Cherry-pick PRs from incubate/paddlenlp_fleety (PaddlePaddle#11049)

* add offload opt util (PaddlePaddle#10607)

* fix offload optimizer (PaddlePaddle#10608)

* fix sharding reshard bug (PaddlePaddle#10613)

* reset ema (PaddlePaddle#10790)

* Move fused_quanted_ops and token_dispatcher_utils to FleetY (PaddlePaddle#10803)

* move setup_fp8.py (PaddlePaddle#10820)

* Add tokens_zip_unique_add_subbatch and merge_subbatch_cast ops (PaddlePaddle#10822)

* add tokens_zip_unique_add_subbatch and merge_subbatch_cast ops

* enhance ut

* enhance ut again

* remove duplicate codes

* enhance ut again

* Sharding reshard supports mismatch parameter name (PaddlePaddle#10479)

* Sharding Reshard Supports N -> 1 (PaddlePaddle#10532)

* cherry-pick PaddlePaddle#10531

* support tpdp-ep sharding reshard (PaddlePaddle#10568)

* fix typo

* revert sharding_first

Author: sneaxiy

.pre-commit-config.yaml

@@ -62,3 +62,12 @@ repos:
         language: python
         files: \.(md|markdown|rst)$
         pass_filenames: true
+
+-   repo: local
+    hooks:
+    -   id: clang-format
+        name: clang-format
+        description: Format files with ClangFormat.
+        entry: bash ./tools/codestyle/clang_format.sh -i
+        language: system
+        files: \.(c|cc|cxx|cpp|cu|h|hpp|hxx|xpu|kps)$

paddlenlp/trainer/trainer.py

@@ -372,7 +372,13 @@ def __init__(
         self.optimizer_grouped_parameters = None
         self.sharding_io = None
         if self.args.should_save_sharding_stage1_model or self.args.should_load_sharding_stage1_model:
-            self.sharding_io = ShardingIO(self.args, self.model, self.optimizer)
+            self.sharding_io = ShardingIO(
+                self.args,
+                self.model,
+                self.optimizer,
+                remap_parameter_name=self.args.load_sharded_model_remap_parameter_name,
+            )
+
         if self.args.unified_checkpoint:
             self.unified_checkpoint_handler = UnifiedCheckpointHandler(self.args)
 
@@ -805,9 +811,16 @@ def create_zcc_manager(self, unwrapped_model, resume_from_checkpoint=None):
         if resume_from_checkpoint is not None:
             path = _add_variant(PADDLE_OPTIMIZER_NAME, self.args.optimizer_name_suffix)
             path = os.path.join(resume_from_checkpoint, path).replace("optimizer", "ema")
+            if self.args.zcc_save_ema_coef is not None and self.sharding_io is not None:
+                success, err_msg = self.sharding_io.check_same_strategy(resume_from_checkpoint)
+            else:
+                success, err_msg = True, None
             if os.path.exists(path):
-                logger.info(f"ZCC EMA load from {path}")
-                self.zcc_manager.set_ema_state_dict(path)
+                if success:
+                    logger.info(f"ZCC EMA load from {path}")
+                    self.zcc_manager.set_ema_state_dict(path)
+                else:
+                    logger.info(f"ZCC EMA does not load {path} because {err_msg}")
             else:
                 logger.info(f"ZCC EMA state dict not found, in: {path}")
 

paddlenlp/trainer/training_args.py

@@ -633,6 +633,11 @@ class TrainingArguments:
         },
     )
 
+    load_sharded_model_remap_parameter_name: bool = field(
+        default=False,
+        metadata={"help": "Whether to remap parameter name when load_sharded_model = true."},
+    )
+
     tensor_parallel_degree: int = field(
         default=-1,
         metadata={
@@ -2039,6 +2044,11 @@ def _post_init_parallel_degree(self):
                 sharding_parallel_degree * tensor_parallel_degree * sep_parallel_degree * pipeline_parallel_degree
             )
 
+            if expert_parallel_degree > 1:
+                assert (
+                    self.expert_tensor_parallel_degree <= 1
+                ), "expert_tensor_parallel_degree > 1 is not supported when expert_parallel_degree > 1"
+
             assert not (
                 self.data_parallel_degree > 1 and expert_parallel_degree > 1
             ), f"Currently only support use expert_data_parallel strategy together with sharding_parallel strategy, but not with data_parallel strategy. Currently data_parallel_degree is {self.data_parallel_degree}."
@@ -2227,6 +2237,17 @@ def pipeline_parallel_rank(self):
         else:
             return 0
 
+    @property
+    def expert_parallel_rank(self):
+        if self.use_hybrid_parallel:
+            hcg = fleet.get_hybrid_communicate_group()
+            if hasattr(hcg, "get_expert_parallel_rank"):
+                return max(hcg.get_expert_parallel_rank(), 0)
+            else:
+                return 0
+        else:
+            return 0
+
     @property
     def context_parallel_rank(self):
         if self.use_hybrid_parallel:
@@ -2252,7 +2273,7 @@ def optimizer_name_suffix(self):
                 name.append(self._format_name("pp", self.pipeline_parallel_rank, self.pipeline_parallel_degree))
             if self.sharding_parallel_degree > 1:
                 name.append(self._format_name("shard", self.sharding_parallel_rank, self.sharding_parallel_degree))
-            if self.use_expert_parallel:
+            if self.use_expert_parallel and self.expert_parallel_degree <= 1:
                 name.append(self._format_name("moe", self.data_parallel_rank, self.data_parallel_degree))
             return "_".join(name)
         else:
@@ -2268,7 +2289,7 @@ def weight_name_suffix(self):
                 name.append(self._format_name("tp", self.tensor_parallel_rank, self.tensor_parallel_degree))
             if self.pipeline_parallel_degree > 1:
                 name.append(self._format_name("pp", self.pipeline_parallel_rank, self.pipeline_parallel_degree))
-            if self.use_expert_parallel:
+            if self.use_expert_parallel and self.expert_parallel_degree <= 1:
                 name.append(self._format_name("moe", self.data_parallel_rank, self.data_parallel_degree))
             return "_".join(name)
 
@@ -2277,7 +2298,9 @@ def weight_name_suffix(self):
                 return self._format_name("moe", self.data_parallel_rank, self.data_parallel_degree)
             return None
 
-    def sharded_name_suffix(self, shard_id=None, pp_id=None, moe_id=None):
+    def sharded_name_suffix(self, shard_id=None, pp_id=None, moe_id=None, sharding_parallel_degree=None):
+        if sharding_parallel_degree is None:
+            sharding_parallel_degree = self.sharding_parallel_degree
         if self.use_hybrid_parallel:
             name = []
             if self.tensor_parallel_degree > 1:
@@ -2287,12 +2310,12 @@ def sharded_name_suffix(self, shard_id=None, pp_id=None, moe_id=None):
                     pp_id = self.pipeline_parallel_rank
                 assert isinstance(pp_id, int)
                 name.append(self._format_name("pp", pp_id, self.pipeline_parallel_degree))
-            if self.sharding_parallel_degree > 1:
+            if sharding_parallel_degree > 1:
                 if shard_id is None:
                     shard_id = self.sharding_parallel_rank
                 assert isinstance(shard_id, int)
-                name.append(self._format_name("shard", shard_id, self.sharding_parallel_degree))
-            if self.use_expert_parallel:
+                name.append(self._format_name("shard", shard_id, sharding_parallel_degree))
+            if self.use_expert_parallel and self.expert_parallel_degree <= 1:
                 if moe_id is None:
                     moe_id = self.data_parallel_rank
                 assert isinstance(moe_id, int)
@@ -2418,9 +2441,7 @@ def should_save_sharding_stage1_model(self):
     def should_load_sharding_stage1_model(self):
         if self.enable_auto_parallel:
             return False
-        return (
-            ShardingOption.SHARD_OP in self.sharding and self.sharding_parallel_degree > 1 and self.load_sharded_model
-        )
+        return self.load_sharded_model
 
     @property
     def should_load_dataset(self):

paddlenlp/trainer/utils/offload_optimizer.py

@@ -0,0 +1,81 @@
+# Copyright (c) 2025 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import paddle
+from paddle import _C_ops
+from paddle.distributed.fleet.meta_optimizers.dygraph_optimizer.hybrid_parallel_optimizer import (
+    HybridParallelOptimizer,
+)
+from paddle.optimizer import Optimizer
+
+from .sharding_io import to_device
+
+
+def offload(tensor):
+    if paddle.is_compiled_with_cuda():
+        place = paddle.CUDAPinnedPlace()
+    else:
+        place = paddle.CPUPlace()
+
+    new_tensor = to_device(tensor, place)
+    assert new_tensor is tensor, "to_device must be inplace operation"
+
+
+def reload(tensor):
+    new_tensor = to_device(tensor)
+    assert new_tensor is tensor, "to_device must be inplace operation"
+
+
+def hack_offload_optimizer():
+    # Step 1: mock _add_accumulator
+    origin_add_accumulator = getattr(Optimizer, "_add_accumulator")
+
+    def new_add_accumulator(self, *args, **kwargs):
+        x = origin_add_accumulator(self, *args, **kwargs)
+        offload(x)
+        return x
+
+    setattr(Optimizer, "_add_accumulator", new_add_accumulator)
+
+    # Step 2: mock _C_ops.adamw_ and _C_ops.adamw
+    for name in ["adam_", "adamw_"]:
+        origin_op = getattr(_C_ops, name)
+
+        def new_opt_op(*args):
+            for arg in args:
+                if isinstance(arg, paddle.Tensor):
+                    reload(arg)
+
+            ret = origin_op(*args)
+
+            for i, arg in enumerate(args):
+                if i >= 2 and isinstance(arg, paddle.Tensor):  # do not offload parameter and gradient
+                    offload(arg)
+            return ret
+
+        setattr(_C_ops, name, new_opt_op)
+
+    # Step 3: mock _insert_sync
+    opt_type = HybridParallelOptimizer
+    origin_insert_sync = getattr(opt_type, "_insert_sync")
+
+    def new_insert_sync(self, sync_var, *args, **kwargs):
+        origin_place = sync_var.place
+        reload(sync_var)
+        ret = origin_insert_sync(self, sync_var, *args, **kwargs)
+        new_sync_var = to_device(sync_var, origin_place)
+        assert new_sync_var is sync_var, "to_device must be inplace operation"
+        return ret
+
+    setattr(opt_type, "_insert_sync", new_insert_sync)

paddlenlp/trainer/utils/reshard/__init__.py

@@ -18,6 +18,14 @@
     SHARDING_STRATEGY_V2,
     NodeModelState,
     all_gather_state_dict,
+    convert_opt_name_to_tname,
+    get_moe_sharding_group,
+    get_param_sharding_group,
     get_sharding_strategy,
     is_sharding_opt,
+    merge_model_state,
+    merge_opt_state,
+    split_model_state,
+    split_opt_state,
+    split_structure_name_mapping,
 )