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int dim, num; // split dim;Average split num or outputs size
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vector<int> ratio; // output dim ratio
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public:
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/**
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* @brief Construct a new Split object.
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*
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* @param graph The computation graph that this operator belongs to.
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* @param input The input tensor.
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* @param outputs The output tensors after splitting.
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* @param dim The dimension to split.
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* @param num The number of output tensors. The input tensor is split into
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* `num` evenly chunk along dimension `dim. The last chunk will be smaller
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* if the input tensor cannot be evenly split.
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*/
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SplitObj(GraphObj *graph, Tensor input, std::optional<TensorVec> outputs,
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int dim, int num);
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/**
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* @brief Construct a new Split object.
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*
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* @param graph The computation graph that this operator belongs to.
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* @param input The input tensor.
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* @param outputs The output tensors after splitting.
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* @param dim The dimension to split.
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* @param ratio The size of dimension `dim` for the output tensors after
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* splitting.
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*/
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SplitObj(GraphObj *graph, Tensor input, std::optional<TensorVec> outputs,
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int dim, const vector<int> &ratio);
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OP_CLONE(SplitObj);
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optional<vector<Shape>> inferShape(const TensorVec &inputs) const override;
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std::string toString() const override;
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int numInputs() const override { return 1; }
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int numOutputs() const override { return num; }
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int getDim() const { return dim; }
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private:
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vector<int> getWorkloadVector() const override;
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vector<int> getOpAttrVector() const override;
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};
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} // namespace infini
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