forked from jiuyuan/InfiniTensor
80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
#pragma once
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#include "core/operator.h"
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namespace infini {
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class GatherBaseObj : public OperatorObj {
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protected:
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int axis;
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public:
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GatherBaseObj(OpType opType, TensorVec inputs, TensorVec outputs, int axis)
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: OperatorObj(opType, inputs, outputs), axis(axis) {}
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virtual ~GatherBaseObj() {}
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int numInputs() const override { return 2; }
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int numOutputs() const override { return 1; }
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int getAxis() const { return axis; }
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};
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/**
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* @brief Gather and concatenate given positions on a certain dimension of the
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* input tensor using an index tensor.
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*
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*/
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class GatherObj : public GatherBaseObj {
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public:
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/**
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* @brief Construct a new Gather 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 indices The index tensor.
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* @param output The output tensor.
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* @param axis The axis to gather on.
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*/
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GatherObj(GraphObj *graph, Tensor input, Tensor indices, Tensor output,
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int axis);
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OP_CLONE(GatherObj);
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std::string toString() const override;
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optional<vector<Shape>> inferShape(const TensorVec &inputs) override;
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vector<DataType> inferDataType(const TensorVec &inputs) const override;
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private:
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bool CheckIndexValid() const;
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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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/**
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* @brief GatherElements takes two inputs data and indices of the
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* same rank r >= 1 and an optional attribute axis that identifies
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* an axis of data.
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*
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*/
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class GatherElementsObj : public GatherBaseObj {
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public:
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/**
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* @brief Construct a new GatherElements 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 indices The index tensor.
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* @param output The output tensor. Same shape as indices.
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* @param axis The axis to gather on.
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*/
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GatherElementsObj(GraphObj *graph, Tensor input, Tensor indices,
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Tensor output, int axis);
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OP_CLONE(GatherElementsObj);
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std::string toString() const override;
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optional<vector<Shape>> inferShape(const TensorVec &inputs) override;
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vector<DataType> inferDataType(const TensorVec &inputs) const override;
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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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