wehub-resource-sync
40 lines
1.4 KiB
Plaintext
40 lines
1.4 KiB
Plaintext
// Copyright (c) 2021 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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#include "paddle/fluid/imperative/reducer.h"
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namespace paddle {
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namespace imperative {
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#if defined(PADDLE_WITH_NCCL) || defined(PADDLE_WITH_RCCL)
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void Group::DivNRanks(DenseTensor *tensor,
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int64_t nranks,
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const phi::DeviceContext &context) {
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#ifdef PADDLE_WITH_HIP
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if (dtype_ == paddle::framework::proto::VarType_Type_BF16) {
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PADDLE_THROW(
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common::errors::Fatal("Unsupported BF16 in DataParallel for now"));
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}
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framework::VisitDataTypeForHIP(
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dtype_, DivNRanksForAllReduce<phi::GPUContext>(tensor, nranks, context));
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#else
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framework::VisitDataType(
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dtype_, DivNRanksForAllReduce<phi::GPUContext>(tensor, nranks, context));
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#endif
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}
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#endif
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} // namespace imperative
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} // namespace paddle
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