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baseparam_marshaling.go
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/
baseparam_marshaling.go
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// Copyright 2021 spaGO Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package nn
import (
"bytes"
"encoding/gob"
"fmt"
"github.com/nlpodyssey/spago/mat"
)
// init registers the param implementation with the gob subsystem - so that it knows how to encode and decode
// values of type nn.Param
func init() {
gob.Register(&BaseParam{})
}
type baseParamForMarshaling struct {
Name string
PType ParamsType
Value mat.Matrix
Payload *Payload
RequiresGrad bool
}
// MarshalBinary marshals a param into binary form.
func (p *BaseParam) MarshalBinary() ([]byte, error) {
var buf bytes.Buffer
enc := gob.NewEncoder(&buf)
v := baseParamForMarshaling{
Name: p.name,
PType: p.pType,
Value: p.value,
Payload: p.payload,
RequiresGrad: p.requiresGrad,
}
err := enc.Encode(v)
if err != nil {
return nil, fmt.Errorf("cannot encode BaseParam: %w", err)
}
return buf.Bytes(), nil
}
// UnmarshalBinary unmarshals a param from binary form.
func (p *BaseParam) UnmarshalBinary(data []byte) error {
r := bytes.NewReader(data)
dec := gob.NewDecoder(r)
var v baseParamForMarshaling
err := dec.Decode(&v)
if err != nil {
return fmt.Errorf("cannot decode BaseParam: %w", err)
}
p.name = v.Name
p.pType = v.PType
p.value = v.Value
p.payload = v.Payload
p.requiresGrad = v.RequiresGrad
return nil
}