34 lines
1.1 KiB
Python
34 lines
1.1 KiB
Python
# Copyright 2024 Bytedance Ltd. and/or its affiliates
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from verl.utils.import_utils import is_vllm_available, is_megatron_core_available
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from .base import BaseShardingManager
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from .fsdp_ulysses import FSDPUlyssesShardingManager
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AllGatherPPModel = None
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if is_megatron_core_available() and is_vllm_available():
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from .megatron_vllm import AllGatherPPModel, MegatronVLLMShardingManager
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elif AllGatherPPModel is not None:
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pass
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else:
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AllGatherPPModel = None
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MegatronVLLMShardingManager = None
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if is_vllm_available():
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from .fsdp_vllm import FSDPVLLMShardingManager
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else:
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FSDPVLLMShardingManager = None
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