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CUDA Runtime API :: CUDA Toolkit Documentation

This section describes the error handling functions of the CUDA runtime application programming interface.

__host__ ​ __device__ ​const char* cudaGetErrorName ( cudaError_t error )

Returns the string representation of an error code enum name.

__host__ ​ __device__ ​const char* cudaGetErrorString ( cudaError_t error )

Returns the description string for an error code.

__host__ ​ __device__ ​cudaError_t cudaGetLastError ( void )

Returns the last error from a runtime call.

__host__ ​ __device__ ​cudaError_t cudaPeekAtLastError ( void )

Returns the last error from a runtime call.

__host__ ​ __device__ ​const char* cudaGetErrorName ( cudaError_t error )

Returns the string representation of an error code enum name.

error

- Error code to convert to string

char* pointer to a NULL-terminated string

__host__ ​ __device__ ​const char* cudaGetErrorString ( cudaError_t error )

Returns the description string for an error code.

error

- Error code to convert to string

char* pointer to a NULL-terminated string

__host__ ​ __device__ ​cudaError_t cudaGetLastError ( void )

Returns the last error from a runtime call.

cudaSuccess, cudaErrorMissingConfiguration, cudaErrorMemoryAllocation, cudaErrorInitializationError, cudaErrorLaunchFailure, cudaErrorLaunchTimeout, cudaErrorLaunchOutOfResources, cudaErrorInvalidDeviceFunction, cudaErrorInvalidConfiguration, cudaErrorInvalidDevice, cudaErrorInvalidValue, cudaErrorInvalidPitchValue, cudaErrorInvalidSymbol, cudaErrorUnmapBufferObjectFailed, cudaErrorInvalidDevicePointer, cudaErrorInvalidTexture, cudaErrorInvalidTextureBinding, cudaErrorInvalidChannelDescriptor, cudaErrorInvalidMemcpyDirection, cudaErrorInvalidFilterSetting, cudaErrorInvalidNormSetting, cudaErrorUnknown, cudaErrorInvalidResourceHandle, cudaErrorInsufficientDriver, cudaErrorNoDevice, cudaErrorSetOnActiveProcess, cudaErrorStartupFailure, cudaErrorInvalidPtx, cudaErrorUnsupportedPtxVersion, cudaErrorNoKernelImageForDevice, cudaErrorJitCompilerNotFound, cudaErrorJitCompilationDisabled

Returns the last error that has been produced by any of the runtime calls in the same instance of the CUDA Runtime library in the host thread and resets it to cudaSuccess.

Note: Multiple instances of the CUDA Runtime library can be present in an application when using a library that statically links the CUDA Runtime.

See also:

cudaPeekAtLastError, cudaGetErrorName, cudaGetErrorString, cudaError

__host__ ​ __device__ ​cudaError_t cudaPeekAtLastError ( void )

Returns the last error from a runtime call.

cudaSuccess, cudaErrorMissingConfiguration, cudaErrorMemoryAllocation, cudaErrorInitializationError, cudaErrorLaunchFailure, cudaErrorLaunchTimeout, cudaErrorLaunchOutOfResources, cudaErrorInvalidDeviceFunction, cudaErrorInvalidConfiguration, cudaErrorInvalidDevice, cudaErrorInvalidValue, cudaErrorInvalidPitchValue, cudaErrorInvalidSymbol, cudaErrorUnmapBufferObjectFailed, cudaErrorInvalidDevicePointer, cudaErrorInvalidTexture, cudaErrorInvalidTextureBinding, cudaErrorInvalidChannelDescriptor, cudaErrorInvalidMemcpyDirection, cudaErrorInvalidFilterSetting, cudaErrorInvalidNormSetting, cudaErrorUnknown, cudaErrorInvalidResourceHandle, cudaErrorInsufficientDriver, cudaErrorNoDevice, cudaErrorSetOnActiveProcess, cudaErrorStartupFailure, cudaErrorInvalidPtx, cudaErrorUnsupportedPtxVersion, cudaErrorNoKernelImageForDevice, cudaErrorJitCompilerNotFound, cudaErrorJitCompilationDisabled

Returns the last error that has been produced by any of the runtime calls in the same instance of the CUDA Runtime library in the host thread. This call does not reset the error to cudaSuccess like cudaGetLastError().

Note: Multiple instances of the CUDA Runtime library can be present in an application when using a library that statically links the CUDA Runtime.

See also:

cudaGetLastError, cudaGetErrorName, cudaGetErrorString, cudaError

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