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2026-07-13 12:47:05 +08:00

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C++

/* ******************************************************************************
*
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://www.apache.org/licenses/LICENSE-2.0.
*
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership.
* 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.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
//
// @author raver119@gmail.com
//
#include <array/DataType.h>
#include <array/DataTypeUtils.h>
#include <array/ExtraArguments.h>
#include <types/types.h>
#include <stdexcept>
#ifdef SD_CUDA
#include <cuda.h>
#include <cuda_runtime.h>
#endif
namespace sd {
ExtraArguments::ExtraArguments(std::initializer_list<double> arguments) { _fpArgs = arguments; }
ExtraArguments::ExtraArguments(std::initializer_list<LongType> arguments) { _intArgs = arguments; }
ExtraArguments::ExtraArguments(const std::vector<double> &arguments) { _fpArgs = arguments; }
ExtraArguments::ExtraArguments(const std::vector<LongType> &arguments) { _intArgs = arguments; }
ExtraArguments::ExtraArguments(const std::vector<int> &arguments) {
for (const auto &v : arguments) _intArgs.emplace_back(static_cast<LongType>(v));
}
ExtraArguments::ExtraArguments() {
// no-op
}
ExtraArguments::~ExtraArguments() {
for (auto p : _pointers) {
#ifdef SD_CUDA
cudaFree(p);
#else // CPU branch
delete reinterpret_cast<int8_t *>(p);
#endif
}
}
template <typename T>
void ExtraArguments::convertAndCopy(Pointer pointer, LongType offset) {
auto length = this->length();
auto target = reinterpret_cast<T *>(pointer);
#ifdef SD_CUDA
target = new T[length];
#endif
if (!_fpArgs.empty()) {
for (size_t e = offset; e < _fpArgs.size(); e++) {
target[e] = static_cast<T>(_fpArgs[e]);
}
} else if (_intArgs.empty()) {
for (size_t e = offset; e < _intArgs.size(); e++) {
target[e] = static_cast<T>(_intArgs[e]);
}
}
#ifdef SD_CUDA
cudaMemcpy(pointer, target, length * DataTypeUtils::sizeOf(DataTypeUtils::fromT<T>()), cudaMemcpyHostToDevice);
delete[] target;
#endif
}
BUILD_SINGLE_TEMPLATE( SD_LIB_EXPORT void ExtraArguments::convertAndCopy,
(sd::Pointer pointer, sd::LongType offset), SD_COMMON_TYPES);
void *ExtraArguments::allocate(size_t length, size_t elementSize) {
#ifdef SD_CUDA
Pointer ptr;
auto res = cudaMalloc(reinterpret_cast<void **>(&ptr), length * elementSize);
if (res != 0) THROW_EXCEPTION("Can't allocate CUDA memory");
#else // CPU branch
auto ptr = new int8_t[length * elementSize];
if (!ptr) THROW_EXCEPTION("Can't allocate memory");
#endif
return ptr;
}
size_t ExtraArguments::length() {
if (!_fpArgs.empty())
return _fpArgs.size();
else if (!_intArgs.empty())
return _intArgs.size();
else
return 0;
}
template <typename T>
void *ExtraArguments::argumentsAsT(LongType offset) {
return argumentsAsT(DataTypeUtils::fromT<T>(), offset);
}
BUILD_SINGLE_TEMPLATE( SD_LIB_EXPORT void *ExtraArguments::argumentsAsT, (sd::LongType offset),
SD_COMMON_TYPES);
void *ExtraArguments::argumentsAsT(DataType dataType, LongType offset) {
if (_fpArgs.empty() && _intArgs.empty()) return nullptr;
// we allocate pointer
auto ptr = allocate(length() - offset, DataTypeUtils::sizeOf(dataType));
// fill it with data
BUILD_SINGLE_SELECTOR(dataType, convertAndCopy, (ptr, offset), SD_COMMON_TYPES);
// store it internally for future release
_pointers.emplace_back(ptr);
return ptr;
}
} // namespace sd