hipDeviceProp_t Struct Reference#
#include <hip_runtime_api.h>
Data Fields | |
| char | name [256] |
| Device name. | |
| hipUUID | uuid |
| UUID of a device. | |
| char | luid [8] |
| 8-byte unique identifier. Only valid on windows | |
| unsigned int | luidDeviceNodeMask |
| LUID node mask. | |
| size_t | totalGlobalMem |
| Size of global memory region (in bytes). | |
| size_t | sharedMemPerBlock |
| Size of shared memory per block (in bytes). | |
| int | regsPerBlock |
| Registers per block. | |
| int | warpSize |
| Warp size. | |
| size_t | memPitch |
| int | maxThreadsPerBlock |
| Max work items per work group or workgroup max size. | |
| int | maxThreadsDim [3] |
| Max number of threads in each dimension (XYZ) of a block. | |
| int | maxGridSize [3] |
| Max grid dimensions (XYZ). | |
| int | clockRate |
| Max clock frequency of the multiProcessors in khz. | |
| size_t | totalConstMem |
| int | major |
| int | minor |
| size_t | textureAlignment |
| Alignment requirement for textures. | |
| size_t | texturePitchAlignment |
| Pitch alignment requirement for texture references bound to. | |
| int | deviceOverlap |
| Deprecated. Use asyncEngineCount instead. | |
| int | multiProcessorCount |
| Number of multi-processors (compute units). | |
| int | kernelExecTimeoutEnabled |
| Run time limit for kernels executed on the device. | |
| int | integrated |
| APU vs dGPU. | |
| int | canMapHostMemory |
| Check whether HIP can map host memory. | |
| int | computeMode |
| Compute mode. | |
| int | maxTexture1D |
| Maximum number of elements in 1D images. | |
| int | maxTexture1DMipmap |
| Maximum 1D mipmap texture size. | |
| int | maxTexture1DLinear |
| Maximum size for 1D textures bound to linear memory. | |
| int | maxTexture2D [2] |
| Maximum dimensions (width, height) of 2D images, in image elements. | |
| int | maxTexture2DMipmap [2] |
| Maximum number of elements in 2D array mipmap of images. | |
| int | maxTexture2DLinear [3] |
| Maximum 2D tex dimensions if tex are bound to pitched memory. | |
| int | maxTexture2DGather [2] |
| Maximum 2D tex dimensions if gather has to be performed. | |
| int | maxTexture3D [3] |
| int | maxTexture3DAlt [3] |
| Maximum alternate 3D texture dims. | |
| int | maxTextureCubemap |
| Maximum cubemap texture dims. | |
| int | maxTexture1DLayered [2] |
| Maximum number of elements in 1D array images. | |
| int | maxTexture2DLayered [3] |
| Maximum number of elements in 2D array images. | |
| int | maxTextureCubemapLayered [2] |
| Maximum cubemaps layered texture dims. | |
| int | maxSurface1D |
| Maximum 1D surface size. | |
| int | maxSurface2D [2] |
| Maximum 2D surface size. | |
| int | maxSurface3D [3] |
| Maximum 3D surface size. | |
| int | maxSurface1DLayered [2] |
| Maximum 1D layered surface size. | |
| int | maxSurface2DLayered [3] |
| Maximum 2D layared surface size. | |
| int | maxSurfaceCubemap |
| Maximum cubemap surface size. | |
| int | maxSurfaceCubemapLayered [2] |
| Maximum cubemap layered surface size. | |
| size_t | surfaceAlignment |
| Alignment requirement for surface. | |
| int | concurrentKernels |
| Device can possibly execute multiple kernels concurrently. | |
| int | ECCEnabled |
| Device has ECC support enabled. | |
| int | pciBusID |
| PCI Bus ID. | |
| int | pciDeviceID |
| PCI Device ID. | |
| int | pciDomainID |
| PCI Domain ID. | |
| int | tccDriver |
| 1:If device is Tesla device using TCC driver, else 0 | |
| int | asyncEngineCount |
| Number of async engines. | |
| int | unifiedAddressing |
| Does device and host share unified address space. | |
| int | memoryClockRate |
| Max global memory clock frequency in khz. | |
| int | memoryBusWidth |
| Global memory bus width in bits. | |
| int | l2CacheSize |
| L2 cache size. | |
| int | persistingL2CacheMaxSize |
| Device's max L2 persisting lines in bytes. | |
| int | maxThreadsPerMultiProcessor |
| Maximum resident threads per multi-processor. | |
| int | streamPrioritiesSupported |
| Device supports stream priority. | |
| int | globalL1CacheSupported |
| Indicates globals are cached in L1. | |
| int | localL1CacheSupported |
| Locals are cahced in L1. | |
| size_t | sharedMemPerMultiprocessor |
| Amount of shared memory available per multiprocessor. | |
| int | regsPerMultiprocessor |
| registers available per multiprocessor | |
| int | managedMemory |
| Device supports allocating managed memory on this system. | |
| int | isMultiGpuBoard |
| 1 if device is on a multi-GPU board, 0 if not. | |
| int | multiGpuBoardGroupID |
| Unique identifier for a group of devices on same multiboard GPU. | |
| int | hostNativeAtomicSupported |
| Link between host and device supports native atomics. | |
| int | singleToDoublePrecisionPerfRatio |
| Deprecated. CUDA only. | |
| int | pageableMemoryAccess |
| int | concurrentManagedAccess |
| int | computePreemptionSupported |
| Is compute preemption supported on the device. | |
| int | canUseHostPointerForRegisteredMem |
| int | cooperativeLaunch |
| HIP device supports cooperative launch. | |
| int | cooperativeMultiDeviceLaunch |
| size_t | sharedMemPerBlockOptin |
| Per device m ax shared mem per block usable by special opt in. | |
| int | pageableMemoryAccessUsesHostPageTables |
| int | directManagedMemAccessFromHost |
| int | maxBlocksPerMultiProcessor |
| Max number of blocks on CU. | |
| int | accessPolicyMaxWindowSize |
| Max value of access policy window. | |
| size_t | reservedSharedMemPerBlock |
| Shared memory reserved by driver per block. | |
| int | hostRegisterSupported |
| Device supports hipHostRegister. | |
| int | sparseHipArraySupported |
| Indicates if device supports sparse hip arrays. | |
| int | hostRegisterReadOnlySupported |
| int | timelineSemaphoreInteropSupported |
| Indicates external timeline semaphore support. | |
| int | memoryPoolsSupported |
| Indicates if device supports hipMallocAsync and hipMemPool APIs. | |
| int | gpuDirectRDMASupported |
| Indicates device support of RDMA APIs. | |
| unsigned int | gpuDirectRDMAFlushWritesOptions |
| int | gpuDirectRDMAWritesOrdering |
| value of hipGPUDirectRDMAWritesOrdering | |
| unsigned int | memoryPoolSupportedHandleTypes |
| Bitmask of handle types support with mempool based IPC. | |
| int | deferredMappingHipArraySupported |
| int | ipcEventSupported |
| Device supports IPC events. | |
| int | clusterLaunch |
| Device supports cluster launch. | |
| int | unifiedFunctionPointers |
| Indicates device supports unified function pointers. | |
| int | reserved [63] |
| CUDA Reserved. | |
| int | hipReserved [32] |
| Reserved for adding new entries for HIP/CUDA. | |
| char | gcnArchName [256] |
| AMD GCN Arch Name. HIP Only. | |
| size_t | maxSharedMemoryPerMultiProcessor |
| Maximum Shared Memory Per CU. HIP Only. | |
| int | clockInstructionRate |
| hipDeviceArch_t | arch |
| Architectural feature flags. New for HIP. | |
| unsigned int * | hdpMemFlushCntl |
| Addres of HDP_MEM_COHERENCY_FLUSH_CNTL register. | |
| unsigned int * | hdpRegFlushCntl |
| Addres of HDP_REG_COHERENCY_FLUSH_CNTL register. | |
| int | cooperativeMultiDeviceUnmatchedFunc |
| int | cooperativeMultiDeviceUnmatchedGridDim |
| int | cooperativeMultiDeviceUnmatchedBlockDim |
| int | cooperativeMultiDeviceUnmatchedSharedMem |
| int | isLargeBar |
| 1: if it is a large PCI bar device, else 0 | |
| int | asicRevision |
| Revision of the GPU in this device. | |
Detailed Description
hipDeviceProp
Field Documentation
◆ accessPolicyMaxWindowSize
| int hipDeviceProp_t::accessPolicyMaxWindowSize |
Max value of access policy window.
◆ arch
| hipDeviceArch_t hipDeviceProp_t::arch |
Architectural feature flags. New for HIP.
◆ asicRevision
| int hipDeviceProp_t::asicRevision |
Revision of the GPU in this device.
◆ asyncEngineCount
| int hipDeviceProp_t::asyncEngineCount |
Number of async engines.
◆ canMapHostMemory
| int hipDeviceProp_t::canMapHostMemory |
Check whether HIP can map host memory.
◆ canUseHostPointerForRegisteredMem
| int hipDeviceProp_t::canUseHostPointerForRegisteredMem |
Device can access host registered memory with same address as the host
◆ clockInstructionRate
| int hipDeviceProp_t::clockInstructionRate |
Frequency in khz of the timer used by the device-side "clock*" instructions. New for HIP.
◆ clockRate
| int hipDeviceProp_t::clockRate |
Max clock frequency of the multiProcessors in khz.
◆ clusterLaunch
| int hipDeviceProp_t::clusterLaunch |
Device supports cluster launch.
◆ computeMode
| int hipDeviceProp_t::computeMode |
Compute mode.
◆ computePreemptionSupported
| int hipDeviceProp_t::computePreemptionSupported |
Is compute preemption supported on the device.
◆ concurrentKernels
| int hipDeviceProp_t::concurrentKernels |
Device can possibly execute multiple kernels concurrently.
◆ concurrentManagedAccess
| int hipDeviceProp_t::concurrentManagedAccess |
Device can coherently access managed memory concurrently with the CPU
◆ cooperativeLaunch
| int hipDeviceProp_t::cooperativeLaunch |
HIP device supports cooperative launch.
◆ cooperativeMultiDeviceLaunch
| int hipDeviceProp_t::cooperativeMultiDeviceLaunch |
HIP device supports cooperative launch on multiple devices
◆ cooperativeMultiDeviceUnmatchedBlockDim
| int hipDeviceProp_t::cooperativeMultiDeviceUnmatchedBlockDim |
HIP device supports cooperative launch on multiple devices with unmatched block dimensions
◆ cooperativeMultiDeviceUnmatchedFunc
| int hipDeviceProp_t::cooperativeMultiDeviceUnmatchedFunc |
HIP device supports cooperative launch on multiple devices with unmatched functions
◆ cooperativeMultiDeviceUnmatchedGridDim
| int hipDeviceProp_t::cooperativeMultiDeviceUnmatchedGridDim |
HIP device supports cooperative launch on multiple devices with unmatched grid dimensions
◆ cooperativeMultiDeviceUnmatchedSharedMem
| int hipDeviceProp_t::cooperativeMultiDeviceUnmatchedSharedMem |
HIP device supports cooperative launch on multiple devices with unmatched shared memories
◆ deferredMappingHipArraySupported
| int hipDeviceProp_t::deferredMappingHipArraySupported |
Device supports deferred mapping HIP arrays and HIP mipmapped arrays
◆ deviceOverlap
| int hipDeviceProp_t::deviceOverlap |
Deprecated. Use asyncEngineCount instead.
◆ directManagedMemAccessFromHost
| int hipDeviceProp_t::directManagedMemAccessFromHost |
Host can directly access managed memory on the device without migration
◆ ECCEnabled
| int hipDeviceProp_t::ECCEnabled |
Device has ECC support enabled.
◆ gcnArchName
| char hipDeviceProp_t::gcnArchName[256] |
AMD GCN Arch Name. HIP Only.
◆ globalL1CacheSupported
| int hipDeviceProp_t::globalL1CacheSupported |
Indicates globals are cached in L1.
◆ gpuDirectRDMAFlushWritesOptions
| unsigned int hipDeviceProp_t::gpuDirectRDMAFlushWritesOptions |
Bitmask to be interpreted according to hipFlushGPUDirectRDMAWritesOptions
◆ gpuDirectRDMASupported
| int hipDeviceProp_t::gpuDirectRDMASupported |
Indicates device support of RDMA APIs.
◆ gpuDirectRDMAWritesOrdering
| int hipDeviceProp_t::gpuDirectRDMAWritesOrdering |
value of hipGPUDirectRDMAWritesOrdering
◆ hdpMemFlushCntl
| unsigned int* hipDeviceProp_t::hdpMemFlushCntl |
Addres of HDP_MEM_COHERENCY_FLUSH_CNTL register.
◆ hdpRegFlushCntl
| unsigned int* hipDeviceProp_t::hdpRegFlushCntl |
Addres of HDP_REG_COHERENCY_FLUSH_CNTL register.
◆ hipReserved
| int hipDeviceProp_t::hipReserved[32] |
Reserved for adding new entries for HIP/CUDA.
◆ hostNativeAtomicSupported
| int hipDeviceProp_t::hostNativeAtomicSupported |
Link between host and device supports native atomics.
◆ hostRegisterReadOnlySupported
| int hipDeviceProp_t::hostRegisterReadOnlySupported |
Device supports using the hipHostRegisterReadOnly flag with hipHostRegistger
◆ hostRegisterSupported
| int hipDeviceProp_t::hostRegisterSupported |
Device supports hipHostRegister.
◆ integrated
| int hipDeviceProp_t::integrated |
APU vs dGPU.
◆ ipcEventSupported
| int hipDeviceProp_t::ipcEventSupported |
Device supports IPC events.
◆ isLargeBar
| int hipDeviceProp_t::isLargeBar |
1: if it is a large PCI bar device, else 0
◆ isMultiGpuBoard
| int hipDeviceProp_t::isMultiGpuBoard |
1 if device is on a multi-GPU board, 0 if not.
◆ kernelExecTimeoutEnabled
| int hipDeviceProp_t::kernelExecTimeoutEnabled |
Run time limit for kernels executed on the device.
◆ l2CacheSize
| int hipDeviceProp_t::l2CacheSize |
L2 cache size.
◆ localL1CacheSupported
| int hipDeviceProp_t::localL1CacheSupported |
Locals are cahced in L1.
◆ luid
| char hipDeviceProp_t::luid[8] |
8-byte unique identifier. Only valid on windows
◆ luidDeviceNodeMask
| unsigned int hipDeviceProp_t::luidDeviceNodeMask |
LUID node mask.
◆ major
| int hipDeviceProp_t::major |
Major compute capability. On HCC, this is an approximation and features may differ from CUDA CC. See the arch feature flags for portable ways to query feature caps.
◆ managedMemory
| int hipDeviceProp_t::managedMemory |
Device supports allocating managed memory on this system.
◆ maxBlocksPerMultiProcessor
| int hipDeviceProp_t::maxBlocksPerMultiProcessor |
Max number of blocks on CU.
◆ maxGridSize
| int hipDeviceProp_t::maxGridSize[3] |
Max grid dimensions (XYZ).
◆ maxSharedMemoryPerMultiProcessor
| size_t hipDeviceProp_t::maxSharedMemoryPerMultiProcessor |
Maximum Shared Memory Per CU. HIP Only.
◆ maxSurface1D
| int hipDeviceProp_t::maxSurface1D |
Maximum 1D surface size.
◆ maxSurface1DLayered
| int hipDeviceProp_t::maxSurface1DLayered[2] |
Maximum 1D layered surface size.
◆ maxSurface2D
| int hipDeviceProp_t::maxSurface2D[2] |
Maximum 2D surface size.
◆ maxSurface2DLayered
| int hipDeviceProp_t::maxSurface2DLayered[3] |
Maximum 2D layared surface size.
◆ maxSurface3D
| int hipDeviceProp_t::maxSurface3D[3] |
Maximum 3D surface size.
◆ maxSurfaceCubemap
| int hipDeviceProp_t::maxSurfaceCubemap |
Maximum cubemap surface size.
◆ maxSurfaceCubemapLayered
| int hipDeviceProp_t::maxSurfaceCubemapLayered[2] |
Maximum cubemap layered surface size.
◆ maxTexture1D
| int hipDeviceProp_t::maxTexture1D |
Maximum number of elements in 1D images.
◆ maxTexture1DLayered
| int hipDeviceProp_t::maxTexture1DLayered[2] |
Maximum number of elements in 1D array images.
◆ maxTexture1DLinear
| int hipDeviceProp_t::maxTexture1DLinear |
Maximum size for 1D textures bound to linear memory.
◆ maxTexture1DMipmap
| int hipDeviceProp_t::maxTexture1DMipmap |
Maximum 1D mipmap texture size.
◆ maxTexture2D
| int hipDeviceProp_t::maxTexture2D[2] |
Maximum dimensions (width, height) of 2D images, in image elements.
◆ maxTexture2DGather
| int hipDeviceProp_t::maxTexture2DGather[2] |
Maximum 2D tex dimensions if gather has to be performed.
◆ maxTexture2DLayered
| int hipDeviceProp_t::maxTexture2DLayered[3] |
Maximum number of elements in 2D array images.
◆ maxTexture2DLinear
| int hipDeviceProp_t::maxTexture2DLinear[3] |
Maximum 2D tex dimensions if tex are bound to pitched memory.
◆ maxTexture2DMipmap
| int hipDeviceProp_t::maxTexture2DMipmap[2] |
Maximum number of elements in 2D array mipmap of images.
◆ maxTexture3D
| int hipDeviceProp_t::maxTexture3D[3] |
Maximum dimensions (width, height, depth) of 3D images, in image elements
◆ maxTexture3DAlt
| int hipDeviceProp_t::maxTexture3DAlt[3] |
Maximum alternate 3D texture dims.
◆ maxTextureCubemap
| int hipDeviceProp_t::maxTextureCubemap |
Maximum cubemap texture dims.
◆ maxTextureCubemapLayered
| int hipDeviceProp_t::maxTextureCubemapLayered[2] |
Maximum cubemaps layered texture dims.
◆ maxThreadsDim
| int hipDeviceProp_t::maxThreadsDim[3] |
Max number of threads in each dimension (XYZ) of a block.
◆ maxThreadsPerBlock
| int hipDeviceProp_t::maxThreadsPerBlock |
Max work items per work group or workgroup max size.
◆ maxThreadsPerMultiProcessor
| int hipDeviceProp_t::maxThreadsPerMultiProcessor |
Maximum resident threads per multi-processor.
◆ memoryBusWidth
| int hipDeviceProp_t::memoryBusWidth |
Global memory bus width in bits.
◆ memoryClockRate
| int hipDeviceProp_t::memoryClockRate |
Max global memory clock frequency in khz.
◆ memoryPoolsSupported
| int hipDeviceProp_t::memoryPoolsSupported |
Indicates if device supports hipMallocAsync and hipMemPool APIs.
◆ memoryPoolSupportedHandleTypes
| unsigned int hipDeviceProp_t::memoryPoolSupportedHandleTypes |
Bitmask of handle types support with mempool based IPC.
◆ memPitch
| size_t hipDeviceProp_t::memPitch |
Maximum pitch in bytes allowed by memory copies pitched memory
◆ minor
| int hipDeviceProp_t::minor |
Minor compute capability. On HCC, this is an approximation and features may differ from CUDA CC. See the arch feature flags for portable ways to query feature caps.
◆ multiGpuBoardGroupID
| int hipDeviceProp_t::multiGpuBoardGroupID |
Unique identifier for a group of devices on same multiboard GPU.
◆ multiProcessorCount
| int hipDeviceProp_t::multiProcessorCount |
Number of multi-processors (compute units).
◆ name
| char hipDeviceProp_t::name[256] |
Device name.
◆ pageableMemoryAccess
| int hipDeviceProp_t::pageableMemoryAccess |
Device supports coherently accessing pageable memory without calling hipHostRegister on it
◆ pageableMemoryAccessUsesHostPageTables
| int hipDeviceProp_t::pageableMemoryAccessUsesHostPageTables |
Device accesses pageable memory via the host's page tables
◆ pciBusID
| int hipDeviceProp_t::pciBusID |
PCI Bus ID.
◆ pciDeviceID
| int hipDeviceProp_t::pciDeviceID |
PCI Device ID.
◆ pciDomainID
| int hipDeviceProp_t::pciDomainID |
PCI Domain ID.
◆ persistingL2CacheMaxSize
| int hipDeviceProp_t::persistingL2CacheMaxSize |
Device's max L2 persisting lines in bytes.
◆ regsPerBlock
| int hipDeviceProp_t::regsPerBlock |
Registers per block.
◆ regsPerMultiprocessor
| int hipDeviceProp_t::regsPerMultiprocessor |
registers available per multiprocessor
◆ reserved
| int hipDeviceProp_t::reserved[63] |
CUDA Reserved.
◆ reservedSharedMemPerBlock
| size_t hipDeviceProp_t::reservedSharedMemPerBlock |
Shared memory reserved by driver per block.
◆ sharedMemPerBlock
| size_t hipDeviceProp_t::sharedMemPerBlock |
Size of shared memory per block (in bytes).
◆ sharedMemPerBlockOptin
| size_t hipDeviceProp_t::sharedMemPerBlockOptin |
Per device m ax shared mem per block usable by special opt in.
◆ sharedMemPerMultiprocessor
| size_t hipDeviceProp_t::sharedMemPerMultiprocessor |
Amount of shared memory available per multiprocessor.
◆ singleToDoublePrecisionPerfRatio
| int hipDeviceProp_t::singleToDoublePrecisionPerfRatio |
Deprecated. CUDA only.
◆ sparseHipArraySupported
| int hipDeviceProp_t::sparseHipArraySupported |
Indicates if device supports sparse hip arrays.
◆ streamPrioritiesSupported
| int hipDeviceProp_t::streamPrioritiesSupported |
Device supports stream priority.
◆ surfaceAlignment
| size_t hipDeviceProp_t::surfaceAlignment |
Alignment requirement for surface.
◆ tccDriver
| int hipDeviceProp_t::tccDriver |
1:If device is Tesla device using TCC driver, else 0
◆ textureAlignment
| size_t hipDeviceProp_t::textureAlignment |
Alignment requirement for textures.
◆ texturePitchAlignment
| size_t hipDeviceProp_t::texturePitchAlignment |
Pitch alignment requirement for texture references bound to.
◆ timelineSemaphoreInteropSupported
| int hipDeviceProp_t::timelineSemaphoreInteropSupported |
Indicates external timeline semaphore support.
◆ totalConstMem
| size_t hipDeviceProp_t::totalConstMem |
Size of shared constant memory region on the device (in bytes).
◆ totalGlobalMem
| size_t hipDeviceProp_t::totalGlobalMem |
Size of global memory region (in bytes).
◆ unifiedAddressing
| int hipDeviceProp_t::unifiedAddressing |
Does device and host share unified address space.
◆ unifiedFunctionPointers
| int hipDeviceProp_t::unifiedFunctionPointers |
Indicates device supports unified function pointers.
◆ uuid
| hipUUID hipDeviceProp_t::uuid |
UUID of a device.
◆ warpSize
| int hipDeviceProp_t::warpSize |
Warp size.
The documentation for this struct was generated from the following file:
- /home/docs/checkouts/readthedocs.org/user_builds/advanced-micro-devices-hip/checkouts/latest/include/hip/hip_runtime_api.h