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attributes.go
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attributes.go
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package cu
//#include <cuda.h>
import "C"
// DeviceAttribute represents the device attributes that the user can query CUDA for.
type DeviceAttribute int
const (
MaxThreadsPerBlock DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAX_THREADS_PER_BLOCK // Maximum number of threads per block
MaxBlockDimX DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAX_BLOCK_DIM_X // Maximum block dimension X
MaxBlockDimY DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAX_BLOCK_DIM_Y // Maximum block dimension Y
MaxBlockDimZ DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAX_BLOCK_DIM_Z // Maximum block dimension Z
MaxGridDimX DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAX_GRID_DIM_X // Maximum grid dimension X
MaxGridDimY DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAX_GRID_DIM_Y // Maximum grid dimension Y
MaxGridDimZ DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAX_GRID_DIM_Z // Maximum grid dimension Z
MaxSharedMemoryPerBlock DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAX_SHARED_MEMORY_PER_BLOCK // Maximum shared memory available per block in bytes
SharedMemoryPerBlock DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_SHARED_MEMORY_PER_BLOCK // Deprecated, use CU_DEVICE_ATTRIBUTE_MAX_SHARED_MEMORY_PER_BLOCK
TotalConstantMemory DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_TOTAL_CONSTANT_MEMORY // Memory available on device for __constant__ variables in a CUDA C kernel in bytes
WarpSize DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_WARP_SIZE // Warp size in threads
MaxPitch DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAX_PITCH // Maximum pitch in bytes allowed by memory copies
MaxRegistersPerBlock DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAX_REGISTERS_PER_BLOCK // Maximum number of 32-bit registers available per block
RegistersPerBlock DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_REGISTERS_PER_BLOCK // Deprecated, use CU_DEVICE_ATTRIBUTE_MAX_REGISTERS_PER_BLOCK
ClockRate DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_CLOCK_RATE // Typical clock frequency in kilohertz
TextureAlignment DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_TEXTURE_ALIGNMENT // Alignment requirement for textures
GpuOverlap DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_GPU_OVERLAP // Device can possibly copy memory and execute a kernel concurrently. Deprecated. Use instead CU_DEVICE_ATTRIBUTE_ASYNC_ENGINE_COUNT.
MultiprocessorCount DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MULTIPROCESSOR_COUNT // Number of multiprocessors on device
KernelExecTimeout DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_KERNEL_EXEC_TIMEOUT // Specifies whether there is a run time limit on kernels
Integrated DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_INTEGRATED // Device is integrated with host memory
CanMapHostMemory DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_CAN_MAP_HOST_MEMORY // Device can map host memory into CUDA address space
ComputeMode DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_COMPUTE_MODE // Compute mode (See CUcomputemode for details)
MaximumTexture1dWidth DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE1D_WIDTH // Maximum 1D texture width
MaximumTexture2dWidth DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_WIDTH // Maximum 2D texture width
MaximumTexture2dHeight DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_HEIGHT // Maximum 2D texture height
MaximumTexture3dWidth DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE3D_WIDTH // Maximum 3D texture width
MaximumTexture3dHeight DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE3D_HEIGHT // Maximum 3D texture height
MaximumTexture3dDepth DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE3D_DEPTH // Maximum 3D texture depth
MaximumTexture2dLayeredWidth DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_LAYERED_WIDTH // Maximum 2D layered texture width
MaximumTexture2dLayeredHeight DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_LAYERED_HEIGHT // Maximum 2D layered texture height
MaximumTexture2dLayeredLayers DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_LAYERED_LAYERS // Maximum layers in a 2D layered texture
MaximumTexture2dArrayWidth DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_ARRAY_WIDTH // Deprecated, use CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_LAYERED_WIDTH
MaximumTexture2dArrayHeight DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_ARRAY_HEIGHT // Deprecated, use CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_LAYERED_HEIGHT
MaximumTexture2dArrayNumslices DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_ARRAY_NUMSLICES // Deprecated, use CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_LAYERED_LAYERS
SurfaceAlignment DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_SURFACE_ALIGNMENT // Alignment requirement for surfaces
ConcurrentKernels DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_CONCURRENT_KERNELS // Device can possibly execute multiple kernels concurrently
EccEnabled DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_ECC_ENABLED // Device has ECC support enabled
PciBusID DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_PCI_BUS_ID // PCI bus ID of the device
PciDeviceID DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_PCI_DEVICE_ID // PCI device ID of the device
TccDriver DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_TCC_DRIVER // Device is using TCC driver model
MemoryClockRate DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MEMORY_CLOCK_RATE // Peak memory clock frequency in kilohertz
GlobalMemoryBusWidth DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_GLOBAL_MEMORY_BUS_WIDTH // Global memory bus width in bits
L2CacheSize DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_L2_CACHE_SIZE // Size of L2 cache in bytes
MaxThreadsPerMultiprocessor DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAX_THREADS_PER_MULTIPROCESSOR // Maximum resident threads per multiprocessor
AsyncEngineCount DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_ASYNC_ENGINE_COUNT // Number of asynchronous engines
UnifiedAddressing DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_UNIFIED_ADDRESSING // Device shares a unified address space with the host
MaximumTexture1dLayeredWidth DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE1D_LAYERED_WIDTH // Maximum 1D layered texture width
MaximumTexture1dLayeredLayers DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE1D_LAYERED_LAYERS // Maximum layers in a 1D layered texture
CanTex2dGather DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_CAN_TEX2D_GATHER // Deprecated, do not use.
MaximumTexture2dGatherWidth DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_GATHER_WIDTH // Maximum 2D texture width if CUDA_ARRAY3D_TEXTURE_GATHER is set
MaximumTexture2dGatherHeight DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_GATHER_HEIGHT // Maximum 2D texture height if CUDA_ARRAY3D_TEXTURE_GATHER is set
MaximumTexture3dWidthAlternate DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE3D_WIDTH_ALTERNATE // Alternate maximum 3D texture width
MaximumTexture3dHeightAlternate DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE3D_HEIGHT_ALTERNATE // Alternate maximum 3D texture height
MaximumTexture3dDepthAlternate DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE3D_DEPTH_ALTERNATE // Alternate maximum 3D texture depth
PciDomainID DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_PCI_DOMAIN_ID // PCI domain ID of the device
TexturePitchAlignment DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_TEXTURE_PITCH_ALIGNMENT // Pitch alignment requirement for textures
MaximumTexturecubemapWidth DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURECUBEMAP_WIDTH // Maximum cubemap texture width/height
MaximumTexturecubemapLayeredWidth DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURECUBEMAP_LAYERED_WIDTH // Maximum cubemap layered texture width/height
MaximumTexturecubemapLayeredLayers DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURECUBEMAP_LAYERED_LAYERS // Maximum layers in a cubemap layered texture
MaximumSurface1dWidth DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACE1D_WIDTH // Maximum 1D surface width
MaximumSurface2dWidth DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACE2D_WIDTH // Maximum 2D surface width
MaximumSurface2dHeight DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACE2D_HEIGHT // Maximum 2D surface height
MaximumSurface3dWidth DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACE3D_WIDTH // Maximum 3D surface width
MaximumSurface3dHeight DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACE3D_HEIGHT // Maximum 3D surface height
MaximumSurface3dDepth DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACE3D_DEPTH // Maximum 3D surface depth
MaximumSurface1dLayeredWidth DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACE1D_LAYERED_WIDTH // Maximum 1D layered surface width
MaximumSurface1dLayeredLayers DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACE1D_LAYERED_LAYERS // Maximum layers in a 1D layered surface
MaximumSurface2dLayeredWidth DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACE2D_LAYERED_WIDTH // Maximum 2D layered surface width
MaximumSurface2dLayeredHeight DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACE2D_LAYERED_HEIGHT // Maximum 2D layered surface height
MaximumSurface2dLayeredLayers DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACE2D_LAYERED_LAYERS // Maximum layers in a 2D layered surface
MaximumSurfacecubemapWidth DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACECUBEMAP_WIDTH // Maximum cubemap surface width
MaximumSurfacecubemapLayeredWidth DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACECUBEMAP_LAYERED_WIDTH // Maximum cubemap layered surface width
MaximumSurfacecubemapLayeredLayers DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_SURFACECUBEMAP_LAYERED_LAYERS // Maximum layers in a cubemap layered surface
MaximumTexture1dLinearWidth DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE1D_LINEAR_WIDTH // Maximum 1D linear texture width
MaximumTexture2dLinearWidth DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_LINEAR_WIDTH // Maximum 2D linear texture width
MaximumTexture2dLinearHeight DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_LINEAR_HEIGHT // Maximum 2D linear texture height
MaximumTexture2dLinearPitch DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_LINEAR_PITCH // Maximum 2D linear texture pitch in bytes
MaximumTexture2dMipmappedWidth DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_MIPMAPPED_WIDTH // Maximum mipmapped 2D texture width
MaximumTexture2dMipmappedHeight DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE2D_MIPMAPPED_HEIGHT // Maximum mipmapped 2D texture height
ComputeCapabilityMajor DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR // Major compute capability version number
ComputeCapabilityMinor DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MINOR // Minor compute capability version number
MaximumTexture1dMipmappedWidth DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAXIMUM_TEXTURE1D_MIPMAPPED_WIDTH // Maximum mipmapped 1D texture width
StreamPrioritiesSupported DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_STREAM_PRIORITIES_SUPPORTED // Device supports stream priorities
GlobalL1CacheSupported DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_GLOBAL_L1_CACHE_SUPPORTED // Device supports caching globals in L1
LocalL1CacheSupported DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_LOCAL_L1_CACHE_SUPPORTED // Device supports caching locals in L1
MaxSharedMemoryPerMultiprocessor DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAX_SHARED_MEMORY_PER_MULTIPROCESSOR // Maximum shared memory available per multiprocessor in bytes
MaxRegistersPerMultiprocessor DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MAX_REGISTERS_PER_MULTIPROCESSOR // Maximum number of 32-bit registers available per multiprocessor
ManagedMemory DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MANAGED_MEMORY // Device can allocate managed memory on this system
MultiGpuBoard DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MULTI_GPU_BOARD // Device is on a multi-GPU board
MultiGpuBoardGroupID DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_MULTI_GPU_BOARD_GROUP_ID // Unique id for a group of devices on the same multi-GPU board
HostNativeAtomicSupported DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_HOST_NATIVE_ATOMIC_SUPPORTED // Link between the device and the host supports native atomic operations (this is a placeholder attribute, and is not supported on any current hardware)
SingleToDoublePrecisionPerfRatio DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_SINGLE_TO_DOUBLE_PRECISION_PERF_RATIO // Ratio of single precision performance (in floating-point operations per second) to double precision performance
PageableMemoryAccess DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_PAGEABLE_MEMORY_ACCESS // Device supports coherently accessing pageable memory without calling cudaHostRegister on it
ConcurrentManagedAccess DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_CONCURRENT_MANAGED_ACCESS // Device can coherently access managed memory concurrently with the CPU
ComputePreemptionSupported DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_COMPUTE_PREEMPTION_SUPPORTED // Device supports compute preemption.
CanUseHostPointerForRegisteredMem DeviceAttribute = C.CU_DEVICE_ATTRIBUTE_CAN_USE_HOST_POINTER_FOR_REGISTERED_MEM // Device can access host registered memory at the same virtual address as the CPU
)
// FunctionAttribute is a representation of the properties of a function
type FunctionAttribute int
const (
FnMaxThreadsPerBlock FunctionAttribute = C.CU_FUNC_ATTRIBUTE_MAX_THREADS_PER_BLOCK // The maximum number of threads per block, beyond which a launch of the function would fail. This number depends on both the function and the device on which the function is currently loaded.
SharedSizeBytes FunctionAttribute = C.CU_FUNC_ATTRIBUTE_SHARED_SIZE_BYTES // The size in bytes of statically-allocated shared memory required by this function. This does not include dynamically-allocated shared memory requested by the user at runtime.
ConstSizeBytes FunctionAttribute = C.CU_FUNC_ATTRIBUTE_CONST_SIZE_BYTES // The size in bytes of user-allocated constant memory required by this function.
LocalSizeBytes FunctionAttribute = C.CU_FUNC_ATTRIBUTE_LOCAL_SIZE_BYTES // The size in bytes of local memory used by each thread of this function.
NumRegs FunctionAttribute = C.CU_FUNC_ATTRIBUTE_NUM_REGS // The number of registers used by each thread of this function.
PtxVersion FunctionAttribute = C.CU_FUNC_ATTRIBUTE_PTX_VERSION // The PTX virtual architecture version for which the function was compiled. This value is the major PTX version * 10 + the minor PTX version, so a PTX version 1.3 function would return the value 13. Note that this may return the undefined value of 0 for cubins compiled prior to CUDA 3.0.
BinaryVersion FunctionAttribute = C.CU_FUNC_ATTRIBUTE_BINARY_VERSION // The binary architecture version for which the function was compiled. This value is the major binary version * 10 + the minor binary version, so a binary version 1.3 function would return the value 13. Note that this will return a value of 10 for legacy cubins that do not have a properly-encoded binary architecture version.
CacheModeCa FunctionAttribute = C.CU_FUNC_ATTRIBUTE_CACHE_MODE_CA // The attribute to indicate whether the function has been compiled with user specified option "-Xptxas --dlcm=ca" set .
)
// PointerAttribute is a representation of the metadata of pointers
type PointerAttribute int
const (
ContextAttr PointerAttribute = C.CU_POINTER_ATTRIBUTE_CONTEXT // The CUcontext on which a pointer was allocated or registered
MemoryTypeAttr PointerAttribute = C.CU_POINTER_ATTRIBUTE_MEMORY_TYPE // The CUmemorytype describing the physical location of a pointer
DevicePointerAttr PointerAttribute = C.CU_POINTER_ATTRIBUTE_DEVICE_POINTER // The address at which a pointer's memory may be accessed on the device
HostPointerAttr PointerAttribute = C.CU_POINTER_ATTRIBUTE_HOST_POINTER // The address at which a pointer's memory may be accessed on the host
P2PTokenAttr PointerAttribute = C.CU_POINTER_ATTRIBUTE_P2P_TOKENS // A pair of tokens for use with the nv-p2p.h Linux kernel interface
SymcMemopsAttr PointerAttribute = C.CU_POINTER_ATTRIBUTE_SYNC_MEMOPS // Synchronize every synchronous memory operation initiated on this region
BufferIDAttr PointerAttribute = C.CU_POINTER_ATTRIBUTE_BUFFER_ID // A process-wide unique ID for an allocated memory region
IsManagedAttr PointerAttribute = C.CU_POINTER_ATTRIBUTE_IS_MANAGED // Indicates if the pointer points to managed memory
)
// P2PAttribute is a representation of P2P attributes
type P2PAttribute byte
const (
PerformanceRank P2PAttribute = C.CU_DEVICE_P2P_ATTRIBUTE_PERFORMANCE_RANK // A relative value indicating the performance of the link between two devices
P2PAccessSupported P2PAttribute = C.CU_DEVICE_P2P_ATTRIBUTE_ACCESS_SUPPORTED // P2P Access is enabled
P2PNativeAomicSupported P2PAttribute = C.CU_DEVICE_P2P_ATTRIBUTE_NATIVE_ATOMIC_SUPPORTED // Atomic operation over the link is supported
)