1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
#ifndef CAFFE2_CORE_QTENSOR_SERIALIZATION_H_
#define CAFFE2_CORE_QTENSOR_SERIALIZATION_H_
#include "caffe2/core/blob_serialization.h"
#include "caffe2/core/qtensor.h"
namespace caffe2 {
constexpr auto kQTensorBlobQType = "QTensor";
template <class Context>
class QTensorSerializer : public BlobSerializerBase {
public:
QTensorSerializer() : context_() {}
~QTensorSerializer() {}
/**
* Serializes a Blob. Note that this blob has to contain QTensor<Context>.
*/
void Serialize(
const void* pointer,
TypeMeta typeMeta,
const string& name,
SerializationAcceptor acceptor) override;
private:
Context context_;
};
template <class Context>
class QTensorDeserializer : public BlobDeserializerBase {
public:
void Deserialize(const BlobProto& proto, Blob* blob) override;
void Deserialize(const QTensorProto& proto, QTensor<Context>* tensor);
};
template <class Context>
void QTensorSerializer<Context>::Serialize(
const void* pointer,
TypeMeta typeMeta,
const string& name,
BlobSerializerBase::SerializationAcceptor acceptor) {
CAFFE_ENFORCE(typeMeta.Match<QTensor<Context>>());
const auto& qtensor = *static_cast<const QTensor<Context>*>(pointer);
BlobProto blob_proto;
blob_proto.set_name(name);
blob_proto.set_type(kQTensorBlobQType);
QTensorProto& proto = *blob_proto.mutable_qtensor();
proto.set_name(name);
for (const auto i : c10::irange(qtensor.ndim())) {
proto.add_dims(qtensor.dim32(i));
}
proto.set_precision(qtensor.precision());
proto.set_scale(qtensor.scale());
proto.set_bias(qtensor.bias());
proto.set_is_signed(qtensor.is_signed());
detail::CopyToProtoWithCast(
qtensor.nbytes(), qtensor.data(), proto.mutable_data(), &this->context_);
acceptor(name, SerializeBlobProtoAsString_EnforceCheck(blob_proto));
}
template <class Context>
void QTensorDeserializer<Context>::Deserialize(
const BlobProto& blob_proto,
Blob* blob) {
Deserialize(blob_proto.qtensor(), blob->GetMutable<QTensor<Context>>());
}
template <class Context>
void QTensorDeserializer<Context>::Deserialize(
const QTensorProto& proto,
QTensor<Context>* qtensor) {
Context context{};
vector<int> dims;
for (const int d : proto.dims()) {
dims.push_back(d);
}
qtensor->Resize(dims);
qtensor->SetPrecision(proto.precision());
qtensor->SetScale(proto.scale());
qtensor->SetBias(proto.bias());
qtensor->SetSigned(proto.is_signed());
detail::CopyFromProtoWithCast(
qtensor->nbytes(), proto.data(), qtensor->mutable_data(), &context);
}
} // namespace caffe2
#endif // CAFFE2_CORE_QTENSOR_SERIALIZATION_H_
|
