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ollama source for Momentry Core verification

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Accusys
2026-05-22 17:19:10 +08:00
commit 0b31ff9135
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fs/ggml/type.go Normal file
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package ggml
import (
"fmt"
"log/slog"
"strings"
)
// FileType is the Go equivalent to llama_ftype used for gguf file typing
type FileType uint32
const (
FileTypeF32 FileType = iota
FileTypeF16
fileTypeQ4_0
fileTypeQ4_1
fileTypeMXFP4 // originally fileTypeQ4_1_F16 // unused by GGML
fileTypeQ4_2 // unused by GGML
fileTypeQ4_3 // unused by GGML
FileTypeQ8_0
fileTypeQ5_0
fileTypeQ5_1
fileTypeQ2_K
fileTypeQ3_K_S
fileTypeQ3_K_M
fileTypeQ3_K_L
FileTypeQ4_K_S
FileTypeQ4_K_M
fileTypeQ5_K_S
fileTypeQ5_K_M
fileTypeQ6_K
fileTypeIQ2_XXS
fileTypeIQ2_XS
fileTypeQ2_K_S
fileTypeIQ3_XS
fileTypeIQ3_XXS
fileTypeIQ1_S
fileTypeIQ4_NL
fileTypeIQ3_S
fileTypeIQ3_M
fileTypeIQ2_S
fileTypeIQ2_M
fileTypeIQ4_XS
fileTypeIQ1_M
FileTypeBF16
fileTypeQ4_0_4_4 // unused by GGML
fileTypeQ4_0_4_8 // unused by GGML
fileTypeQ4_0_8_8 // unused by GGML
fileTypeTQ1_0
fileTypeTQ2_0
FileTypeUnknown = 1024
)
// ParseFileType parses the provided GGUF file type
// Only Ollama supported types are considered valid
func ParseFileType(s string) (FileType, error) {
switch s {
case "F32":
return FileTypeF32, nil
case "F16":
return FileTypeF16, nil
case "Q8_0":
return FileTypeQ8_0, nil
case "Q4_K_S":
return FileTypeQ4_K_S, nil
case "Q4_K_M", "Q4_K":
return FileTypeQ4_K_M, nil
case "BF16":
return FileTypeBF16, nil
default:
supportedFileTypes := []FileType{
FileTypeF32,
FileTypeF16,
FileTypeQ4_K_S,
FileTypeQ4_K_M,
FileTypeQ8_0,
// fsggml.FileTypeBF16, // TODO
}
strs := make([]string, len(supportedFileTypes))
for i := range supportedFileTypes {
strs[i] = supportedFileTypes[i].String()
}
return FileTypeUnknown, fmt.Errorf("unsupported quantization type %s - supported types are %s", s, strings.Join(strs, ", "))
}
}
func (t FileType) String() string {
// Note: this routine will return a broader set of file types for existing models
switch t {
case FileTypeF32:
return "F32"
case FileTypeF16:
return "F16"
case fileTypeQ4_0:
return "Q4_0"
case fileTypeQ4_1:
return "Q4_1"
case fileTypeMXFP4:
return "MXFP4"
case FileTypeQ8_0:
return "Q8_0"
case fileTypeQ5_0:
return "Q5_0"
case fileTypeQ5_1:
return "Q5_1"
case fileTypeQ2_K:
return "Q2_K"
case fileTypeQ3_K_S:
return "Q3_K_S"
case fileTypeQ3_K_M:
return "Q3_K_M"
case fileTypeQ3_K_L:
return "Q3_K_L"
case FileTypeQ4_K_S:
return "Q4_K_S"
case FileTypeQ4_K_M:
return "Q4_K_M"
case fileTypeQ5_K_S:
return "Q5_K_S"
case fileTypeQ5_K_M:
return "Q5_K_M"
case fileTypeQ6_K:
return "Q6_K"
case fileTypeQ2_K_S:
return "Q2_K_S"
case FileTypeBF16:
return "BF16"
default:
return "unknown"
}
}
func (t FileType) Value() uint32 {
return uint32(t)
}
func (ftype FileType) ToTensorType() TensorType {
switch ftype {
case FileTypeF32:
return TensorTypeF32
case FileTypeF16:
return TensorTypeF16
case fileTypeQ4_0:
return TensorTypeQ4_0
case fileTypeQ4_1:
return TensorTypeQ4_1
case FileTypeQ8_0:
return TensorTypeQ8_0
case fileTypeQ5_0:
return TensorTypeQ5_0
case fileTypeQ5_1:
return TensorTypeQ5_1
case fileTypeQ2_K:
return TensorTypeQ2_K
case fileTypeQ3_K_S:
return TensorTypeQ3_K
case fileTypeQ3_K_M:
return TensorTypeQ3_K
case fileTypeQ3_K_L:
return TensorTypeQ3_K
case FileTypeQ4_K_S:
return TensorTypeQ4_K
case FileTypeQ4_K_M:
return TensorTypeQ4_K
case fileTypeQ5_K_S:
return TensorTypeQ5_K
case fileTypeQ5_K_M:
return TensorTypeQ5_K
case fileTypeQ6_K:
return TensorTypeQ6_K
case fileTypeQ2_K_S:
return TensorTypeQ2_K
case FileTypeBF16:
return TensorTypeBF16
case fileTypeMXFP4:
return TensorTypeMXFP4
default:
slog.Warn("unsupported file type", "type", ftype)
return 0 // F32
}
}
// TensorType is equivalent to ggml_type for individual tensor types
// Note: these are not the same as FileType
type TensorType uint32
const (
TensorTypeF32 TensorType = iota
TensorTypeF16
TensorTypeQ4_0
TensorTypeQ4_1
tensorTypeQ4_2
tensorTypeQ4_3 // unused by GGML
TensorTypeQ5_0
TensorTypeQ5_1
TensorTypeQ8_0
TensorTypeQ8_1
TensorTypeQ2_K
TensorTypeQ3_K
TensorTypeQ4_K
TensorTypeQ5_K
TensorTypeQ6_K
TensorTypeQ8_K
tensorTypeIQ2_XXS // not supported by ollama
tensorTypeIQ2_XS // not supported by ollama
tensorTypeIQ3_XXS // not supported by ollama
tensorTypeIQ1_S // not supported by ollama
tensorTypeIQ4_NL // not supported by ollama
tensorTypeIQ3_S // not supported by ollama
tensorTypeIQ2_S // not supported by ollama
tensorTypeIQ4_XS // not supported by ollama
TensorTypeI8
TensorTypeI16
TensorTypeI32
TensorTypeI64
TensorTypeF64
tensorTypeIQ1_M // not supported by ollama
TensorTypeBF16
tensorTypeQ4_0_4_4 // unused by GGML
tensorTypeQ4_0_4_8 // unused by GGML
tensorTypeQ4_0_8_8 // unused by GGML
tensorTypeTQ1_0 // not supported by ollama
tensorTypeTQ2_0 // not supported by ollama
tensorTypeIQ4_NL_4_4 // unused by GGML
tensorTypeIQ4_NL_4_8 // unused by GGML
tensorTypeIQ4_NL_8_8 // unused by GGML
TensorTypeMXFP4
)
// ParseTensorType parses the provided GGUF tensor type
// Only Ollama supported types are considered valid
func ParseTensorType(s string) (TensorType, error) {
switch s {
case "F32":
return TensorTypeF32, nil
case "F16":
return TensorTypeF16, nil
case "Q4_0":
return TensorTypeQ4_0, nil
case "Q4_1":
return TensorTypeQ4_1, nil
case "Q5_0":
return TensorTypeQ5_0, nil
case "Q5_1":
return TensorTypeQ5_1, nil
case "Q8_0":
return TensorTypeQ8_0, nil
case "Q8_1":
return TensorTypeQ8_1, nil
case "Q2_K":
return TensorTypeQ2_K, nil
case "Q3_K":
return TensorTypeQ3_K, nil
case "Q4_K":
return TensorTypeQ4_K, nil
case "Q5_K":
return TensorTypeQ5_K, nil
case "Q6_K":
return TensorTypeQ6_K, nil
case "Q8_K":
return TensorTypeQ8_K, nil
case "F64":
return TensorTypeF64, nil
case "BF16":
return TensorTypeBF16, nil
case "MXFP4":
return TensorTypeMXFP4, nil
default:
return 0, fmt.Errorf("unsupported quantization type %s", s)
}
}
func (t TensorType) IsQuantized() bool {
switch t {
case TensorTypeF32, TensorTypeF16, TensorTypeBF16:
return false
default:
return true
}
}
func (t TensorType) RowSize(ne uint64) uint64 {
return t.TypeSize() * ne / t.BlockSize()
}
func (t TensorType) String() string {
switch t {
case TensorTypeF32:
return "F32"
case TensorTypeF16:
return "F16"
case TensorTypeQ4_0:
return "Q4_0"
case TensorTypeQ4_1:
return "Q4_1"
case TensorTypeQ5_0:
return "Q5_0"
case TensorTypeQ5_1:
return "Q5_1"
case TensorTypeQ8_0:
return "Q8_0"
case TensorTypeQ8_1:
return "Q8_1"
case TensorTypeQ2_K:
return "Q2_K"
case TensorTypeQ3_K:
return "Q3_K"
case TensorTypeQ4_K:
return "Q4_K"
case TensorTypeQ5_K:
return "Q5_K"
case TensorTypeQ6_K:
return "Q6_K"
case TensorTypeQ8_K:
return "Q8_K"
case TensorTypeF64:
return "F64"
case TensorTypeBF16:
return "BF16"
case 4, TensorTypeMXFP4:
return "MXFP4"
default:
return "unknown"
}
}