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34 changes: 33 additions & 1 deletion extension/llm/export/config/llm_config.py
Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@
import re
from dataclasses import dataclass, field
from enum import Enum
from typing import ClassVar, List, Optional
from typing import ClassVar, Dict, List, Optional


################################################################################
Expand Down Expand Up @@ -320,6 +320,37 @@ class DebugConfig:
verbose: bool = False


################################################################################
############################## MultimethodLoraConfig ###########################
################################################################################


@dataclass
class MultimethodLoraConfig:
"""Configuration for exporting multiple methods to a single .pte file.

Maps method names to optional LoRA configurations. A None value means
the method uses base model weights.

Attributes:
methods: Dict mapping method names to optional LoRA configs.
Empty dict disables multimethod export.

Example:
MultimethodLoraConfig(methods={
"forward": None, # base model
"lora_forward": lora_config, # LoRA variant
})
"""

methods: Dict[str, Optional[LoraConfig]] = field(default_factory=dict)

@property
def enabled(self) -> bool:
"""Returns True if multimethod export is configured."""
return len(self.methods) > 0


################################################################################
############################# QuantizationConfig ###############################
################################################################################
Expand Down Expand Up @@ -564,6 +595,7 @@ class LlmConfig:
model: ModelConfig = field(default_factory=ModelConfig)
export: ExportConfig = field(default_factory=ExportConfig)
debug: DebugConfig = field(default_factory=DebugConfig)
multimethod: MultimethodLoraConfig = field(default_factory=MultimethodLoraConfig)
quantization: QuantizationConfig = field(default_factory=QuantizationConfig)
backend: BackendConfig = field(default_factory=BackendConfig)

Expand Down
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