wehub-resource-sync
69 lines
2.3 KiB
C++
69 lines
2.3 KiB
C++
// Copyright (c) 2022 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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#pragma once
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#include "paddle/common/ddim.h"
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#include "paddle/fluid/framework/convert_utils.h"
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#include "paddle/fluid/framework/var_desc.h"
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#include "paddle/phi/core/extended_tensor.h"
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#include "paddle/phi/core/utils/data_type.h"
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#include "paddle/utils/any.h"
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namespace paddle {
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namespace prim {
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class DescTensor : public phi::ExtendedTensor,
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public phi::TypeInfoTraits<phi::TensorBase, DescTensor> {
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public:
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explicit DescTensor(framework::VarDesc* desc)
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: desc_ptr_(desc), dims_(common::make_ddim(desc->GetShape())) {}
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static const char* name() { return "DescTensor"; }
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std::string Name() const { return desc_ptr_->Name(); }
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std::vector<int64_t> shape() const { return desc_ptr_->GetShape(); }
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const phi::DDim& dims() const override {
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dims_ = common::make_ddim(desc_ptr_->GetShape());
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return dims_;
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}
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int64_t numel() const override { return product(dims()); }
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DataType dtype() const override {
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return phi::TransToPhiDataType(desc_ptr_->GetDataType());
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}
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framework::VarDesc* get_ptr() { return desc_ptr_; }
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const phi::Place& place() const override { return place_; }
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bool initialized() const override { return desc_ptr_ != nullptr; }
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// TODO(jiabin): override more operators here.
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private:
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// VarDesc's lifetime is held by block and it's program, so we just conceal
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// its funcs instead of its life.
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framework::VarDesc* desc_ptr_;
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// TODO(jiabin): This is really ugly, but we have to hold a dims here so that
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// we can inherit from ExtendedTensor Remove this when we make VarDesc's as
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// same as Tensor, or make Tensor's dims more lightly.
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mutable DDim dims_;
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Place place_;
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};
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} // namespace prim
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} // namespace paddle
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