pinned_memory.hpp

/*
 * Copyright (c) 2024, NVIDIA CORPORATION.
 *
 * 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 <cudf/utilities/export.hpp>
 
#include <rmm/resource_ref.hpp>
 
#include <optional>
 
namespace CUDF_EXPORT cudf {
 
rmm::host_device_async_resource_ref set_pinned_memory_resource(
  rmm::host_device_async_resource_ref mr);
 
rmm::host_device_async_resource_ref get_pinned_memory_resource();
 
struct pinned_mr_options {
  std::optional<size_t> pool_size;  
};
 
bool config_default_pinned_memory_resource(pinned_mr_options const& opts);
 
void set_kernel_pinned_copy_threshold(size_t threshold);
 
size_t get_kernel_pinned_copy_threshold();
 
void set_allocate_host_as_pinned_threshold(size_t threshold);
 
size_t get_allocate_host_as_pinned_threshold();
 
}  // namespace CUDF_EXPORT cudf