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1# Copyright 2026 Huawei Technologies Co., Ltd 

2# 

3# Licensed under the Apache License, Version 2.0 (the "License"); 

4# you may not use this file except in compliance with the License. 

5# You may obtain a copy of the License at 

6# 

7# http://www.apache.org/licenses/LICENSE-2.0 

8# 

9# Unless required by applicable law or agreed to in writing, software 

10# distributed under the License is distributed on an "AS IS" BASIS, 

11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 

12# See the License for the specific language governing permissions and 

13# limitations under the License. 

14# ============================================================================ 

15"""Trainer runtime helpers: token counting, loss metrics, collectives.""" 

16 

17from hyper_parallel.trainer.runtime.distributed import all_gather, all_reduce 

18from hyper_parallel.trainer.runtime.loss_aggregation import count_loss_token 

19from hyper_parallel.trainer.runtime.metrics import mean_global_loss 

20 

21__all__ = [ 

22 "all_gather", 

23 "all_reduce", 

24 "count_loss_token", 

25 "mean_global_loss", 

26]