wehub-resource-sync
50 lines
1.8 KiB
Python
50 lines
1.8 KiB
Python
# Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
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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 paddle.base import core
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def get_nccl_version_str(ver):
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if ver >= 10000:
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NCCL_MAJOR_VERSION = int(ver // 10000)
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ver = ver % 10000
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else:
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NCCL_MAJOR_VERSION = int(ver // 1000)
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ver = ver % 1000
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NCCL_MINOR_VERSION = int(ver // 100)
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NCCL_PATCH_VERSION = int(ver % 100)
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return f"{NCCL_MAJOR_VERSION}.{NCCL_MINOR_VERSION}.{NCCL_PATCH_VERSION}"
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def check_nccl_version_for_p2p():
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nccl_version = core.nccl_version()
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nccl_version_str = get_nccl_version_str(nccl_version)
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nccl_version_baseline = 2804
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assert nccl_version >= nccl_version_baseline, (
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"The version of NCCL is required to be at least v2.8.4 while training with "
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f"pipeline/MoE parallelism, but we found v{nccl_version_str}. The previous version of NCCL has "
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"some bugs in p2p communication, and you can see more detailed description "
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"about this issue from ReleaseNotes of NCCL v2.8.4 "
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"(https://docs.nvidia.com/deeplearning/nccl/release-notes/rel_2-8-4.html#rel_2-8-4)."
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)
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def check_nccl_version_for_bf16():
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nccl_version = core.nccl_version()
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nccl_version_baseline = 21000
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return nccl_version >= nccl_version_baseline
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