fix: LR range 1e-5 to 2e-4 matching Colab

train_hf_jobs.py

@@ -417,7 +417,7 @@ def main():
                 r               = trial.suggest_categorical("r",              [8, 16, 32])
                 lora_alpha      = r * 2
                 lora_dropout    = trial.suggest_categorical("lora_dropout",   [0.0, 0.05, 0.1])
-                lr              = trial.suggest_float("learning_rate",        5e-5, 5e-4, log=True)
+                lr              = trial.suggest_float("learning_rate",        1e-5, 2e-4, log=True)
                 modules_key     = trial.suggest_categorical("target_modules", ["minimal", "attention", "full"])
                 warmup_steps    = trial.suggest_categorical("warmup_steps",   [0, 25, 50])
                 weight_decay    = trial.suggest_categorical("weight_decay",   [0.0, 0.01, 0.1])