diff options
Diffstat (limited to 'libcuda')
| -rw-r--r-- | libcuda/cuda_runtime_api.cc | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/libcuda/cuda_runtime_api.cc b/libcuda/cuda_runtime_api.cc index 6e562fe..3e0d0da 100644 --- a/libcuda/cuda_runtime_api.cc +++ b/libcuda/cuda_runtime_api.cc @@ -290,6 +290,8 @@ struct cudaDeviceProp **gpgpu_cuda_devices; static dim3 g_cudaGridDim; static dim3 g_cudaBlockDim; +static cudaStream_t g_stream_id = 0; + /******************************************************************************* * * * * @@ -858,26 +860,33 @@ __host__ cudaError_t CUDARTAPI cudaLaunch(const char *symbol ) __host__ cudaError_t CUDARTAPI cudaStreamCreate(cudaStream_t *stream) { - cuda_not_implemented(__my_func__,__LINE__); - return g_last_cudaError = cudaErrorUnknown; + printf("GPGPU-Sim PTX: WARNING: This stub implementation of %s can only support a single stream! \n", __my_func__); + assert(stream != NULL); + *stream = g_stream_id; + assert(g_stream_id == 0); + g_stream_id += 1; + return g_last_cudaError = cudaSuccess; } __host__ cudaError_t CUDARTAPI cudaStreamDestroy(cudaStream_t stream) { - cuda_not_implemented(__my_func__,__LINE__); - return g_last_cudaError = cudaErrorUnknown; + printf("GPGPU-Sim PTX: WARNING: This stub implementation of %s can only support a single stream! \n", __my_func__); + assert(stream == 0); + g_stream_id -= 1; + assert(g_stream_id == 0); + return g_last_cudaError = cudaSuccess; } __host__ cudaError_t CUDARTAPI cudaStreamSynchronize(cudaStream_t stream) { - cuda_not_implemented(__my_func__,__LINE__); - return g_last_cudaError = cudaErrorUnknown; + printf("GPGPU-Sim PTX: WARNING: This implementation of %s can only a stub! \n", __my_func__); + return g_last_cudaError = cudaSuccess; // it is stub because all cuda calls are synchronous } __host__ cudaError_t CUDARTAPI cudaStreamQuery(cudaStream_t stream) { - cuda_not_implemented(__my_func__,__LINE__); - return g_last_cudaError = cudaErrorUnknown; + printf("GPGPU-Sim PTX: WARNING: This implementation of %s can only a stub! \n", __my_func__); + return g_last_cudaError = cudaSuccess; // it is always success because all cuda calls are synchronous } /******************************************************************************* |