You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
2.4 KiB
77 lines
2.4 KiB
// Copyright (c) 2018 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
|
|
|
|
#include <map>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "paddle/fluid/framework/details/op_handle_base.h"
|
|
#include "paddle/fluid/framework/lod_tensor.h"
|
|
#include "paddle/fluid/framework/scope.h"
|
|
#include "paddle/fluid/framework/selected_rows.h"
|
|
#include "paddle/fluid/platform/device_context.h"
|
|
|
|
#ifdef PADDLE_WITH_CUDA
|
|
#include "paddle/fluid/platform/nccl_helper.h"
|
|
#endif
|
|
|
|
namespace paddle {
|
|
namespace framework {
|
|
namespace details {
|
|
|
|
struct BroadcastOpHandle : public OpHandleBase {
|
|
public:
|
|
#ifdef PADDLE_WITH_CUDA
|
|
BroadcastOpHandle(ir::Node *node, const std::vector<Scope *> &local_scopes,
|
|
const std::vector<platform::Place> &places,
|
|
const platform::NCCLContextMap *nccl_ctxs)
|
|
: OpHandleBase(node),
|
|
local_scopes_(local_scopes),
|
|
places_(places),
|
|
nccl_ctxs_(nccl_ctxs) {
|
|
if (nccl_ctxs_) {
|
|
for (auto &p_ctx : nccl_ctxs_->contexts_) {
|
|
dev_ctxes_[platform::CUDAPlace(p_ctx.first)] = p_ctx.second.ctx_.get();
|
|
}
|
|
}
|
|
}
|
|
#else
|
|
BroadcastOpHandle(ir::Node *node, const std::vector<Scope *> &local_scopes,
|
|
const std::vector<platform::Place> &places)
|
|
: OpHandleBase(node), local_scopes_(local_scopes), places_(places) {}
|
|
#endif
|
|
|
|
std::string Name() const override;
|
|
|
|
bool IsMultiDeviceTransfer() override { return false; };
|
|
|
|
protected:
|
|
void RunImpl() override;
|
|
|
|
private:
|
|
std::vector<Scope *> local_scopes_;
|
|
std::vector<platform::Place> places_;
|
|
#ifdef PADDLE_WITH_CUDA
|
|
const platform::NCCLContextMap *nccl_ctxs_;
|
|
#endif
|
|
|
|
void InitOutputValue(const VarHandle &in_var_handle,
|
|
const std::vector<VarHandle *> &out_var_handles) const;
|
|
};
|
|
} // namespace details
|
|
} // namespace framework
|
|
} // namespace paddle
|