text: /******************************************************************************
   * Copyright (c) 2018, NVIDIA CORPORATION.  All rights reserved.
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   *     * Redistributions of source code must retain the above copyright
   *       notice, this list of conditions and the following disclaimer.
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   *       notice, this list of conditions and the following disclaimer in the
   *       documentation and/or other materials provided with the distribution.
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   *       names of its contributors may be used to endorse or promote products
   *       derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR ANY
   * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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   ******************************************************************************/
  
  // TODO: Move into system::cuda
  
  #pragma once
  
  #include <thrust/detail/config.h>
  #include <thrust/detail/cpp14_required.h>
  
  #if THRUST_CPP_DIALECT >= 2014
  
  #if THRUST_DEVICE_COMPILER == THRUST_DEVICE_COMPILER_NVCC
  
  #include <thrust/system/cuda/config.h>
  
  #include <thrust/detail/type_deduction.h>
  #include <thrust/detail/cstdint.h>
  #include <thrust/detail/execute_with_allocator.h>
  #include <thrust/system/cuda/memory_resource.h>
  #include <thrust/memory/detail/host_system_resource.h>
  #include <thrust/mr/allocator.h>
  #include <thrust/mr/disjoint_sync_pool.h>
  #include <thrust/mr/sync_pool.h>
  #include <thrust/per_device_resource.h>
  
  namespace thrust
  {
  
  namespace system { namespace cuda { namespace detail
  {
  
  using default_async_host_resource =
    thrust::mr::synchronized_pool_resource<
      thrust::host_memory_resource
    >;
  
  template <typename DerivedPolicy>
  auto get_async_host_allocator(
    thrust::detail::execution_policy_base<DerivedPolicy>&
  )
  THRUST_RETURNS(
    thrust::mr::stateless_resource_allocator<
      thrust::detail::uint8_t, default_async_host_resource
    >{}
  )
  
  ///////////////////////////////////////////////////////////////////////////////
  
  using default_async_device_resource =
    thrust::mr::disjoint_synchronized_pool_resource<
      thrust::system::cuda::memory_resource
    , thrust::mr::new_delete_resource
    >;
  
  template <typename DerivedPolicy>
  auto get_async_device_allocator(
    thrust::detail::execution_policy_base<DerivedPolicy>&
  )
  THRUST_RETURNS(
    thrust::per_device_allocator<
      thrust::detail::uint8_t, default_async_device_resource, par_t
    >{}
  )
  
  template <typename Allocator, template <typename> class BaseSystem>
  auto get_async_device_allocator(
    thrust::detail::execute_with_allocator<Allocator, BaseSystem>& exec
  )
  THRUST_RETURNS(exec.get_allocator())
  
  template <typename Allocator, template <typename> class BaseSystem>
  auto get_async_device_allocator(
    thrust::detail::execute_with_allocator_and_dependencies<
      Allocator, BaseSystem
    >& exec
  )
  THRUST_RETURNS(exec.get_allocator())
  
  ///////////////////////////////////////////////////////////////////////////////
  
  using default_async_universal_host_pinned_resource =
    thrust::mr::synchronized_pool_resource<
      thrust::system::cuda::universal_host_pinned_memory_resource
    >;
  
  template <typename DerivedPolicy>
  auto get_async_universal_host_pinned_allocator(
    thrust::detail::execution_policy_base<DerivedPolicy>&
  )
  THRUST_RETURNS(
    thrust::mr::stateless_resource_allocator<
      thrust::detail::uint8_t, default_async_universal_host_pinned_resource
    >{}
  )
  
  }}} // namespace system::cuda::detail
  
  } // end namespace thrust
  
  #endif // THRUST_DEVICE_COMPILER == THRUST_DEVICE_COMPILER_NVCC
  
  #endif
  
  