wehub-resource-sync
65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
/* Copyright (c) 2025 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 <array>
|
|
#include <cstdint>
|
|
#include <type_traits>
|
|
#include <vector>
|
|
|
|
#include "paddle/phi/common/memory_utils.h"
|
|
#include "paddle/phi/common/place.h"
|
|
#include "paddle/phi/core/dense_tensor.h"
|
|
#include "paddle/phi/kernels/funcs/math_function.h"
|
|
#include "paddle/phi/kernels/funcs/stride_utils.h"
|
|
|
|
namespace phi {
|
|
namespace funcs {
|
|
|
|
constexpr int MAX_DIMS = DDim::kMaxRank;
|
|
|
|
template <int N>
|
|
struct alignas(N) OpaqueType {
|
|
char data[N];
|
|
};
|
|
|
|
template <typename IndexT>
|
|
std::array<char*, DDim::kMaxRank> GetIndexDataPtrs(
|
|
const std::vector<const DenseTensor*>& index) {
|
|
std::array<char*, DDim::kMaxRank> index_ptrs{};
|
|
|
|
PADDLE_ENFORCE_LE(index.size(),
|
|
DDim::kMaxRank,
|
|
"The number of index tensors exceeds the maximum rank.");
|
|
|
|
for (size_t i = 0; i < index.size(); ++i) {
|
|
const IndexT* p_index = index[i]->data<IndexT>();
|
|
|
|
PADDLE_ENFORCE_NOT_NULL(
|
|
p_index,
|
|
::common::errors::InvalidArgument(
|
|
"The pointer p_index is nullptr, "
|
|
"please check whether the index tensor is valid and "
|
|
"its data is correctly initialized."));
|
|
|
|
index_ptrs[i] = reinterpret_cast<char*>(const_cast<IndexT*>(p_index));
|
|
}
|
|
|
|
return index_ptrs;
|
|
}
|
|
|
|
} // namespace funcs
|
|
} // namespace phi
|