mirror of
https://github.com/mudler/LocalAI.git
synced 2024-12-25 07:11:03 +00:00
d1a123954b
* feat(guesser): add gemma2 Signed-off-by: Sertac Ozercan <sozercan@gmail.com> * update Signed-off-by: Sertac Ozercan <sozercan@gmail.com> --------- Signed-off-by: Sertac Ozercan <sozercan@gmail.com>
247 lines
8.5 KiB
Go
247 lines
8.5 KiB
Go
package config
|
||
|
||
import (
|
||
"os"
|
||
"path/filepath"
|
||
"strings"
|
||
|
||
"github.com/rs/zerolog/log"
|
||
|
||
gguf "github.com/thxcode/gguf-parser-go"
|
||
)
|
||
|
||
type familyType uint8
|
||
|
||
const (
|
||
Unknown familyType = iota
|
||
LLaMa3
|
||
CommandR
|
||
Phi3
|
||
ChatML
|
||
Mistral03
|
||
Gemma
|
||
DeepSeek2
|
||
)
|
||
|
||
type settingsConfig struct {
|
||
StopWords []string
|
||
TemplateConfig TemplateConfig
|
||
RepeatPenalty float64
|
||
}
|
||
|
||
// default settings to adopt with a given model family
|
||
var defaultsSettings map[familyType]settingsConfig = map[familyType]settingsConfig{
|
||
Gemma: {
|
||
RepeatPenalty: 1.0,
|
||
StopWords: []string{"<|im_end|>", "<end_of_turn>", "<start_of_turn>"},
|
||
TemplateConfig: TemplateConfig{
|
||
Chat: "{{.Input }}\n<start_of_turn>model\n",
|
||
ChatMessage: "<start_of_turn>{{if eq .RoleName \"assistant\" }}model{{else}}{{ .RoleName }}{{end}}\n{{ if .Content -}}\n{{.Content -}}\n{{ end -}}<end_of_turn>",
|
||
Completion: "{{.Input}}",
|
||
},
|
||
},
|
||
DeepSeek2: {
|
||
StopWords: []string{"<｜end▁of▁sentence｜>"},
|
||
TemplateConfig: TemplateConfig{
|
||
ChatMessage: `{{if eq .RoleName "user" -}}User: {{.Content }}
|
||
{{ end -}}
|
||
{{if eq .RoleName "assistant" -}}Assistant: {{.Content}}<｜end▁of▁sentence｜>{{end}}
|
||
{{if eq .RoleName "system" -}}{{.Content}}
|
||
{{end -}}`,
|
||
Chat: "{{.Input -}}\nAssistant: ",
|
||
},
|
||
},
|
||
LLaMa3: {
|
||
StopWords: []string{"<|eot_id|>"},
|
||
TemplateConfig: TemplateConfig{
|
||
Chat: "<|begin_of_text|>{{.Input }}\n<|start_header_id|>assistant<|end_header_id|>",
|
||
ChatMessage: "<|start_header_id|>{{ .RoleName }}<|end_header_id|>\n\n{{.Content }}<|eot_id|>",
|
||
},
|
||
},
|
||
CommandR: {
|
||
TemplateConfig: TemplateConfig{
|
||
Chat: "{{.Input -}}<|START_OF_TURN_TOKEN|><|CHATBOT_TOKEN|>",
|
||
Functions: `<|START_OF_TURN_TOKEN|><|SYSTEM_TOKEN|>
|
||
You are a function calling AI model, you can call the following functions:
|
||
## Available Tools
|
||
{{range .Functions}}
|
||
- {"type": "function", "function": {"name": "{{.Name}}", "description": "{{.Description}}", "parameters": {{toJson .Parameters}} }}
|
||
{{end}}
|
||
When using a tool, reply with JSON, for instance {"name": "tool_name", "arguments": {"param1": "value1", "param2": "value2"}}
|
||
<|END_OF_TURN_TOKEN|><|START_OF_TURN_TOKEN|><|CHATBOT_TOKEN|>{{.Input -}}`,
|
||
ChatMessage: `{{if eq .RoleName "user" -}}
|
||
<|START_OF_TURN_TOKEN|><|USER_TOKEN|>{{.Content}}<|END_OF_TURN_TOKEN|>
|
||
{{- else if eq .RoleName "system" -}}
|
||
<|START_OF_TURN_TOKEN|><|SYSTEM_TOKEN|>{{.Content}}<|END_OF_TURN_TOKEN|>
|
||
{{- else if eq .RoleName "assistant" -}}
|
||
<|START_OF_TURN_TOKEN|><|CHATBOT_TOKEN|>{{.Content}}<|END_OF_TURN_TOKEN|>
|
||
{{- else if eq .RoleName "tool" -}}
|
||
<|START_OF_TURN_TOKEN|><|SYSTEM_TOKEN|>{{.Content}}<|END_OF_TURN_TOKEN|>
|
||
{{- else if .FunctionCall -}}
|
||
<|START_OF_TURN_TOKEN|><|CHATBOT_TOKEN|>{{toJson .FunctionCall}}}<|END_OF_TURN_TOKEN|>
|
||
{{- end -}}`,
|
||
},
|
||
StopWords: []string{"<|END_OF_TURN_TOKEN|>"},
|
||
},
|
||
Phi3: {
|
||
TemplateConfig: TemplateConfig{
|
||
Chat: "{{.Input}}\n<|assistant|>",
|
||
ChatMessage: "<|{{ .RoleName }}|>\n{{.Content}}<|end|>",
|
||
Completion: "{{.Input}}",
|
||
},
|
||
StopWords: []string{"<|end|>", "<|endoftext|>"},
|
||
},
|
||
ChatML: {
|
||
TemplateConfig: TemplateConfig{
|
||
Chat: "{{.Input -}}\n<|im_start|>assistant",
|
||
Functions: `<|im_start|>system
|
||
You are a function calling AI model. You are provided with functions to execute. You may call one or more functions to assist with the user query. Don't make assumptions about what values to plug into functions. Here are the available tools:
|
||
{{range .Functions}}
|
||
{'type': 'function', 'function': {'name': '{{.Name}}', 'description': '{{.Description}}', 'parameters': {{toJson .Parameters}} }}
|
||
{{end}}
|
||
For each function call return a json object with function name and arguments
|
||
<|im_end|>
|
||
{{.Input -}}
|
||
<|im_start|>assistant`,
|
||
ChatMessage: `<|im_start|>{{ .RoleName }}
|
||
{{ if .FunctionCall -}}
|
||
Function call:
|
||
{{ else if eq .RoleName "tool" -}}
|
||
Function response:
|
||
{{ end -}}
|
||
{{ if .Content -}}
|
||
{{.Content }}
|
||
{{ end -}}
|
||
{{ if .FunctionCall -}}
|
||
{{toJson .FunctionCall}}
|
||
{{ end -}}<|im_end|>`,
|
||
},
|
||
StopWords: []string{"<|im_end|>", "<dummy32000>", "</s>"},
|
||
},
|
||
Mistral03: {
|
||
TemplateConfig: TemplateConfig{
|
||
Chat: "{{.Input -}}",
|
||
Functions: `[AVAILABLE_TOOLS] [{{range .Functions}}{"type": "function", "function": {"name": "{{.Name}}", "description": "{{.Description}}", "parameters": {{toJson .Parameters}} }}{{end}} ] [/AVAILABLE_TOOLS]{{.Input }}`,
|
||
ChatMessage: `{{if eq .RoleName "user" -}}
|
||
[INST] {{.Content }} [/INST]
|
||
{{- else if .FunctionCall -}}
|
||
[TOOL_CALLS] {{toJson .FunctionCall}} [/TOOL_CALLS]
|
||
{{- else if eq .RoleName "tool" -}}
|
||
[TOOL_RESULTS] {{.Content}} [/TOOL_RESULTS]
|
||
{{- else -}}
|
||
{{ .Content -}}
|
||
{{ end -}}`,
|
||
},
|
||
StopWords: []string{"<|im_end|>", "<dummy32000>", "</tool_call>", "<|eot_id|>", "<|end_of_text|>", "</s>", "[/TOOL_CALLS]", "[/ACTIONS]"},
|
||
},
|
||
}
|
||
|
||
// this maps well known template used in HF to model families defined above
|
||
var knownTemplates = map[string]familyType{
|
||
`{% if messages[0]['role'] == 'system' %}{% set system_message = messages[0]['content'] %}{% endif %}{% if system_message is defined %}{{ system_message }}{% endif %}{% for message in messages %}{% set content = message['content'] %}{% if message['role'] == 'user' %}{{ '<|im_start|>user\n' + content + '<|im_end|>\n<|im_start|>assistant\n' }}{% elif message['role'] == 'assistant' %}{{ content + '<|im_end|>' + '\n' }}{% endif %}{% endfor %}`: ChatML,
|
||
`{{ bos_token }}{% for message in messages %}{% if (message['role'] == 'user') != (loop.index0 % 2 == 0) %}{{ raise_exception('Conversation roles must alternate user/assistant/user/assistant/...') }}{% endif %}{% if message['role'] == 'user' %}{{ '[INST] ' + message['content'] + ' [/INST]' }}{% elif message['role'] == 'assistant' %}{{ message['content'] + eos_token}}{% else %}{{ raise_exception('Only user and assistant roles are supported!') }}{% endif %}{% endfor %}`: Mistral03,
|
||
}
|
||
|
||
func guessDefaultsFromFile(cfg *BackendConfig, modelPath string) {
|
||
|
||
if os.Getenv("LOCALAI_DISABLE_GUESSING") == "true" {
|
||
log.Debug().Msgf("guessDefaultsFromFile: %s", "guessing disabled with LOCALAI_DISABLE_GUESSING")
|
||
return
|
||
}
|
||
|
||
if modelPath == "" {
|
||
log.Debug().Msgf("guessDefaultsFromFile: %s", "modelPath is empty")
|
||
return
|
||
}
|
||
|
||
if cfg.HasTemplate() {
|
||
// nothing to guess here
|
||
log.Debug().Any("name", cfg.Name).Msgf("guessDefaultsFromFile: %s", "template already set")
|
||
return
|
||
}
|
||
|
||
// We try to guess only if we don't have a template defined already
|
||
f, err := gguf.ParseGGUFFile(filepath.Join(modelPath, cfg.ModelFileName()))
|
||
if err != nil {
|
||
// Only valid for gguf files
|
||
log.Debug().Msgf("guessDefaultsFromFile: %s", "not a GGUF file")
|
||
return
|
||
}
|
||
|
||
log.Debug().
|
||
Any("eosTokenID", f.Tokenizer().EOSTokenID).
|
||
Any("bosTokenID", f.Tokenizer().BOSTokenID).
|
||
Any("modelName", f.Model().Name).
|
||
Any("architecture", f.Architecture().Architecture).Msgf("Model file loaded: %s", cfg.ModelFileName())
|
||
|
||
// guess the name
|
||
if cfg.Name == "" {
|
||
cfg.Name = f.Model().Name
|
||
}
|
||
|
||
family := identifyFamily(f)
|
||
|
||
if family == Unknown {
|
||
log.Debug().Msgf("guessDefaultsFromFile: %s", "family not identified")
|
||
return
|
||
}
|
||
|
||
// identify template
|
||
settings, ok := defaultsSettings[family]
|
||
if ok {
|
||
cfg.TemplateConfig = settings.TemplateConfig
|
||
log.Debug().Any("family", family).Msgf("guessDefaultsFromFile: guessed template %+v", cfg.TemplateConfig)
|
||
if len(cfg.StopWords) == 0 {
|
||
cfg.StopWords = settings.StopWords
|
||
}
|
||
if cfg.RepeatPenalty == 0.0 {
|
||
cfg.RepeatPenalty = settings.RepeatPenalty
|
||
}
|
||
} else {
|
||
log.Debug().Any("family", family).Msgf("guessDefaultsFromFile: no template found for family")
|
||
}
|
||
}
|
||
|
||
func identifyFamily(f *gguf.GGUFFile) familyType {
|
||
|
||
// identify from well known templates first
|
||
chatTemplate, found := f.Header.MetadataKV.Get("tokenizer.chat_template")
|
||
if found && chatTemplate.ValueString() != "" {
|
||
if family, ok := knownTemplates[chatTemplate.ValueString()]; ok {
|
||
return family
|
||
}
|
||
}
|
||
|
||
// otherwise try to identify from the model properties
|
||
arch := f.Architecture().Architecture
|
||
eosTokenID := f.Tokenizer().EOSTokenID
|
||
bosTokenID := f.Tokenizer().BOSTokenID
|
||
|
||
isYI := arch == "llama" && bosTokenID == 1 && eosTokenID == 2
|
||
// WTF! Mistral0.3 and isYi have same bosTokenID and eosTokenID
|
||
|
||
llama3 := arch == "llama" && eosTokenID == 128009
|
||
commandR := arch == "command-r" && eosTokenID == 255001
|
||
qwen2 := arch == "qwen2"
|
||
phi3 := arch == "phi-3"
|
||
gemma := strings.HasPrefix(arch, "gemma") || strings.Contains(strings.ToLower(f.Model().Name), "gemma")
|
||
deepseek2 := arch == "deepseek2"
|
||
|
||
switch {
|
||
case deepseek2:
|
||
return DeepSeek2
|
||
case gemma:
|
||
return Gemma
|
||
case llama3:
|
||
return LLaMa3
|
||
case commandR:
|
||
return CommandR
|
||
case phi3:
|
||
return Phi3
|
||
case qwen2, isYI:
|
||
return ChatML
|
||
default:
|
||
return Unknown
|
||
}
|
||
}
|