wehub-resource-sync
69 lines
2.3 KiB
C++
69 lines
2.3 KiB
C++
// Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
|
|
//
|
|
// 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.
|
|
|
|
#pragma once
|
|
|
|
#if defined(PADDLE_WITH_NCCL) || defined(PADDLE_WITH_RCCL)
|
|
#include "paddle/phi/core/distributed/collective/process_group.h"
|
|
#include "paddle/phi/core/distributed/nccl_comm_context.h"
|
|
#include "paddle/phi/kernels/funcs/reduce_function.h"
|
|
#endif
|
|
#include "paddle/common/errors.h"
|
|
#include "paddle/phi/core/platform/collective_helper.h"
|
|
#include "paddle/phi/core/tensor_utils.h"
|
|
|
|
namespace phi {
|
|
namespace fusion {
|
|
|
|
template <typename T>
|
|
static void AllReduce(DenseTensor &tensor, // NOLINT
|
|
const int ring_id,
|
|
const GPUContext &dev_ctx) {
|
|
if (ring_id == -1) return;
|
|
#if defined(PADDLE_WITH_NCCL) || defined(PADDLE_WITH_RCCL)
|
|
distributed::ProcessGroup *pg = nullptr;
|
|
auto map = distributed::ProcessGroupMapFromGid::getInstance();
|
|
if (map->has(ring_id)) {
|
|
// Use ProcessGroup
|
|
pg = map->get(ring_id);
|
|
} else {
|
|
PADDLE_THROW(common::errors::Unimplemented(
|
|
"ring_id %d is not in ProcessGroupMap, please check related "
|
|
"configurations and retry.",
|
|
ring_id));
|
|
}
|
|
|
|
distributed::AllreduceOptions opts;
|
|
opts.reduce_op = distributed::ReduceOp::SUM;
|
|
auto task = pg->AllReduce(&tensor, tensor, opts, false, false);
|
|
task->Wait();
|
|
|
|
#else
|
|
PADDLE_THROW(common::errors::Unimplemented(
|
|
"PaddlePaddle should compile with NCCL or RCCL when used tensor model "
|
|
"parallel op."));
|
|
#endif
|
|
}
|
|
|
|
template <typename T>
|
|
static void AllReduce(DenseTensor &tensor, // NOLINT
|
|
const int ring_id,
|
|
const int count UNUSED,
|
|
const GPUContext &dev_ctx) {
|
|
AllReduce<T>(tensor, ring_id, dev_ctx);
|
|
}
|
|
|
|
} // namespace fusion
|
|
} // namespace phi
|