quantize_contraction.h

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#pragma once
 
#include <nlohmann/json_fwd.hpp>
#include <string>
 
#include "sdfg/analysis/analysis.h"
#include "sdfg/builder/structured_sdfg_builder.h"
#include "sdfg/data_flow/library_node.h"
#include "sdfg/transformations/transformation.h"
 
namespace sdfg {
namespace fp_math {

enum class Rescaling {
    Exponents,
    Direct,
};

class QuantizeContraction : public transformations::Transformation {
private:
    data_flow::LibraryNode& node_;
    int bits_;
    Rescaling rescaling_;
 
public:
    explicit QuantizeContraction(data_flow::LibraryNode& node, int bits = 8, Rescaling rescaling = Rescaling::Exponents);
 
    virtual std::string name() const override;
 
    virtual bool
    can_be_applied(builder::StructuredSDFGBuilder& builder, analysis::AnalysisManager& analysis_manager) override;
 
    virtual void apply(builder::StructuredSDFGBuilder& builder, analysis::AnalysisManager& analysis_manager) override;
 
    virtual void to_json(nlohmann::json& j) const override;
 
    static QuantizeContraction from_json(builder::StructuredSDFGBuilder& builder, const nlohmann::json& j);
 
    int bits() const {
        return bits_;
    }
 
    Rescaling rescaling() const {
        return rescaling_;
    }
};
 
} // namespace fp_math
} // namespace sdfg