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handle_missing_edge_cases_in_fc #75413

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46 changes: 21 additions & 25 deletions python/paddle/distributed/flex_checkpoint/dcp/load_state_dict.py
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Original file line number Diff line number Diff line change
Expand Up @@ -660,15 +660,21 @@ def _handle_aoa(
for key, val in load_dict.items():
desc = build_shard_desc(val)
destination_state_shard_info[key].append(desc)
dst_sharded_shard_info_list = []
paddle.distributed.all_gather_object(
dst_sharded_shard_info_list,
dict(destination_state_shard_info),
process_group,
)
destination_state_shard_info = merge_shard_info_list(
dst_sharded_shard_info_list
)

use_dist = paddle.distributed.get_world_size() > 1

if use_dist:
dst_sharded_shard_info_list = []
paddle.distributed.all_gather_object(
dst_sharded_shard_info_list,
dict(destination_state_shard_info),
process_group,
)
destination_state_shard_info = merge_shard_info_list(
dst_sharded_shard_info_list
)
else:
destination_state_shard_info = dict(destination_state_shard_info)

aoa_engine = AOAEngine(
source_state_shard_info=source_state_shard_info,
Expand Down Expand Up @@ -818,21 +824,10 @@ def load_state_dict(
f"{key} is not replicated!"
)
load_dict[key] = val
load_state_dict_impl(
load_dict,
path,
process_group,
coordinator_rank,
unique_id,
offload,
mw_name_compatibility,
safetensors,
)
return

flat_shards, nonflat_shards = _split_flat_shards(state_dict)
load_dict, padding_info = _unflatten_shards(flat_shards)
load_dict.update(nonflat_shards)
else:
flat_shards, nonflat_shards = _split_flat_shards(state_dict)
load_dict, padding_info = _unflatten_shards(flat_shards)
load_dict.update(nonflat_shards)

if aoa_config is not None:
_handle_aoa(
Expand All @@ -856,7 +851,8 @@ def load_state_dict(
safetensors,
)

_finish_unflatten(flat_shards, padding_info)
if use_dist:
_finish_unflatten(flat_shards, padding_info)


def load_state_dict_impl(
Expand Down
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