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InternLM
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lijiaxing 2023-12-07 19:42:03 +08:00
parent 68159c22a4
commit 66e4a8a847
1 changed files with 12 additions and 14 deletions
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26
internlm/utils/model_checkpoint.py
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@ -820,7 +820,8 @@ now step_count is {train_state.step_count}",
torch.distributed.barrier()
def query_latest_snapshot_step_boto3(self):
"""query_latest_snapshot_step_boto3
"""Query the latest snapshot step from the storage backend.
Currently, we only support the following storage backends: boto3, oss2 and volc.
Returns:
Tuple(str, int): path of latest ckpt and ckpt step, if not found, None will return.
"""
@ -878,6 +879,7 @@ now step_count is {train_state.step_count}",
return load_path, max(snap_step, max_normal_step)
def query_latest_snapshot_step_local(self):
"""Query the latest snapshot step from the local file system."""
max_step, max_step_path = 0, None
save_ckpt_folder = self.save_ckpt_folder.split(":")[1]
for root, _, files in os.walk(save_ckpt_folder, followlinks=True):
@ -894,26 +896,22 @@ now step_count is {train_state.step_count}",
return max_step_path, max_step
def query_lastest_ckpt(self):
"""Query the latest ckpt via the storage backend."""
latest_ckpt, step = None, -1
# Training was automatically restarted by the process, forcing the latest snapshot to be read.
if self.save_ckpt_folder:
backend, _ = try_get_storage_backend(self.save_ckpt_folder)
if backend == "boto3":
if backend in ["boto3", "oss2", "volc"]:
latest_ckpt, step = self.query_latest_snapshot_step_boto3()
if latest_ckpt and not latest_ckpt.startswith("boto3:"):
latest_ckpt = ":".join(["boto3", latest_ckpt])
elif backend == "oss2":
latest_ckpt, step = self.query_latest_snapshot_step_boto3()
if latest_ckpt and not latest_ckpt.startswith("oss2:"):
latest_ckpt = ":".join(["oss2", latest_ckpt])
elif backend == "volc":
latest_ckpt, step = self.query_latest_snapshot_step_boto3()
if latest_ckpt and not latest_ckpt.startswith("volc:"):
latest_ckpt = ":".join(["volc", latest_ckpt])
elif backend == "local":
latest_ckpt, step = self.query_latest_snapshot_step_local()
if latest_ckpt and not latest_ckpt.startswith("local:"):
latest_ckpt = ":".join(["local", latest_ckpt])
else:
raise NotImplementedError(
f"Unsupported backend: {backend}, " "Currently only support `boto3`, `oss2`, `volc` and `local`"
)
if latest_ckpt and not latest_ckpt.startswith(backend):
latest_ckpt = ":".join([backend, latest_ckpt])
if gpc.is_rank_for_log():
logger.info(f"Found latest ckpt {latest_ckpt if latest_ckpt else 'None'}, step: {step}...")