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89 lines
2.9 KiB
89 lines
2.9 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/operators/unbind_op.h"
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#include <string>
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namespace paddle {
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namespace operators {
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using framework::Tensor;
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class UnbindOp : public framework::OperatorWithKernel {
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public:
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using framework::OperatorWithKernel::OperatorWithKernel;
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void InferShape(framework::InferShapeContext *ctx) const override {
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PADDLE_ENFORCE_EQ(
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ctx->HasInput("X"), true,
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platform::errors::NotFound("Input(X) of UnbindOp is not found."));
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PADDLE_ENFORCE_GE(
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ctx->Outputs("Out").size(), 1UL,
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platform::errors::NotFound("Outputs(Out) of UnbindOp is not found."));
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auto in_dims = ctx->GetInputDim("X");
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auto outs_names = ctx->Outputs("Out");
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int axis = ctx->Attrs().Get<int>("axis");
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const size_t outs_number = outs_names.size();
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auto out_dims = UnbindOutsDims(in_dims, axis);
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std::vector<framework::DDim> outs_dims(outs_number, out_dims);
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ctx->SetOutputsDim("Out", outs_dims);
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for (size_t i = 0; i < outs_number; ++i) {
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ctx->ShareLoD("X", "Out", 0, i);
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}
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}
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};
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class UnbindOpMaker : public framework::OpProtoAndCheckerMaker {
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public:
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void Make() override {
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AddInput("X", "(Tensor) Input tensor of the split operator.");
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AddOutput("Out", "(Tensor) Output tensors of the unbind operator.")
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.AsDuplicable();
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AddComment(R"DOC(
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Unbind operator
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Remove a tensor dimension.
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Example:
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Input = [[1,2],
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[3,4],
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[5,6]]
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axis = 0
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Output[0] = [1,2]
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Output[1] = [3,4]
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Output[2] = [5,6]
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)DOC");
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AddAttr<int>("axis",
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"(int, default 0) "
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"dimension to remove.")
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.SetDefault(0);
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}
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};
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} // namespace operators
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} // namespace paddle
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namespace ops = paddle::operators;
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REGISTER_OPERATOR(unbind, ops::UnbindOp, ops::UnbindOpMaker,
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ops::UnbindGradMaker<paddle::framework::OpDesc>,
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ops::UnbindGradMaker<paddle::imperative::OpBase>);
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namespace plat = paddle::platform;
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REGISTER_OP_CPU_KERNEL(
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unbind, ops::UnbindOpKernel<plat::CPUDeviceContext, double>,
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ops::UnbindOpKernel<plat::CPUDeviceContext, float>,
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ops::UnbindOpKernel<plat::CPUDeviceContext, int64_t>,
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ops::UnbindOpKernel<plat::CPUDeviceContext, int>,
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ops::UnbindOpKernel<plat::CPUDeviceContext, plat::float16>);
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