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1faccd4 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | # Copyright 2025 Bytedance Ltd. and/or its affiliates
#
# 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 logging
import os
try:
from mindspeed.megatron_adaptor import repatch
except ImportError:
repatch = None
from verl.trainer.config import CheckpointConfig
from verl.workers.config import HFModelConfig, McoreEngineConfig, McoreOptimizerConfig
from ..base import EngineRegistry
from ..megatron import MegatronEngineWithLMHead
logger = logging.getLogger(__file__)
logger.setLevel(os.getenv("VERL_LOGGING_LEVEL", "WARN"))
@EngineRegistry.register(model_type="language_model", backend="megatron", device="npu")
class MindspeedEngineWithLMHead(MegatronEngineWithLMHead):
def __init__(
self,
model_config: HFModelConfig,
engine_config: McoreEngineConfig,
optimizer_config: McoreOptimizerConfig,
checkpoint_config: CheckpointConfig,
):
super().__init__(model_config, engine_config, optimizer_config, checkpoint_config)
repatch_config = self.engine_config.get("override_transformer_config", {})
repatch_config["use_flash_attn"] = True
if self.engine_config.context_parallel_size > 1:
repatch_config["context_parallel_size"] = self.engine_config.context_parallel_size
repatch(repatch_config)
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