add kto to webui

src/llamafactory/webui/components/train.py

@@ -184,14 +184,25 @@ def create_train_tab(engine: "Engine") -> Dict[str, "Component"]:
 
     with gr.Accordion(open=False) as rlhf_tab:
         with gr.Row():
-            dpo_beta = gr.Slider(minimum=0, maximum=1, value=0.1, step=0.01)
-            dpo_ftx = gr.Slider(minimum=0, maximum=10, value=0, step=0.01)
-            orpo_beta = gr.Slider(minimum=0, maximum=1, value=0.1, step=0.01)
+            pref_beta = gr.Slider(minimum=0, maximum=1, value=0.1, step=0.01)
+            pref_ftx = gr.Slider(minimum=0, maximum=10, value=0, step=0.01)
+            pref_loss = gr.Dropdown(choices=["sigmoid", "hinge", "ipo", "kto_pair"], value="sigmoid")
             reward_model = gr.Dropdown(multiselect=True, allow_custom_value=True)
+            with gr.Column():
+                ppo_score_norm = gr.Checkbox()
+                ppo_whiten_rewards = gr.Checkbox()
 
-    input_elems.update({dpo_beta, dpo_ftx, orpo_beta, reward_model})
+    input_elems.update({pref_beta, pref_ftx, pref_loss, reward_model, ppo_score_norm, ppo_whiten_rewards})
     elem_dict.update(
-        dict(rlhf_tab=rlhf_tab, dpo_beta=dpo_beta, dpo_ftx=dpo_ftx, orpo_beta=orpo_beta, reward_model=reward_model)
+        dict(
+            rlhf_tab=rlhf_tab,
+            pref_beta=pref_beta,
+            pref_ftx=pref_ftx,
+            pref_loss=pref_loss,
+            reward_model=reward_model,
+            ppo_score_norm=ppo_score_norm,
+            ppo_whiten_rewards=ppo_whiten_rewards,
+        )
     )
 
     with gr.Accordion(open=False) as galore_tab:

src/llamafactory/webui/locales.py

@@ -774,52 +774,52 @@ LOCALES = {
             "label": "RLHF 参数设置",
         },
     },
-    "dpo_beta": {
+    "pref_beta": {
         "en": {
-            "label": "DPO beta",
-            "info": "Value of the beta parameter in the DPO loss.",
+            "label": "Beta value",
+            "info": "Value of the beta parameter in the loss.",
         },
         "ru": {
-            "label": "DPO бета",
-            "info": "Значение параметра бета в функции потерь DPO.",
+            "label": "Бета значение",
+            "info": "Значение параметра бета в функции потерь.",
         },
         "zh": {
-            "label": "DPO beta 参数",
-            "info": "DPO 损失函数中 beta 超参数大小。",
+            "label": "Beta 参数",
+            "info": "损失函数中 beta 超参数大小。",
         },
     },
-    "dpo_ftx": {
+    "pref_ftx": {
         "en": {
-            "label": "DPO-ftx weight",
-            "info": "The weight of SFT loss in the DPO-ftx.",
+            "label": "Ftx gamma",
+            "info": "The weight of SFT loss in the final loss.",
         },
         "ru": {
-            "label": "Вес DPO-ftx",
-            "info": "Вес функции потерь SFT в DPO-ftx.",
+            "label": "Ftx гамма",
+            "info": "Вес потери SFT в итоговой потере.",
         },
         "zh": {
-            "label": "DPO-ftx 权重",
-            "info": "DPO-ftx 中 SFT 损失的权重大小。",
+            "label": "Ftx gamma",
+            "info": "损失函数中 SFT 损失的权重大小。",
         },
     },
-    "orpo_beta": {
+    "pref_loss": {
         "en": {
-            "label": "ORPO beta",
-            "info": "Value of the beta parameter in the ORPO loss.",
+            "label": "Loss type",
+            "info": "The type of the loss function.",
         },
         "ru": {
-            "label": "ORPO бета",
-            "info": "Значение параметра бета в функции потерь ORPO.",
+            "label": "Тип потерь",
+            "info": "Тип функции потерь.",
         },
         "zh": {
-            "label": "ORPO beta 参数",
-            "info": "ORPO 损失函数中 beta 超参数大小。",
+            "label": "损失类型",
+            "info": "损失函数的类型。",
         },
     },
     "reward_model": {
         "en": {
             "label": "Reward model",
-            "info": "Adapter of the reward model for PPO training.",
+            "info": "Adapter of the reward model in PPO training.",
         },
         "ru": {
             "label": "Модель вознаграждения",
@@ -830,6 +830,34 @@ LOCALES = {
             "info": "PPO 训练中奖励模型的适配器路径。",
         },
     },
+    "ppo_score_norm": {
+        "en": {
+            "label": "Score norm",
+            "info": "Normalizing scores in PPO training.",
+        },
+        "ru": {
+            "label": "Норма оценок",
+            "info": "Нормализация оценок в тренировке PPO.",
+        },
+        "zh": {
+            "label": "奖励模型",
+            "info": "PPO 训练中归一化奖励分数。",
+        },
+    },
+    "ppo_whiten_rewards": {
+        "en": {
+            "label": "Whiten rewards",
+            "info": "Whiten the rewards in PPO training.",
+        },
+        "ru": {
+            "label": "Белые вознаграждения",
+            "info": "Осветлите вознаграждения в обучении PPO.",
+        },
+        "zh": {
+            "label": "白化奖励",
+            "info": "PPO 训练中将奖励分数做白化处理。",
+        },
+    },
     "galore_tab": {
         "en": {
             "label": "GaLore configurations",

src/llamafactory/webui/runner.py

@@ -145,11 +145,14 @@ class Runner:
             plot_loss=True,
         )
 
+        # freeze config
         if args["finetuning_type"] == "freeze":
             args["freeze_trainable_layers"] = get("train.freeze_trainable_layers")
             args["freeze_trainable_modules"] = get("train.freeze_trainable_modules")
             args["freeze_extra_modules"] = get("train.freeze_extra_modules") or None
-        elif args["finetuning_type"] == "lora":
+
+        # lora config
+        if args["finetuning_type"] == "lora":
             args["lora_rank"] = get("train.lora_rank")
             args["lora_alpha"] = get("train.lora_alpha")
             args["lora_dropout"] = get("train.lora_dropout")
@@ -163,6 +166,7 @@ class Runner:
             if args["use_llama_pro"]:
                 args["num_layer_trainable"] = get("train.num_layer_trainable")
 
+        # rlhf config
         if args["stage"] == "ppo":
             args["reward_model"] = ",".join(
                 [
@@ -171,31 +175,41 @@ class Runner:
                 ]
             )
             args["reward_model_type"] = "lora" if args["finetuning_type"] == "lora" else "full"
+            args["ppo_score_norm"] = get("train.ppo_score_norm")
+            args["ppo_whiten_rewards"] = get("train.ppo_whiten_rewards")
+            args["top_k"] = 0
+            args["top_p"] = 0.9
         elif args["stage"] == "dpo":
-            args["dpo_beta"] = get("train.dpo_beta")
-            args["dpo_ftx"] = get("train.dpo_ftx")
+            args["dpo_beta"] = get("train.pref_beta")
+            args["dpo_ftx"] = get("train.pref_ftx")
+            args["dpo_loss"] = get("train.pref_loss")
+        elif args["stage"] == "kto":
+            args["kto_beta"] = get("train.pref_beta")
+            args["kto_ftx"] = get("train.pref_ftx")
         elif args["stage"] == "orpo":
-            args["orpo_beta"] = get("train.orpo_beta")
-
-        if get("train.val_size") > 1e-6 and args["stage"] != "ppo":
-            args["val_size"] = get("train.val_size")
-            args["evaluation_strategy"] = "steps"
-            args["eval_steps"] = args["save_steps"]
-            args["per_device_eval_batch_size"] = args["per_device_train_batch_size"]
-            args["load_best_model_at_end"] = args["stage"] not in ["rm", "ppo"]
+            args["orpo_beta"] = get("train.pref_beta")
 
+        # galore config
         if args["use_galore"]:
             args["galore_rank"] = get("train.galore_rank")
             args["galore_update_interval"] = get("train.galore_update_interval")
             args["galore_scale"] = get("train.galore_scale")
             args["galore_target"] = get("train.galore_target")
 
+        # badam config
         if args["use_badam"]:
             args["badam_mode"] = get("train.badam_mode")
             args["badam_switch_mode"] = get("train.badam_switch_mode")
             args["badam_switch_interval"] = get("train.badam_switch_interval")
             args["badam_update_ratio"] = get("train.badam_update_ratio")
 
+        # eval config
+        if get("train.val_size") > 1e-6 and args["stage"] != "ppo":
+            args["val_size"] = get("train.val_size")
+            args["evaluation_strategy"] = "steps"
+            args["eval_steps"] = args["save_steps"]
+            args["per_device_eval_batch_size"] = args["per_device_train_batch_size"]
+
         return args
 
     def _parse_eval_args(self, data: Dict["Component", Any]) -> Dict[str, Any]: