ollama/fs/ggml/type.go
Michael Yang 58245413f4
next ollama runner (#7913)
feat: add new Ollama engine using ggml through cgo

This change introduces a new way to run pretrained models. It introduces 3 high level interfaces and a bunch of smaller helper interfaces to facilitate this.

- `model.Model` defines the interface for a model architecture. Models such as `llama` and `mllama`, which are provided as examples, can implement the model's forward propagation in the `Forward` method. This method will be called to generate completions. This interface can be found in `model/model.go`
- `ml.Backend` defines the interface for a backend tensor library, in this case `ggml`. Among other things, a Backend is responsible for loading a pretrained model into hardware (GPU, CPU, etc) and providing an interface for Models to access loaded tensors. This interface can be found in `ml/backend.go`
- `ml.Tensor` defines the interface for a tensor and tensor operations

This is the first implementation of the new engine. Follow up PRs will implement more features:

- non-greedy sampling (#8410)
- integration with Ollama and KV caching (#8301)
- more model support (#9080) with more coming soon

Co-authored-by: Bruce MacDonald <brucewmacdonald@gmail.com>
2025-02-13 16:31:21 -08:00

186 lines
3.4 KiB
Go

package ggml
import "fmt"
type fileType uint32
const (
fileTypeF32 fileType = iota
fileTypeF16
fileTypeQ4_0
fileTypeQ4_1
fileTypeQ4_1_F16
fileTypeQ4_2 // unused
fileTypeQ4_3 // unused
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
fileTypeUnknown
)
func ParseFileType(s string) (fileType, error) {
switch s {
case "F32":
return fileTypeF32, nil
case "F16":
return fileTypeF16, nil
case "Q4_0":
return fileTypeQ4_0, nil
case "Q4_1":
return fileTypeQ4_1, nil
case "Q4_1_F16":
return fileTypeQ4_1_F16, nil
case "Q8_0":
return fileTypeQ8_0, nil
case "Q5_0":
return fileTypeQ5_0, nil
case "Q5_1":
return fileTypeQ5_1, nil
case "Q2_K":
return fileTypeQ2_K, nil
case "Q3_K_S":
return fileTypeQ3_K_S, nil
case "Q3_K_M":
return fileTypeQ3_K_M, nil
case "Q3_K_L":
return fileTypeQ3_K_L, nil
case "Q4_K_S":
return fileTypeQ4_K_S, nil
case "Q4_K_M":
return fileTypeQ4_K_M, nil
case "Q5_K_S":
return fileTypeQ5_K_S, nil
case "Q5_K_M":
return fileTypeQ5_K_M, nil
case "Q6_K":
return fileTypeQ6_K, nil
case "IQ2_XXS":
return fileTypeIQ2_XXS, nil
case "IQ2_XS":
return fileTypeIQ2_XS, nil
case "Q2_K_S":
return fileTypeQ2_K_S, nil
case "IQ3_XS":
return fileTypeIQ3_XS, nil
case "IQ3_XXS":
return fileTypeIQ3_XXS, nil
case "IQ1_S":
return fileTypeIQ1_S, nil
case "IQ4_NL":
return fileTypeIQ4_NL, nil
case "IQ3_S":
return fileTypeIQ3_S, nil
case "IQ3_M":
return fileTypeIQ3_M, nil
case "IQ2_S":
return fileTypeIQ2_S, nil
case "IQ2_M":
return fileTypeIQ2_M, nil
case "IQ4_XS":
return fileTypeIQ4_XS, nil
case "IQ1_M":
return fileTypeIQ1_M, nil
case "BF16":
return fileTypeBF16, nil
default:
return fileTypeUnknown, fmt.Errorf("unknown fileType: %s", s)
}
}
func (t fileType) String() string {
switch t {
case fileTypeF32:
return "F32"
case fileTypeF16:
return "F16"
case fileTypeQ4_0:
return "Q4_0"
case fileTypeQ4_1:
return "Q4_1"
case fileTypeQ4_1_F16:
return "Q4_1_F16"
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 fileTypeIQ2_XXS:
return "IQ2_XXS"
case fileTypeIQ2_XS:
return "IQ2_XS"
case fileTypeQ2_K_S:
return "Q2_K_S"
case fileTypeIQ3_XS:
return "IQ3_XS"
case fileTypeIQ3_XXS:
return "IQ3_XXS"
case fileTypeIQ1_S:
return "IQ1_S"
case fileTypeIQ4_NL:
return "IQ4_NL"
case fileTypeIQ3_S:
return "IQ3_S"
case fileTypeIQ3_M:
return "IQ3_M"
case fileTypeIQ2_S:
return "IQ2_S"
case fileTypeIQ4_XS:
return "IQ4_XS"
case fileTypeIQ2_M:
return "IQ2_M"
case fileTypeIQ1_M:
return "IQ1_M"
case fileTypeBF16:
return "BF16"
default:
return "unknown"
}
}
func (t fileType) Value() uint32 {
return uint32(t)
}