RMM  23.12
RAPIDS Memory Manager
Public Member Functions | List of all members
rmm::mr::cuda_memory_resource Class Referencefinal

device_memory_resource derived class that uses cudaMalloc/Free for allocation/deallocation. More...

#include <cuda_memory_resource.hpp>

Inheritance diagram for rmm::mr::cuda_memory_resource:
Inheritance graph
[legend]
Collaboration diagram for rmm::mr::cuda_memory_resource:
Collaboration graph
[legend]

Public Member Functions

 cuda_memory_resource (cuda_memory_resource const &)=default
 Default copy constructor.
 
 cuda_memory_resource (cuda_memory_resource &&)=default
 Default move constructor.
 
cuda_memory_resourceoperator= (cuda_memory_resource const &)=default
 Default copy assignment operator. More...
 
cuda_memory_resourceoperator= (cuda_memory_resource &&)=default
 Default move assignment operator. More...
 
bool supports_streams () const noexcept override
 Query whether the resource supports use of non-null CUDA streams for allocation/deallocation. cuda_memory_resource does not support streams. More...
 
bool supports_get_mem_info () const noexcept override
 Query whether the resource supports the get_mem_info API. More...
 
- Public Member Functions inherited from rmm::mr::device_memory_resource
 device_memory_resource (device_memory_resource const &)=default
 Default copy constructor.
 
 device_memory_resource (device_memory_resource &&) noexcept=default
 Default move constructor.
 
device_memory_resourceoperator= (device_memory_resource const &)=default
 Default copy assignment operator. More...
 
device_memory_resourceoperator= (device_memory_resource &&) noexcept=default
 Default move assignment operator. More...
 
void * allocate (std::size_t bytes, cuda_stream_view stream=cuda_stream_view{})
 Allocates memory of size at least bytes. More...
 
void deallocate (void *ptr, std::size_t bytes, cuda_stream_view stream=cuda_stream_view{})
 Deallocate memory pointed to by p. More...
 
bool is_equal (device_memory_resource const &other) const noexcept
 Compare this resource to another. More...
 
void * allocate (std::size_t bytes, std::size_t alignment)
 Allocates memory of size at least bytes. More...
 
void deallocate (void *ptr, std::size_t bytes, std::size_t alignment)
 Deallocate memory pointed to by p. More...
 
void * allocate_async (std::size_t bytes, std::size_t alignment, cuda_stream_view stream)
 Allocates memory of size at least bytes. More...
 
void * allocate_async (std::size_t bytes, cuda_stream_view stream)
 Allocates memory of size at least bytes. More...
 
void deallocate_async (void *ptr, std::size_t bytes, std::size_t alignment, cuda_stream_view stream)
 Deallocate memory pointed to by p. More...
 
void deallocate_async (void *ptr, std::size_t bytes, cuda_stream_view stream)
 Deallocate memory pointed to by p. More...
 
bool operator== (device_memory_resource const &other) const noexcept
 Comparison operator with another device_memory_resource. More...
 
bool operator!= (device_memory_resource const &other) const noexcept
 Comparison operator with another device_memory_resource. More...
 
std::pair< std::size_t, std::size_t > get_mem_info (cuda_stream_view stream) const
 Queries the amount of free and total memory for the resource. More...
 

Detailed Description

device_memory_resource derived class that uses cudaMalloc/Free for allocation/deallocation.

Member Function Documentation

◆ operator=() [1/2]

cuda_memory_resource& rmm::mr::cuda_memory_resource::operator= ( cuda_memory_resource &&  )
default

Default move assignment operator.

Returns
cuda_memory_resource& Reference to the assigned object

◆ operator=() [2/2]

cuda_memory_resource& rmm::mr::cuda_memory_resource::operator= ( cuda_memory_resource const &  )
default

Default copy assignment operator.

Returns
cuda_memory_resource& Reference to the assigned object

◆ supports_get_mem_info()

bool rmm::mr::cuda_memory_resource::supports_get_mem_info ( ) const
inlineoverridevirtualnoexcept

Query whether the resource supports the get_mem_info API.

Returns
true

Implements rmm::mr::device_memory_resource.

◆ supports_streams()

bool rmm::mr::cuda_memory_resource::supports_streams ( ) const
inlineoverridevirtualnoexcept

Query whether the resource supports use of non-null CUDA streams for allocation/deallocation. cuda_memory_resource does not support streams.

Returns
bool false

Implements rmm::mr::device_memory_resource.


The documentation for this class was generated from the following file: