| Value | Meaning |
|---|---|
| CU_DEVICE_ATTRIBUTE_MAX_THREADS_PER_BLOCK1 | < Maximum number of threads per block |
| CU_DEVICE_ATTRIBUTE_MAX_BLOCK_DIM_X2 | < Maximum block dimension X |
| CU_DEVICE_ATTRIBUTE_MAX_BLOCK_DIM_Y3 | < Maximum block dimension Y |
| CU_DEVICE_ATTRIBUTE_MAX_BLOCK_DIM_Z4 | < Maximum block dimension Z |
| CU_DEVICE_ATTRIBUTE_MAX_GRID_DIM_X5 | < Maximum grid dimension X |
| CU_DEVICE_ATTRIBUTE_MAX_GRID_DIM_Y6 | < Maximum grid dimension Y |
| CU_DEVICE_ATTRIBUTE_MAX_GRID_DIM_Z7 | < Maximum grid dimension Z |
| CU_DEVICE_ATTRIBUTE_MAX_SHARED_MEMORY_PER_BLOCK8 | < Maximum shared memory available per block in bytes |
| CU_DEVICE_ATTRIBUTE_SHARED_MEMORY_PER_BLOCK8 | < Deprecated, use CU_DEVICE_ATTRIBUTE_MAX_SHARED_MEMORY_PER_BLOCK |
| CU_DEVICE_ATTRIBUTE_TOTAL_CONSTANT_MEMORY9 | < Memory available on device for __constant__ variables in a CUDA C kernel in bytes |
| CU_DEVICE_ATTRIBUTE_WARP_SIZE10 | < Warp size in threads |
| CU_DEVICE_ATTRIBUTE_MAX_PITCH11 | < Maximum pitch in bytes allowed by memory copies |
| CU_DEVICE_ATTRIBUTE_MAX_REGISTERS_PER_BLOCK12 | < Maximum number of 32-bit registers available per block |
| CU_DEVICE_ATTRIBUTE_REGISTERS_PER_BLOCK12 | < Deprecated, use CU_DEVICE_ATTRIBUTE_MAX_REGISTERS_PER_BLOCK |
| CU_DEVICE_ATTRIBUTE_CLOCK_RATE13 | < Typical clock frequency in kilohertz |
| CU_DEVICE_ATTRIBUTE_TEXTURE_ALIGNMENT14 | < Alignment requirement for textures |
| CU_DEVICE_ATTRIBUTE_GPU_OVERLAP15 | < Device can possibly copy memory and execute a kernel concurrently. Deprecated. Use instead CU_DEVICE_ATTRIBUTE_ASYNC_ENGINE_COUNT. |
| CU_DEVICE_ATTRIBUTE_MULTIPROCESSOR_COUNT16 | < Number of multiprocessors on device |
| CU_DEVICE_ATTRIBUTE_KERNEL_EXEC_TIMEOUT17 | < Specifies whether there is a run time limit on kernels |
| CU_DEVICE_ATTRIBUTE_INTEGRATED18 | < Device is integrated with host memory |
| CU_DEVICE_ATTRIBUTE_CAN_MAP_HOST_MEMORY19 | < Device can map host memory into CUDA address space |
| CU_DEVICE_ATTRIBUTE_COMPUTE_MODE20 | < Compute mode (See ::CUcomputemode for details) |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE1D_WIDTH21 | < Maximum 1D texture width |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_WIDTH22 | < Maximum 2D texture width |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_HEIGHT23 | < Maximum 2D texture height |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE3D_WIDTH24 | < Maximum 3D texture width |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE3D_HEIGHT25 | < Maximum 3D texture height |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE3D_DEPTH26 | < Maximum 3D texture depth |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_LAYERED_WIDTH27 | < Maximum 2D layered texture width |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_LAYERED_HEIGHT28 | < Maximum 2D layered texture height |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_LAYERED_LAYERS29 | < Maximum layers in a 2D layered texture |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_ARRAY_WIDTH27 | < Deprecated, use CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_LAYERED_WIDTH |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_ARRAY_HEIGHT28 | < Deprecated, use CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_LAYERED_HEIGHT |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_ARRAY_NUMSLICES29 | < Deprecated, use CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_LAYERED_LAYERS |
| CU_DEVICE_ATTRIBUTE_SURFACE_ALIGNMENT30 | < Alignment requirement for surfaces |
| CU_DEVICE_ATTRIBUTE_CONCURRENT_KERNELS31 | < Device can possibly execute multiple kernels concurrently |
| CU_DEVICE_ATTRIBUTE_ECC_ENABLED32 | < Device has ECC support enabled |
| CU_DEVICE_ATTRIBUTE_PCI_BUS_ID33 | < PCI bus ID of the device |
| CU_DEVICE_ATTRIBUTE_PCI_DEVICE_ID34 | < PCI device ID of the device |
| CU_DEVICE_ATTRIBUTE_TCC_DRIVER35 | < Device is using TCC driver model |
| CU_DEVICE_ATTRIBUTE_MEMORY_CLOCK_RATE36 | < Peak memory clock frequency in kilohertz |
| CU_DEVICE_ATTRIBUTE_GLOBAL_MEMORY_BUS_WIDTH37 | < Global memory bus width in bits |
| CU_DEVICE_ATTRIBUTE_L2_CACHE_SIZE38 | < Size of L2 cache in bytes |
| CU_DEVICE_ATTRIBUTE_MAX_THREADS_PER_MULTIPROCESSOR39 | < Maximum resident threads per multiprocessor |
| CU_DEVICE_ATTRIBUTE_ASYNC_ENGINE_COUNT40 | < Number of asynchronous engines |
| CU_DEVICE_ATTRIBUTE_UNIFIED_ADDRESSING41 | < Device shares a unified address space with the host |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE1D_LAYERED_WIDTH42 | < Maximum 1D layered texture width |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE1D_LAYERED_LAYERS43 | < Maximum layers in a 1D layered texture |
| CU_DEVICE_ATTRIBUTE_CAN_TEX2D_GATHER44 | < Deprecated, do not use. |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_GATHER_WIDTH45 | < Maximum 2D texture width if CUDA_ARRAY3D_TEXTURE_GATHER is set |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_GATHER_HEIGHT46 | < Maximum 2D texture height if CUDA_ARRAY3D_TEXTURE_GATHER is set |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE3D_WIDTH_ALTERNATE47 | < Alternate maximum 3D texture width |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE3D_HEIGHT_ALTERNATE48 | < Alternate maximum 3D texture height |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE3D_DEPTH_ALTERNATE49 | < Alternate maximum 3D texture depth |
| CU_DEVICE_ATTRIBUTE_PCI_DOMAIN_ID50 | < PCI domain ID of the device |
| CU_DEVICE_ATTRIBUTE_TEXTURE_PITCH_ALIGNMENT51 | < Pitch alignment requirement for textures |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURECUBEMAP_WIDTH52 | < Maximum cubemap texture width/height |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURECUBEMAP_LAYERED_WIDTH53 | < Maximum cubemap layered texture width/height |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURECUBEMAP_LAYERED_LAYERS54 | < Maximum layers in a cubemap layered texture |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACE1D_WIDTH55 | < Maximum 1D surface width |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACE2D_WIDTH56 | < Maximum 2D surface width |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACE2D_HEIGHT57 | < Maximum 2D surface height |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACE3D_WIDTH58 | < Maximum 3D surface width |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACE3D_HEIGHT59 | < Maximum 3D surface height |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACE3D_DEPTH60 | < Maximum 3D surface depth |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACE1D_LAYERED_WIDTH61 | < Maximum 1D layered surface width |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACE1D_LAYERED_LAYERS62 | < Maximum layers in a 1D layered surface |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACE2D_LAYERED_WIDTH63 | < Maximum 2D layered surface width |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACE2D_LAYERED_HEIGHT64 | < Maximum 2D layered surface height |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACE2D_LAYERED_LAYERS65 | < Maximum layers in a 2D layered surface |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACECUBEMAP_WIDTH66 | < Maximum cubemap surface width |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACECUBEMAP_LAYERED_WIDTH67 | < Maximum cubemap layered surface width |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACECUBEMAP_LAYERED_LAYERS68 | < Maximum layers in a cubemap layered surface |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE1D_LINEAR_WIDTH69 | < Maximum 1D linear texture width |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_LINEAR_WIDTH70 | < Maximum 2D linear texture width |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_LINEAR_HEIGHT71 | < Maximum 2D linear texture height |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_LINEAR_PITCH72 | < Maximum 2D linear texture pitch in bytes |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_MIPMAPPED_WIDTH73 | < Maximum mipmapped 2D texture width |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_MIPMAPPED_HEIGHT74 | < Maximum mipmapped 2D texture height |
| CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR75 | < Major compute capability version number |
| CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MINOR76 | < Minor compute capability version number |
| CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE1D_MIPMAPPED_WIDTH77 | < Maximum mipmapped 1D texture width |
| CU_DEVICE_ATTRIBUTE_STREAM_PRIORITIES_SUPPORTED78 | < Device supports stream priorities |
| CU_DEVICE_ATTRIBUTE_GLOBAL_L1_CACHE_SUPPORTED79 | < Device supports caching globals in L1 |
| CU_DEVICE_ATTRIBUTE_LOCAL_L1_CACHE_SUPPORTED80 | < Device supports caching locals in L1 |
| CU_DEVICE_ATTRIBUTE_MAX_SHARED_MEMORY_PER_MULTIPROCESSOR81 | < Maximum shared memory available per multiprocessor in bytes |
| CU_DEVICE_ATTRIBUTE_MAX_REGISTERS_PER_MULTIPROCESSOR82 | < Maximum number of 32-bit registers available per multiprocessor |
| CU_DEVICE_ATTRIBUTE_MANAGED_MEMORY83 | < Device can allocate managed memory on this system |
| CU_DEVICE_ATTRIBUTE_MULTI_GPU_BOARD84 | < Device is on a multi-GPU board |
| CU_DEVICE_ATTRIBUTE_MULTI_GPU_BOARD_GROUP_ID85 | < Unique id for a group of devices on the same multi-GPU board |
| CU_DEVICE_ATTRIBUTE_HOST_NATIVE_ATOMIC_SUPPORTED86 | < Link between the device and the host supports native atomic operations (this is a placeholder attribute, and is not supported on any current hardware) |
| CU_DEVICE_ATTRIBUTE_SINGLE_TO_DOUBLE_PRECISION_PERF_RATIO87 | < Ratio of single precision performance (in floating-point operations per second) to double precision performance |
| CU_DEVICE_ATTRIBUTE_PAGEABLE_MEMORY_ACCESS88 | < Device supports coherently accessing pageable memory without calling cudaHostRegister on it |
| CU_DEVICE_ATTRIBUTE_CONCURRENT_MANAGED_ACCESS89 | < Device can coherently access managed memory concurrently with the CPU |
| CU_DEVICE_ATTRIBUTE_COMPUTE_PREEMPTION_SUPPORTED90 | < Device supports compute preemption. |
| CU_DEVICE_ATTRIBUTE_CAN_USE_HOST_POINTER_FOR_REGISTERED_MEM91 | < Device can access host registered memory at the same virtual address as the CPU |
| CU_DEVICE_ATTRIBUTE_CAN_USE_STREAM_MEM_OPS92 | < ::cuStreamBatchMemOp and related APIs are supported. |
| CU_DEVICE_ATTRIBUTE_CAN_USE_64_BIT_STREAM_MEM_OPS93 | < 64-bit operations are supported in ::cuStreamBatchMemOp and related APIs. |
| CU_DEVICE_ATTRIBUTE_CAN_USE_STREAM_WAIT_VALUE_NOR94 | < ::CU_STREAM_WAIT_VALUE_NOR is supported. |
| CU_DEVICE_ATTRIBUTE_COOPERATIVE_LAUNCH95 | < Device supports launching cooperative kernels via ::cuLaunchCooperativeKernel |
| CU_DEVICE_ATTRIBUTE_COOPERATIVE_MULTI_DEVICE_LAUNCH96 | < Device can participate in cooperative kernels launched via ::cuLaunchCooperativeKernelMultiDevice |
| CU_DEVICE_ATTRIBUTE_MAX_SHARED_MEMORY_PER_BLOCK_OPTIN97 | < Maximum optin shared memory per block |
| CU_DEVICE_ATTRIBUTE_CAN_FLUSH_REMOTE_WRITES98 | < Both the ::CU_STREAM_WAIT_VALUE_FLUSH flag and the ::CU_STREAM_MEM_OP_FLUSH_REMOTE_WRITES MemOp are supported on the device. See \ref CUDA_MEMOP for additional details. |
| CU_DEVICE_ATTRIBUTE_HOST_REGISTER_SUPPORTED99 | < Device supports host memory registration via ::cudaHostRegister. |
| CU_DEVICE_ATTRIBUTE_PAGEABLE_MEMORY_ACCESS_USES_HOST_PAGE_TABLES100 | < Device accesses pageable memory via the host's page tables. |
| CU_DEVICE_ATTRIBUTE_DIRECT_MANAGED_MEM_ACCESS_FROM_HOST101 | < The host can directly access managed memory on the device without migration. |
| CU_DEVICE_ATTRIBUTE_MAX |