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46 lines
1.4 KiB
46 lines
1.4 KiB
6 years ago
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// Copyright (c) 2018 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 <dlpack/dlpack.h>
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#include "paddle/fluid/framework/tensor.h"
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namespace paddle {
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namespace framework {
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class DLPackTensor {
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public:
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using LaneType = decltype(::DLTensor::dtype.lanes); // uint16_t
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using ShapeType =
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std::remove_reference<decltype(::DLTensor::shape[0])>::type; // int64_t
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// lanes is only used in CPU to enable vectorization
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explicit DLPackTensor(const Tensor& tensor, LaneType lanes = 1);
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inline operator const ::DLTensor&() const { return t_; }
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inline operator ::DLTensor&() { return t_; }
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private:
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::DLTensor t_;
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// The shape in DLTensor is defined as int64_t*
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// Add this member to make TVMTensor init without heap allocation
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ShapeType shape_[9];
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};
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} // namespace framework
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} // namespace paddle
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