generic ggml.array

This commit is contained in:
Michael Yang
2025-04-23 11:22:06 -07:00
committed by Michael Yang
parent 214a7678ea
commit 5d0279164c
2 changed files with 104 additions and 127 deletions

View File

@@ -36,10 +36,6 @@ type containerGGUF struct {
maxArraySize int
}
func (c *containerGGUF) canCollectArray(size int) bool {
return c.maxArraySize < 0 || size <= c.maxArraySize
}
func (c *containerGGUF) Name() string {
return "gguf"
}
@@ -295,6 +291,23 @@ func readGGUFV1String(llm *gguf, r io.Reader) (string, error) {
return b.String(), nil
}
func readGGUFV1StringsData(llm *gguf, r io.Reader, a *array[string]) (any, error) {
for i := range a.size {
if a.values != nil {
e, err := readGGUFV1String(llm, r)
if err != nil {
return nil, err
}
a.values[i] = e
} else {
discardGGUFString(llm, r)
}
}
return a, nil
}
func discardGGUFString(llm *gguf, r io.Reader) error {
buf := llm.scratch[:8]
_, err := io.ReadFull(r, buf)
@@ -352,78 +365,44 @@ func writeGGUFString(w io.Writer, s string) error {
return err
}
type array struct {
size int
values []any
}
func (a *array) MarshalJSON() ([]byte, error) {
return json.Marshal(a.values)
}
func readGGUFV1Array(llm *gguf, r io.Reader) (*array, error) {
t, err := readGGUF[uint32](llm, r)
if err != nil {
return nil, err
}
n, err := readGGUF[uint32](llm, r)
if err != nil {
return nil, err
}
a := &array{size: int(n)}
if llm.canCollectArray(int(n)) {
a.values = make([]any, 0, int(n))
}
for i := range n {
var e any
switch t {
case ggufTypeUint8:
e, err = readGGUF[uint8](llm, r)
case ggufTypeInt8:
e, err = readGGUF[int8](llm, r)
case ggufTypeUint16:
e, err = readGGUF[uint16](llm, r)
case ggufTypeInt16:
e, err = readGGUF[int16](llm, r)
case ggufTypeUint32:
e, err = readGGUF[uint32](llm, r)
case ggufTypeInt32:
e, err = readGGUF[int32](llm, r)
case ggufTypeUint64:
e, err = readGGUF[uint64](llm, r)
case ggufTypeInt64:
e, err = readGGUF[int64](llm, r)
case ggufTypeFloat32:
e, err = readGGUF[float32](llm, r)
case ggufTypeFloat64:
e, err = readGGUF[float64](llm, r)
case ggufTypeBool:
e, err = readGGUF[bool](llm, r)
case ggufTypeString:
e, err = readGGUFV1String(llm, r)
default:
return nil, fmt.Errorf("invalid array type: %d", t)
}
if err != nil {
return nil, err
}
func readGGUFStringsData(llm *gguf, r io.Reader, a *array[string]) (any, error) {
for i := range a.size {
if a.values != nil {
e, err := readGGUFString(llm, r)
if err != nil {
return nil, err
}
a.values[i] = e
} else {
discardGGUFString(llm, r)
}
}
return a, nil
}
func readGGUFArray(llm *gguf, r io.Reader) (*array, error) {
if llm.Version == 1 {
return readGGUFV1Array(llm, r)
}
type array[T any] struct {
// size is the actual size of the array
size int
// values is the array of values. this is nil if the array is larger than configured maxSize
values []T
}
func (a *array[T]) MarshalJSON() ([]byte, error) {
return json.Marshal(a.values)
}
func newArray[T any](size, maxSize int) *array[T] {
a := array[T]{size: size}
if maxSize < 0 || size <= maxSize {
a.values = make([]T, size)
}
return &a
}
func readGGUFArray(llm *gguf, r io.Reader) (any, error) {
t, err := readGGUF[uint32](llm, r)
if err != nil {
return nil, err
@@ -434,45 +413,55 @@ func readGGUFArray(llm *gguf, r io.Reader) (*array, error) {
return nil, err
}
a := &array{size: int(n)}
if llm.canCollectArray(int(n)) {
a.values = make([]any, int(n))
}
for i := range n {
var e any
switch t {
case ggufTypeUint8:
e, err = readGGUF[uint8](llm, r)
case ggufTypeInt8:
e, err = readGGUF[int8](llm, r)
case ggufTypeUint16:
e, err = readGGUF[uint16](llm, r)
case ggufTypeInt16:
e, err = readGGUF[int16](llm, r)
case ggufTypeUint32:
e, err = readGGUF[uint32](llm, r)
case ggufTypeInt32:
e, err = readGGUF[int32](llm, r)
case ggufTypeUint64:
e, err = readGGUF[uint64](llm, r)
case ggufTypeInt64:
e, err = readGGUF[int64](llm, r)
case ggufTypeFloat32:
e, err = readGGUF[float32](llm, r)
case ggufTypeFloat64:
e, err = readGGUF[float64](llm, r)
case ggufTypeBool:
e, err = readGGUF[bool](llm, r)
case ggufTypeString:
if a.values != nil {
e, err = readGGUFString(llm, r)
} else {
err = discardGGUFString(llm, r)
}
default:
return nil, fmt.Errorf("invalid array type: %d", t)
switch t {
case ggufTypeUint8:
a := newArray[uint8](int(n), llm.maxArraySize)
return readGGUFArrayData(llm, r, a)
case ggufTypeInt8:
a := newArray[int8](int(n), llm.maxArraySize)
return readGGUFArrayData(llm, r, a)
case ggufTypeUint16:
a := newArray[uint16](int(n), llm.maxArraySize)
return readGGUFArrayData(llm, r, a)
case ggufTypeInt16:
a := newArray[int16](int(n), llm.maxArraySize)
return readGGUFArrayData(llm, r, a)
case ggufTypeUint32:
a := newArray[uint32](int(n), llm.maxArraySize)
return readGGUFArrayData(llm, r, a)
case ggufTypeInt32:
a := newArray[int32](int(n), llm.maxArraySize)
return readGGUFArrayData(llm, r, a)
case ggufTypeUint64:
a := newArray[uint64](int(n), llm.maxArraySize)
return readGGUFArrayData(llm, r, a)
case ggufTypeInt64:
a := newArray[int64](int(n), llm.maxArraySize)
return readGGUFArrayData(llm, r, a)
case ggufTypeFloat32:
a := newArray[float32](int(n), llm.maxArraySize)
return readGGUFArrayData(llm, r, a)
case ggufTypeFloat64:
a := newArray[float64](int(n), llm.maxArraySize)
return readGGUFArrayData(llm, r, a)
case ggufTypeBool:
a := newArray[bool](int(n), llm.maxArraySize)
return readGGUFArrayData(llm, r, a)
case ggufTypeString:
a := newArray[string](int(n), llm.maxArraySize)
if llm.Version == 1 {
return readGGUFV1StringsData(llm, r, a)
}
return readGGUFStringsData(llm, r, a)
default:
return nil, fmt.Errorf("invalid array type: %d", t)
}
}
func readGGUFArrayData[T any](llm *gguf, r io.Reader, a *array[T]) (any, error) {
for i := range a.size {
e, err := readGGUF[T](llm, r)
if err != nil {
return nil, err
}