3.8. Device Properties
Variables
- CUDBGResult ( *CUDBGAPI_st::getDeviceName )( uint32_t dev, char* buf, uint32_t sz )
- Get the device name string.
- CUDBGResult ( *CUDBGAPI_st::getDeviceType )( uint32_t dev, char* buf, uint32_t sz )
- Get the string description of the device.
- CUDBGResult ( *CUDBGAPI_st::getNumDevices )( uint32_t* numDev )
- Get the number of installed CUDA devices.
- CUDBGResult ( *CUDBGAPI_st::getNumLanes )( uint32_t dev, uint32_t* numLanes )
- Get the number of lanes per warp on the device.
- CUDBGResult ( *CUDBGAPI_st::getNumPredicates )( uint32_t dev, uint32_t* numPredicates )
- Get the number of predicate registers per lane on the device.
- CUDBGResult ( *CUDBGAPI_st::getNumRegisters )( uint32_t dev, uint32_t* numRegs )
- Get the maximum number of registers per lane on the device.
- CUDBGResult ( *CUDBGAPI_st::getNumSMs )( uint32_t dev, uint32_t* numSMs )
- Get the total number of SMs on the device.
- CUDBGResult ( *CUDBGAPI_st::getNumUniformPredicates )( uint32_t dev, uint32_t* numPredicates )
- Get the number of uniform predicate registers per warp on the device.
- CUDBGResult ( *CUDBGAPI_st::getNumUniformRegisters )( uint32_t dev, uint32_t* numRegs )
- Get the number of uniform registers per warp on the device.
- CUDBGResult ( *CUDBGAPI_st::getNumWarps )( uint32_t dev, uint32_t* numWarps )
- Get the number of warps per SM on the device.
- CUDBGResult ( *CUDBGAPI_st::getSmType )( uint32_t dev, char* buf, uint32_t sz )
- Get the SM type of the device.
Variables
- CUDBGResult ( *CUDBGAPI_st::getDeviceName )( uint32_t dev, char* buf, uint32_t sz )
-
Get the device name string. Returns CUDBG_ERROR_BUFFER_TOO_SMALL if the provided buffer is not large enough. This value is constant within a single session for a given device.
Since CUDA 6.5.
See also:
getSMType
Parameters
- dev
- - device index
- buf
- - the destination buffer
- sz
- - buffer size in bytes
Returns
CUDBG_SUCCESS, CUDBG_ERROR_BUFFER_TOO_SMALL, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_UNINITIALIZED, CUDBG_ERROR_INITIALIZATION_FAILURE, CUDBG_ERROR_RECURSIVE_API_CALL
- CUDBGResult ( *CUDBGAPI_st::getDeviceType )( uint32_t dev, char* buf, uint32_t sz )
-
Get the string description of the device. Returns CUDBG_ERROR_BUFFER_TOO_SMALL if the provided buffer is not large enough. This value is constant within a single session for a given device.
Since CUDA 3.0.
See also:
getSMType
Parameters
- dev
- - device index
- buf
- - the destination buffer
- sz
- - buffer size in bytes
Returns
CUDBG_SUCCESS, CUDBG_ERROR_BUFFER_TOO_SMALL, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_UNINITIALIZED, CUDBG_ERROR_INITIALIZATION_FAILURE, CUDBG_ERROR_RECURSIVE_API_CALL
- CUDBGResult ( *CUDBGAPI_st::getNumDevices )( uint32_t* numDev )
-
Get the number of installed CUDA devices. This value is constant within a single session.
Since CUDA 3.0.
See also:
Parameters
- numDev
- - the returned number of devices
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_UNINITIALIZED, CUDBG_ERROR_INITIALIZATION_FAILURE, CUDBG_ERROR_RECURSIVE_API_CALL
- CUDBGResult ( *CUDBGAPI_st::getNumLanes )( uint32_t dev, uint32_t* numLanes )
-
Get the number of lanes per warp on the device. This value is constant within a single session for a given device.
Since CUDA 3.0.
See also:
Parameters
- dev
- - device index
- numLanes
- - the returned number of lanes
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_UNINITIALIZED, CUDBG_ERROR_INITIALIZATION_FAILURE, CUDBG_ERROR_RECURSIVE_API_CALL
- CUDBGResult ( *CUDBGAPI_st::getNumPredicates )( uint32_t dev, uint32_t* numPredicates )
-
Get the number of predicate registers per lane on the device. This value is constant within a single session for a given device.
Since CUDA 6.5.
See also:
Parameters
- dev
- - device index
- numPredicates
- - the returned number of predicate registers
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_UNINITIALIZED, CUDBG_ERROR_INITIALIZATION_FAILURE, CUDBG_ERROR_RECURSIVE_API_CALL
- CUDBGResult ( *CUDBGAPI_st::getNumRegisters )( uint32_t dev, uint32_t* numRegs )
-
Get the maximum number of registers per lane on the device. This value is constant within a single session for a given device. Note that the actual number of registers can change per warp, use readWarpResources() to query that number dynamically.
Since CUDA 3.0.
See also:
Parameters
- dev
- - device index
- numRegs
- - the returned number of registers
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_UNINITIALIZED, CUDBG_ERROR_INITIALIZATION_FAILURE, CUDBG_ERROR_RECURSIVE_API_CALL
- CUDBGResult ( *CUDBGAPI_st::getNumSMs )( uint32_t dev, uint32_t* numSMs )
-
Get the total number of SMs on the device. This value is constant within a single session for a given device.
Since CUDA 3.0.
See also:
Parameters
- dev
- - device index
- numSMs
- - the returned number of SMs
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_UNINITIALIZED, CUDBG_ERROR_INITIALIZATION_FAILURE, CUDBG_ERROR_RECURSIVE_API_CALL
- CUDBGResult ( *CUDBGAPI_st::getNumUniformPredicates )( uint32_t dev, uint32_t* numPredicates )
-
Get the number of uniform predicate registers per warp on the device. This value is constant within a single session for a given device.
Since CUDA 10.0.
See also:
Parameters
- dev
- - device index
- numPredicates
- - the returned number of uniform predicate registers
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_UNINITIALIZED, CUDBG_ERROR_INITIALIZATION_FAILURE, CUDBG_ERROR_RECURSIVE_API_CALL
- CUDBGResult ( *CUDBGAPI_st::getNumUniformRegisters )( uint32_t dev, uint32_t* numRegs )
-
Get the number of uniform registers per warp on the device. This value is constant within a single session for a given device.
Since CUDA 10.0.
See also:
Parameters
- dev
- - device index
- numRegs
- - the returned number of uniform registers
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_UNINITIALIZED, CUDBG_ERROR_INITIALIZATION_FAILURE, CUDBG_ERROR_RECURSIVE_API_CALL
- CUDBGResult ( *CUDBGAPI_st::getNumWarps )( uint32_t dev, uint32_t* numWarps )
-
Get the number of warps per SM on the device. This value is constant within a single session for a given device.
Since CUDA 3.0.
See also:
Parameters
- dev
- - device index
- numWarps
- - the returned number of warps
Returns
CUDBG_SUCCESS, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_UNINITIALIZED, CUDBG_ERROR_INITIALIZATION_FAILURE, CUDBG_ERROR_RECURSIVE_API_CALL
- CUDBGResult ( *CUDBGAPI_st::getSmType )( uint32_t dev, char* buf, uint32_t sz )
-
Get the SM type of the device. Returns CUDBG_ERROR_BUFFER_TOO_SMALL if the provided buffer is not large enough. This value is constant within a single session for a given device.
Since CUDA 3.0.
See also:
Parameters
- dev
- - device index
- buf
- - the destination buffer
- sz
- - buffer size in bytes
Returns
CUDBG_SUCCESS, CUDBG_ERROR_BUFFER_TOO_SMALL, CUDBG_ERROR_INVALID_ARGS, CUDBG_ERROR_UNINITIALIZED, CUDBG_ERROR_INITIALIZATION_FAILURE, CUDBG_ERROR_RECURSIVE_API_CALL