skip if same quantization

llm/ggml.go

@@ -45,12 +45,12 @@ func (kv KV) ParameterCount() uint64 {
 	return kv.u64("general.parameter_count")
 }
 
-func (kv KV) FileType() string {
+func (kv KV) FileType() fileType {
 	if u64 := kv.u64("general.file_type"); u64 > 0 {
-		return fileType(uint32(u64)).String()
+		return fileType(uint32(u64))
 	}
 
-	return "unknown"
+	return fileTypeUnknown
 }
 
 func (kv KV) BlockCount() uint64 {

server/images.go

@@ -370,17 +370,16 @@ func CreateModel(ctx context.Context, name, modelFileDir, quantization string, m
 					baseLayer.MediaType == "application/vnd.ollama.image.model" &&
 					baseLayer.GGML != nil &&
 					baseLayer.GGML.Name() == "gguf" {
-					ftype, err := llm.ParseFileType(quantization)
+					want, err := llm.ParseFileType(quantization)
 					if err != nil {
 						return err
 					}
 
-					filetype := baseLayer.GGML.KV().FileType()
-					if !slices.Contains([]string{"F16", "F32"}, filetype) {
+					ft := baseLayer.GGML.KV().FileType()
+					if !slices.Contains([]string{"F16", "F32"}, ft.String()) {
 						return errors.New("quantization is only supported for F16 and F32 models")
-					}
-
-					fn(api.ProgressResponse{Status: fmt.Sprintf("quantizing %s model to %s", filetype, quantization)})
+					} else if want != ft {
+						fn(api.ProgressResponse{Status: fmt.Sprintf("quantizing %s model to %s", ft, quantization)})
 
 						blob, err := GetBlobsPath(baseLayer.Digest)
 						if err != nil {
@@ -394,7 +393,7 @@ func CreateModel(ctx context.Context, name, modelFileDir, quantization string, m
 						defer temp.Close()
 						defer os.Remove(temp.Name())
 
-					if err := llm.Quantize(blob, temp.Name(), ftype); err != nil {
+						if err := llm.Quantize(blob, temp.Name(), want); err != nil {
 							return err
 						}
 
@@ -403,12 +402,13 @@ func CreateModel(ctx context.Context, name, modelFileDir, quantization string, m
 							return err
 						}
 					}
+				}
 
 				if baseLayer.GGML != nil {
 					config.ModelFormat = cmp.Or(config.ModelFormat, baseLayer.GGML.Name())
 					config.ModelFamily = cmp.Or(config.ModelFamily, baseLayer.GGML.KV().Architecture())
 					config.ModelType = cmp.Or(config.ModelType, format.HumanNumber(baseLayer.GGML.KV().ParameterCount()))
-					config.FileType = cmp.Or(config.FileType, baseLayer.GGML.KV().FileType())
+					config.FileType = cmp.Or(config.FileType, baseLayer.GGML.KV().FileType().String())
 					config.ModelFamilies = append(config.ModelFamilies, baseLayer.GGML.KV().Architecture())
 				}