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118 lines
4.7 KiB
118 lines
4.7 KiB
/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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/framework/channel.h"
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#include <paddle/fluid/framework/lod_rank_table.h>
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#include <paddle/fluid/framework/lod_tensor_array.h>
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#include <paddle/fluid/framework/reader.h>
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#include "paddle/fluid/framework/op_registry.h"
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#include "paddle/fluid/framework/var_type.h"
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#include "paddle/fluid/operators/math/math_function.h"
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static constexpr char Channel[] = "Channel";
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static constexpr char X[] = "X";
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static constexpr char Status[] = "Status";
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static constexpr char copy[] = "copy";
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namespace paddle {
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namespace operators {
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void SetSendStatus(const platform::Place &dev_place,
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framework::Variable &status_var, bool status) {
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auto cpu = platform::CPUPlace();
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auto status_tensor =
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status_var.GetMutable<framework::LoDTensor>()->mutable_data<bool>({1},
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cpu);
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status_tensor[0] = status;
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}
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bool ChannelSend(framework::ChannelHolder *ch, framework::Variable *var) {
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auto type = framework::ToVarType(var->Type());
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if (type == framework::proto::VarType_Type_LOD_TENSOR)
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return ch->Send(var->GetMutable<framework::LoDTensor>());
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else if (type == framework::proto::VarType_Type_LOD_RANK_TABLE)
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return ch->Send(var->GetMutable<framework::LoDRankTable>());
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else if (type == framework::proto::VarType_Type_LOD_TENSOR_ARRAY)
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return ch->Send(var->GetMutable<framework::LoDTensorArray>());
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else if (type == framework::proto::VarType_Type_SELECTED_ROWS)
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return ch->Send(var->GetMutable<framework::SelectedRows>());
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else if (type == framework::proto::VarType_Type_READER)
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return ch->Send(var->GetMutable<framework::ReaderHolder>());
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else if (type == framework::proto::VarType_Type_CHANNEL)
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return ch->Send(var->GetMutable<framework::ChannelHolder>());
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else
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PADDLE_THROW("ChannelSend:Unsupported type");
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}
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class ChannelSendOp : public framework::OperatorBase {
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public:
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ChannelSendOp(const std::string &type,
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const framework::VariableNameMap &inputs,
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const framework::VariableNameMap &outputs,
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const framework::AttributeMap &attrs)
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: framework::OperatorBase(type, inputs, outputs, attrs) {}
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void InferShape(framework::InferShapeContext *ctx) const {
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PADDLE_ENFORCE(ctx->HasInput(Channel),
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"Input(Channel) of ChannelSendOp should not be null.");
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PADDLE_ENFORCE(ctx->HasInput(X),
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"Input(X) of ChannelSendOp should not be null.");
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PADDLE_ENFORCE(ctx->HasOutput(Status),
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"Output(Status) of ChannelSendOp should not be null.");
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ctx->SetOutputDim("Status", {1});
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}
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private:
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void RunImpl(const framework::Scope &scope,
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const platform::Place &dev_place) const override {
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// Get the channel holder created by channel_create op, passed as input.
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framework::ChannelHolder *ch =
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scope.FindVar(Input(Channel))->GetMutable<framework::ChannelHolder>();
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auto input_var = scope.FindVar(Input(X));
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// Send the input data through the channel.
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bool ok = ChannelSend(ch, input_var);
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// Set the status output of the `ChannelSend` call.
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SetSendStatus(dev_place, *scope.FindVar(Output(Status)), ok);
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}
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};
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class ChannelSendOpMaker : public framework::OpProtoAndCheckerMaker {
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public:
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ChannelSendOpMaker(OpProto *proto, OpAttrChecker *op_checker)
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: OpProtoAndCheckerMaker(proto, op_checker) {
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AddInput(Channel,
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"(Channel) A variable which \"sends\" the passed in value to "
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"a listening receiver.")
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.AsDuplicable();
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AddInput(X, "(Variable) The value which gets sent by the channel.")
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.AsDuplicable();
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AddOutput(Status,
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"(Tensor) An LoD Tensor that returns a boolean status of the"
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"result of the send operation.")
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.AsDuplicable();
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AddAttr<bool>(copy, "(bool, default false) Should copy before send")
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.SetDefault(false);
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AddComment(R"DOC(
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)DOC");
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}
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};
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} // namespace operators
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} // namespace paddle
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REGISTER_OPERATOR(channel_send, paddle::operators::ChannelSendOp,
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paddle::framework::EmptyGradOpMaker,
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paddle::operators::ChannelSendOpMaker);
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