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103 lines
2.7 KiB
103 lines
2.7 KiB
/* |
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* Copyright 2008-2012 NVIDIA Corporation |
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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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*/ |
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/*! \file device_malloc.h |
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* \brief Allocates storage in device memory |
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*/ |
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#pragma once |
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#include <thrust/detail/config.h> |
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#include <thrust/device_ptr.h> |
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#include <cstddef> // for std::size_t |
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namespace thrust |
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{ |
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/*! \addtogroup allocation_functions Allocation Functions |
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* \ingroup memory_management_functions |
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* \{ |
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*/ |
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/*! This version of \p device_malloc allocates sequential device storage |
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* for bytes. |
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* |
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* \param n The number of bytes to allocate sequentially |
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* in device memory. |
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* \return A \p device_ptr to the newly allocated memory. |
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* |
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* The following code snippet demonstrates how to use \p device_malloc to |
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* allocate a range of device memory. |
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* |
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* \code |
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* #include <thrust/device_malloc.h> |
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* #include <thrust/device_free.h> |
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* ... |
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* // allocate some memory with device_malloc |
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* const int N = 100; |
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* thrust::device_ptr<void> void_ptr = thrust::device_malloc(N); |
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* |
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* // manipulate memory |
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* ... |
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* |
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* // deallocate with device_free |
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* thrust::device_free(void_ptr); |
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* \endcode |
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* |
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* \see device_ptr |
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* \see device_free |
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*/ |
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inline thrust::device_ptr<void> device_malloc(const std::size_t n); |
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/*! This version of \p device_malloc allocates sequential device storage for |
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* new objects of the given type. |
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* |
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* \param n The number of objects of type T to allocate |
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* sequentially in device memory. |
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* \return A \p device_ptr to the newly allocated memory. |
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* |
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* The following code snippet demonstrates how to use \p device_malloc to |
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* allocate a range of device memory. |
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* |
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* \code |
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* #include <thrust/device_malloc.h> |
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* #include <thrust/device_free.h> |
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* ... |
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* // allocate some integers with device_malloc |
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* const int N = 100; |
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* thrust::device_ptr<int> int_array = thrust::device_malloc<int>(N); |
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* |
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* // manipulate integers |
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* ... |
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* |
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* // deallocate with device_free |
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* thrust::device_free(int_array); |
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* \endcode |
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* |
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* \see device_ptr |
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* \see device_free |
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*/ |
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template<typename T> |
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inline thrust::device_ptr<T> device_malloc(const std::size_t n); |
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/*! \} |
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*/ |
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} // end thrust |
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#include <thrust/detail/device_malloc.inl> |
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