#ifndef CAFFE2_CORE_QTENSOR_SERIALIZATION_H_
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#define CAFFE2_CORE_QTENSOR_SERIALIZATION_H_
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#include "caffe2/core/blob_serialization.h"
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#include "caffe2/core/qtensor.h"
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namespace caffe2 {
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constexpr auto kQTensorBlobQType = "QTensor";
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template <class Context>
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class QTensorSerializer : public BlobSerializerBase {
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public:
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QTensorSerializer() : context_() {}
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~QTensorSerializer() {}
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/**
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* Serializes a Blob. Note that this blob has to contain QTensor<Context>.
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*/
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void Serialize(
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const void* pointer,
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TypeMeta typeMeta,
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const string& name,
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SerializationAcceptor acceptor) override;
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private:
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Context context_;
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};
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template <class Context>
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class QTensorDeserializer : public BlobDeserializerBase {
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public:
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void Deserialize(const BlobProto& proto, Blob* blob) override;
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void Deserialize(const QTensorProto& proto, QTensor<Context>* tensor);
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};
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template <class Context>
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void QTensorSerializer<Context>::Serialize(
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const void* pointer,
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TypeMeta typeMeta,
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const string& name,
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BlobSerializerBase::SerializationAcceptor acceptor) {
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CAFFE_ENFORCE(typeMeta.Match<QTensor<Context>>());
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const auto& qtensor = *static_cast<const QTensor<Context>*>(pointer);
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BlobProto blob_proto;
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blob_proto.set_name(name);
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blob_proto.set_type(kQTensorBlobQType);
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QTensorProto& proto = *blob_proto.mutable_qtensor();
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proto.set_name(name);
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for (int i = 0; i < qtensor.ndim(); ++i) {
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proto.add_dims(qtensor.dim32(i));
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}
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proto.set_precision(qtensor.precision());
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proto.set_scale(qtensor.scale());
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proto.set_bias(qtensor.bias());
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proto.set_is_signed(qtensor.is_signed());
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detail::CopyToProtoWithCast(
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qtensor.nbytes(), qtensor.data(), proto.mutable_data(), &this->context_);
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acceptor(name, SerializeBlobProtoAsString_EnforceCheck(blob_proto));
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}
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template <class Context>
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void QTensorDeserializer<Context>::Deserialize(
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const BlobProto& blob_proto,
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Blob* blob) {
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Deserialize(blob_proto.qtensor(), blob->GetMutable<QTensor<Context>>());
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}
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template <class Context>
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void QTensorDeserializer<Context>::Deserialize(
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const QTensorProto& proto,
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QTensor<Context>* qtensor) {
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Context context{};
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vector<int> dims;
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for (const int d : proto.dims()) {
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dims.push_back(d);
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}
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qtensor->Resize(dims);
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qtensor->SetPrecision(proto.precision());
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qtensor->SetScale(proto.scale());
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qtensor->SetBias(proto.bias());
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qtensor->SetSigned(proto.is_signed());
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detail::CopyFromProtoWithCast(
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qtensor->nbytes(), proto.data(), qtensor->mutable_data(), &context);
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}
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} // namespace caffe2
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#endif // CAFFE2_CORE_QTENSOR_SERIALIZATION_H_
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