Struct DeviceProperties 

pub struct DeviceProperties {

    pub name: String,
    pub uuid: Uuid,
    pub luid: [u8; 8],
    pub luid_device_node_mask: u32,
    pub total_global_mem: usize,
    pub shared_mem_per_block: usize,
    pub regs_per_block: i32,
    pub warp_size: i32,
    pub mem_pitch: usize,
    pub max_threads_per_block: i32,
    pub max_threads_dim: [i32; 3],
    pub max_grid_size: [i32; 3],
    pub total_const_mem: usize,
    pub major: i32,
    pub minor: i32,
    pub texture_alignment: usize,
    pub texture_pitch_alignment: usize,
    pub multi_processor_count: i32,
    pub integrated: bool,
    pub can_map_host_memory: bool,
    pub max_texture1d: i32,
    pub max_texture1d_mipmap: i32,
    pub max_texture2d: [i32; 2],
    pub max_texture2d_mipmap: [i32; 2],
    pub max_texture2d_linear: [i32; 3],
    pub max_texture2d_gather: [i32; 2],
    pub max_texture3d: [i32; 3],
    pub max_texture3d_alt: [i32; 3],
    pub max_texture_cubemap: i32,
    pub max_texture1d_layered: [i32; 2],
    pub max_texture2d_layered: [i32; 3],
    pub max_texture_cubemap_layered: [i32; 2],
    pub max_surface1d: i32,
    pub max_surface2d: [i32; 2],
    pub max_surface3d: [i32; 3],
    pub max_surface1d_layered: [i32; 2],
    pub max_surface2d_layered: [i32; 3],
    pub max_surface_cubemap: i32,
    pub max_surface_cubemap_layered: [i32; 2],
    pub surface_alignment: usize,
    pub concurrent_kernels: bool,
    pub ecc_enabled: bool,
    pub pci_bus_id: i32,
    pub pci_device_id: i32,
    pub pci_domain_id: i32,
    pub tcc_driver: bool,
    pub async_engine_count: i32,
    pub unified_addressing: bool,
    pub memory_bus_width: i32,
    pub l2_cache_size: i32,
    pub persisting_l2_cache_max_size: i32,
    pub max_threads_per_multi_processor: i32,
    pub stream_priorities_supported: bool,
    pub global_l1_cache_supported: bool,
    pub local_l1_cache_supported: bool,
    pub shared_mem_per_multiprocessor: usize,
    pub regs_per_multiprocessor: i32,
    pub managed_memory: bool,
    pub is_multi_gpu_board: bool,
    pub multi_gpu_board_group_id: i32,
    pub host_native_atomic_supported: bool,
    pub pageable_memory_access: bool,
    pub concurrent_managed_access: bool,
    pub compute_preemption_supported: bool,
    pub can_use_host_pointer_for_registered_mem: bool,
    pub cooperative_launch: bool,
    pub shared_mem_per_block_optin: usize,
    pub pageable_memory_access_uses_host_page_tables: bool,
    pub direct_managed_mem_access_from_host: bool,
    pub max_blocks_per_multi_processor: i32,
    pub access_policy_max_window_size: i32,
    pub reserved_shared_mem_per_block: usize,
    pub host_register_supported: bool,
    pub sparse_cuda_array_supported: bool,
    pub host_register_read_only_supported: bool,
    pub timeline_semaphore_interop_supported: bool,
    pub memory_pools_supported: bool,
    pub gpu_direct_rdma_supported: bool,
    pub gpu_direct_rdma_flush_writes_options: u32,
    pub gpu_direct_rdma_writes_ordering: i32,
    pub memory_pool_supported_handle_types: u32,
    pub deferred_mapping_cuda_array_supported: bool,
    pub ipc_event_supported: bool,
    pub cluster_launch: bool,
    pub unified_function_pointers: bool,
}

Rust representation of CUDA device properties.

Fields

name: String

ASCII string identifying device.

uuid: Uuid

16-byte unique identifier.

luid: [u8; 8]

8-byte locally unique identifier. Value is undefined on TCC and non-Windows platforms.

luid_device_node_mask: u32

LUID device node mask. Value is undefined on TCC and non-Windows platforms.

total_global_mem: usize

Global memory available on device in bytes.

shared_mem_per_block: usize

Shared memory available per block in bytes.

regs_per_block: i32

32-bit registers available per block.

warp_size: i32

Warp size in threads.

mem_pitch: usize

Maximum pitch in bytes allowed by memory copies.

max_threads_per_block: i32

Maximum number of threads per block.

max_threads_dim: [i32; 3]

Maximum size of each dimension of a block.

max_grid_size: [i32; 3]

Maximum size of each dimension of a grid.

total_const_mem: usize

Constant memory available on device in bytes.

major: i32

Major compute capability.

minor: i32

Minor compute capability.

texture_alignment: usize

Alignment requirement for textures.

texture_pitch_alignment: usize

Pitch alignment requirement for texture references bound to pitched memory.

multi_processor_count: i32

Number of multiprocessors on device.

integrated: bool

Device is integrated as opposed to discrete.

can_map_host_memory: bool

Device can map host memory into CUDA address space.

max_texture1d: i32

Maximum 1D texture size.

max_texture1d_mipmap: i32

Maximum 1D mipmapped texture size.

max_texture2d: [i32; 2]

Maximum 2D texture dimensions.

max_texture2d_mipmap: [i32; 2]

Maximum 2D mipmapped texture dimensions.

max_texture2d_linear: [i32; 3]

Maximum dimensions (width, height, pitch) for 2D textures bound to linear memory.

max_texture2d_gather: [i32; 2]

Maximum 2D texture dimensions for texture gather operations.

max_texture3d: [i32; 3]

Maximum 3D texture dimensions.

max_texture3d_alt: [i32; 3]

Maximum alternate 3D texture dimensions.

max_texture_cubemap: i32

Maximum Cubemap texture dimensions.

max_texture1d_layered: [i32; 2]

Maximum 1D layered texture dimensions.

max_texture2d_layered: [i32; 3]

Maximum 2D layered texture dimensions.

max_texture_cubemap_layered: [i32; 2]

Maximum Cubemap layered texture dimensions.

max_surface1d: i32

Maximum 1D surface size.

max_surface2d: [i32; 2]

Maximum 2D surface dimensions.

max_surface3d: [i32; 3]

Maximum 3D surface dimensions.

max_surface1d_layered: [i32; 2]

Maximum 1D layered surface dimensions.

max_surface2d_layered: [i32; 3]

Maximum 2D layered surface dimensions.

max_surface_cubemap: i32

Maximum Cubemap surface dimensions.

max_surface_cubemap_layered: [i32; 2]

Maximum Cubemap layered surface dimensions.

surface_alignment: usize

Alignment requirements for surfaces.

concurrent_kernels: bool

Device can possibly execute multiple kernels concurrently.

ecc_enabled: bool

Device has ECC support enabled.

pci_bus_id: i32

PCI bus ID of the device.

pci_device_id: i32

PCI device ID of the device.

pci_domain_id: i32

PCI domain ID of the device.

tcc_driver: bool

1 if device is a Tesla device using TCC driver, 0 otherwise.

async_engine_count: i32

Number of asynchronous engines.

unified_addressing: bool

Device shares a unified address space with the host.

memory_bus_width: i32

Global memory bus width in bits.

l2_cache_size: i32

Size of L2 cache in bytes.

persisting_l2_cache_max_size: i32

Device’s maximum l2 persisting lines capacity setting in bytes.

max_threads_per_multi_processor: i32

Maximum resident threads per multiprocessor.

stream_priorities_supported: bool

Device supports stream priorities.

global_l1_cache_supported: bool

Device supports caching globals in L1.

local_l1_cache_supported: bool

Device supports caching locals in L1.

shared_mem_per_multiprocessor: usize

Shared memory available per multiprocessor in bytes.

regs_per_multiprocessor: i32

32-bit registers available per multiprocessor.

managed_memory: bool

Device supports allocating managed memory on this system.

is_multi_gpu_board: bool

Device is on a multi-GPU board.

multi_gpu_board_group_id: i32

Unique identifier for a group of devices on the same multi-GPU board.

host_native_atomic_supported: bool

Link between the device and the host supports native atomic operations.

pageable_memory_access: bool

Device supports coherently accessing pageable memory without calling DeviceMemory::register_host on it.

concurrent_managed_access: bool

Device can coherently access managed memory concurrently with the CPU.

compute_preemption_supported: bool

Device supports Compute Preemption.

can_use_host_pointer_for_registered_mem: bool

Device can access host registered memory at the same virtual address as the CPU.

cooperative_launch: bool

Device supports cooperative kernel launches.

shared_mem_per_block_optin: usize

Per device maximum shared memory per block usable by special opt-in.

pageable_memory_access_uses_host_page_tables: bool

Device accesses pageable memory via the host’s page tables.

direct_managed_mem_access_from_host: bool

Host can directly access managed memory on the device without migration.

max_blocks_per_multi_processor: i32

Maximum number of resident blocks per multiprocessor.

access_policy_max_window_size: i32

Maximum value of the CUDA access-policy window num_bytes field.

reserved_shared_mem_per_block: usize

Shared memory reserved by CUDA driver per block in bytes.

host_register_supported: bool

Device supports host memory registration via DeviceMemory::register_host.

sparse_cuda_array_supported: bool

Device supports sparse CUDA arrays and sparse CUDA mipmapped arrays.

host_register_read_only_supported: bool

Device supports HostRegisterFlags::READ_ONLY for host registrations mapped as read-only to the GPU.

timeline_semaphore_interop_supported: bool

External timeline semaphore interop is supported.

memory_pools_supported: bool

Device supports CUDA memory pools.

gpu_direct_rdma_supported: bool

Device supports GPUDirect RDMA APIs.

gpu_direct_rdma_flush_writes_options: u32

The returned flags may be used as subset of the supported write ordering MASTs supplied with GPUDirect RDMA writes.

gpu_direct_rdma_writes_ordering: i32

GPUDirect RDMA writes are guaranteed to be ordered with respect to other GPUDirect RDMA writes from the same GPU.

memory_pool_supported_handle_types: u32

Handle types supported with mempool based IPC.

deferred_mapping_cuda_array_supported: bool

Indicates device supports deferred mapping CUDA arrays and mapping hints.

ipc_event_supported: bool

Device supports IPC Events.

cluster_launch: bool

Device supports Cluster Launch.

unified_function_pointers: bool

Device supports unified function pointers.

Trait Implementations

impl Clone for DeviceProperties

fn clone(&self) -> DeviceProperties

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for DeviceProperties

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl TryFrom<cudaDeviceProp> for DeviceProperties

type Error = Error

The type returned in the event of a conversion error.

fn try_from(value: cudaDeviceProp) -> Result<Self>

Performs the conversion.