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