From 9b4e9cc8a0311e5243d69b73ed073e7ea441982e Mon Sep 17 00:00:00 2001
From: 游雁 <zhifu.gzf@alibaba-inc.com>
Date: 星期三, 27 三月 2024 16:05:29 +0800
Subject: [PATCH] train update

---
 funasr/train_utils/trainer.py |   82 ++++++++++++++++++++++++++--------------
 1 files changed, 53 insertions(+), 29 deletions(-)

diff --git a/funasr/train_utils/trainer.py b/funasr/train_utils/trainer.py
index 56ec604..116c9e3 100644
--- a/funasr/train_utils/trainer.py
+++ b/funasr/train_utils/trainer.py
@@ -71,21 +71,19 @@
         self.use_ddp = use_ddp
         self.use_fsdp = use_fsdp
         self.device = kwargs.get('device', "cuda")
-        self.avg_nbest_model = kwargs.get("avg_nbest_model", 5)
         # self.kwargs = kwargs
         self.log_interval = kwargs.get("log_interval", 50)
         self.batch_total = 0
         self.use_fp16 = use_fp16
-        self.disable_gpu_cache = kwargs.get("disable_gpu_cache", True)
-        # scaler = GradScaler(enabled=use_fp16) if use_fp16 else None
-        # scaler = ShardedGradScaler(enabled=use_fp16) if use_fsdp else scaler
-        # self.scaler = scaler
         self.save_checkpoint_interval = kwargs.get("save_checkpoint_interval", 5000)
-        self.keep_nbest_models = kwargs.get("keep_nbest_models", -1)
+        self.validate_interval = kwargs.get("validate_interval", 5000)
+        self.keep_nbest_models = kwargs.get("keep_nbest_models", 500)
+        self.avg_keep_nbest_models_type = kwargs.get("avg_keep_nbest_models_type", "acc")
+        self.avg_nbest_model = kwargs.get("avg_nbest_model", 5)
         self.accum_grad = kwargs.get("accum_grad", 1)
         self.grad_clip = kwargs.get("grad_clip", 10.0)
         self.grad_clip_type = kwargs.get("grad_clip_type", 2.0)
-        self.validate_interval = kwargs.get("validate_interval", 5000)
+        
         
     
         try:
@@ -103,8 +101,10 @@
         self.val_loss_avg = 0.0
         self.best_acc_idx = 0
         self.saved_ckpts = {}
-        self.val_acc_list = []
         self.step_or_epoch = -1
+        self.best_step_or_epoch = ""
+        self.val_acc_step_or_eoch = {}
+        self.val_loss_step_or_eoch = {}
        
     def save_checkpoint(self, epoch,
                         step=None,
@@ -124,14 +124,17 @@
         
         if self.rank == 0:
             logging.info(f"Save checkpoint: {epoch}, rank: {self.local_rank}\n")
-            self.step_or_epoch += 1
+            # self.step_or_epoch += 1
             state = {
                 'epoch': epoch,
                 'state_dict': model.state_dict(),
                 'optimizer': optim.state_dict(),
                 'scheduler': scheduler.state_dict(),
-                "acc": self.val_acc_list,
-                "step_or_epoch": self.step_or_epoch,
+                "saved_ckpts": self.saved_ckpts,
+                "val_acc_step_or_eoch": self.val_acc_step_or_eoch,
+                "val_loss_step_or_eoch": self.val_loss_step_or_eoch,
+                "best_step_or_epoch": self.best_step_or_epoch,
+                "avg_keep_nbest_models_type": slef.avg_keep_nbest_models_type,
             }
             if hasattr(model, "module"):
                 state["state_dict"] = model.module.state_dict()
@@ -150,23 +153,37 @@
             logging.info(f'\nCheckpoint saved to {filename}\n')
             latest = Path(os.path.join(self.output_dir, f'model.pt'))
             torch.save(state, latest)
-            
-            if self.val_acc_list[self.step_or_epoch] >= self.val_acc_list[self.best_acc_idx]:
-                self.best_acc_idx = self.step_or_epoch
-                best_ckpt = Path(os.path.join(self.output_dir, f'model.pt.best'))
-                torch.save(state, best_ckpt)
-                logging.info(f"Update best acc: {self.val_acc_list[self.best_acc_idx]}, {best_ckpt}")
+            if self.best_step_or_epoch == "":
+                self.best_step_or_epoch = ckpt_name
+             
+            if self.avg_keep_nbest_models_type == "acc":
+                if self.val_acc_step_or_eoch[ckpt_name] >= self.val_acc_step_or_eoch[self.best_step_or_epoch]:
+                    self.best_step_or_epoch = ckpt_name
+                    best_ckpt = Path(os.path.join(self.output_dir, f'model.pt.best'))
+                    torch.save(state, best_ckpt)
+                    logging.info(f"Update best acc: {self.val_acc_step_or_eoch[self.best_step_or_epoch]}, {best_ckpt}")
+                else:
+                    logging.info(f"No improvement in acc: {self.val_acc_step_or_eoch[ckpt_name]} < {self.val_acc_step_or_eoch[self.best_step_or_epoch]}")
+            elif self.avg_keep_nbest_models_type == "loss":
+                if self.val_loss_step_or_eoch[ckpt_name] <= self.val_loss_step_or_eoch[self.best_step_or_epoch]:
+                    self.best_step_or_epoch = ckpt_name
+                    best_ckpt = Path(os.path.join(self.output_dir, f'model.pt.best'))
+                    torch.save(state, best_ckpt)
+                    logging.info(f"Update best loss: {self.val_loss_step_or_eoch[self.best_step_or_epoch]}, {best_ckpt}")
+                else:
+                    logging.info(f"No improvement in loss: {self.val_loss_step_or_eoch[ckpt_name]} > {self.val_loss_step_or_eoch[self.best_step_or_epoch]}")
             else:
-                logging.info(f"No improvement in acc: {self.val_acc_list[self.best_acc_idx]}")
-            
+                print("Undo")
+            self.saved_ckpts[ckpt_name] = getattr(self, f"val_{self.avg_keep_nbest_models_type}_step_or_eoch")[ckpt_name]
             if self.keep_nbest_models > 0:
-                self.saved_ckpts[ckpt_name] = self.val_acc_list[-1]
                 if len(self.saved_ckpts) > self.keep_nbest_models:
-
-                    min_key = min(self.saved_ckpts, key=self.saved_ckpts.get)
-                    if min_key in self.saved_ckpts:
-                        del self.saved_ckpts[min_key]
-                    filename = os.path.join(self.output_dir, min_key)
+                    if self.avg_keep_nbest_models_type == "acc":
+                        key = min(self.saved_ckpts, key=self.saved_ckpts.get)
+                    else:
+                        key = max(self.saved_ckpts, key=self.saved_ckpts.get)
+                    if key in self.saved_ckpts:
+                        del self.saved_ckpts[key]
+                    filename = os.path.join(self.output_dir, key)
                     logging.info(f"Delete: {filename}")
                     if os.path.exists(filename):
                         os.remove(filename)
@@ -213,8 +230,10 @@
                 if scaler is not None and 'scaler_state' in checkpoint:
                     scaler.load_state_dict(checkpoint['scaler_state'])
                 
-                self.val_acc_list = checkpoint["acc"]
-                self.step_or_epoch = checkpoint["step_or_epoch"]
+                self.saved_ckpts = checkpoint["saved_ckpts"]
+                self.val_acc_step_or_eoch = checkpoint["val_acc_step_or_eoch"] if "val_acc_step_or_eoch" in checkpoint else {}
+                self.val_loss_step_or_eoch = checkpoint["val_loss_step_or_eoch"] if "val_loss_step_or_eoch" in checkpoint else {}
+                self.val_loss_step_or_eoch = checkpoint["best_step_or_epoch"] if "best_step_or_epoch" in checkpoint else ""
                 model.to(self.device)
                 print(f"Checkpoint loaded successfully from '{ckpt}'")
             else:
@@ -458,8 +477,13 @@
                 if self.use_ddp or self.use_fsdp:
                     iterator_stop.fill_(1)
                     dist.all_reduce(iterator_stop, dist.ReduceOp.SUM)
-                    
-        self.val_acc_list.append(self.val_acc_avg)
+
+        if kwargs.get("step", None) is None:
+            ckpt_name = f'model.pt.ep{epoch}'
+        else:
+            ckpt_name = f'model.pt.ep{epoch}.{kwargs.get("step")}'
+        self.val_acc_step_or_eoch[ckpt_name] = self.val_acc_avg
+        self.val_loss_step_or_eoch[ckpt_name] = self.val_loss_avg
         model.train()
 
         if self.use_ddp or self.use_fsdp:

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