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Fix performance degradation bug of custom_all_reduce (#2981)

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zhink
2025-07-23 17:45:44 +08:00
committed by GitHub
parent 850c9d98d4
commit 1272c7ce98
2 changed files with 4 additions and 3 deletions
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5
fastdeploy/distributed/communication.py
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@@ -14,10 +14,11 @@
# limitations under the License.
"""
from contextlib import contextmanager, nullcontext
import paddle
import paddle.distributed as dist
from paddle.distributed import fleet
from contextlib import contextmanager, nullcontext
from fastdeploy.distributed.parallel_state import get_tensor_model_parallel_world_size
@@ -53,7 +54,7 @@ try:
"""All-reduce the input tensor across model parallel group."""
global _TP_AR
if _TP_AR is not None and _TP_AR.should_custom_ar(input_):
_TP_AR.all_reduce(input_, input_)
_TP_AR.custom_all_reduce(input_)
elif paddle.in_dynamic_mode():
hcg = fleet.get_hybrid_communicate_group()
mp_group = hcg.get_model_parallel_group()