support for rslora (#1387) [skip ci]

src/axolotl/utils/config/models/input/v0_4_1/__init__.py

@@ -179,6 +179,7 @@ class LoraConfig(BaseModel):
     peft_layers_to_transform: Optional[List[int]] = None
     peft: Optional[PeftConfig] = None
     peft_use_dora: Optional[bool] = None
+    peft_use_relora: Optional[bool] = None
 
     lora_on_cpu: Optional[bool] = None
     gptq: Optional[bool] = None

src/axolotl/utils/models.py

@@ -1055,6 +1055,8 @@ def load_lora(model, cfg, inference=False, config_only=False):
         lora_config_kwargs["init_lora_weights"] = "loftq"
     if cfg.peft_use_dora:
         lora_config_kwargs["use_dora"] = cfg.peft_use_dora
+    if cfg.peft_use_rslora:
+        lora_config_kwargs["use_rslora"] = cfg.use_rslora
 
     lora_config = LoraConfig(
         r=cfg.lora_r,