fix(ci): fix ci train error (#199)

internlm/core/communication/p2p.py

@@ -547,6 +547,8 @@ def send_backward_and_recv_next_backward_async(
 
 
 class AsynCommunicator:
+    """AsynCommunicator for managing async communication."""
+
     def __init__(
         self,
         tensor_to_send: Union[torch.Tensor, List[torch.Tensor]],

internlm/core/communication/utils.py

@@ -1,6 +1,5 @@
 # adopted from https://github.com/hpcaitech/ColossalAI/blob/main/colossalai/communication
 
-from functools import wraps
 from typing import List, Tuple, Union
 
 import torch

internlm/initialize/launch.py

@@ -139,7 +139,7 @@ def args_sanity_check():
                     gpc.config.ckpt._add_item("async_upload_tmp_folder", "/dev/shm/internlm_tmp_ckpt/")
 
     if "snapshot_ckpt_folder" not in gpc.config.ckpt:
-        gpc.config.ckpt._add_item("snapshot_ckpt_folder", os.path.join(gpc.config.ckpt.save_ckpt_folder), "snapshot")
+        gpc.config.ckpt._add_item("snapshot_ckpt_folder", os.path.join(gpc.config.ckpt.save_ckpt_folder, "snapshot"))
 
     if "oss_snapshot_freq" not in gpc.config.ckpt and gpc.config.ckpt.checkpoint_every != float("inf"):
         gpc.config.ckpt._add_item("oss_snapshot_freq", gpc.config.ckpt.checkpoint_every / 2)

internlm/solver/optimizer/store.py

@@ -247,8 +247,12 @@ class ParameterStore(BaseStore):
 
     def get_reduced_param_for_compute_norm(self, group_id=0, last_bucket=False):
         if not last_bucket:
+            if group_id not in self._former_bucket_reduced_param:
+                return [], []
             return self._former_bucket_reduced_param[group_id], self._former_bucket_reduced_grad[group_id]
         else:
+            if group_id not in self._last_bucket_reduced_param:
+                return [], []
             return self._last_bucket_reduced_param[group_id], self._last_bucket_reduced_grad[group_id]
 
     def reset_reduced_data_for_compute_norm(self):