diff options
Diffstat (limited to 'libcuda/cuda_runtime_api.cc')
| -rw-r--r-- | libcuda/cuda_runtime_api.cc | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/libcuda/cuda_runtime_api.cc b/libcuda/cuda_runtime_api.cc index b6fc6c8..dc92522 100644 --- a/libcuda/cuda_runtime_api.cc +++ b/libcuda/cuda_runtime_api.cc @@ -1201,18 +1201,19 @@ __host__ cudaError_t CUDARTAPI cudaEventRecord(cudaEvent_t event, cudaStream_t s __host__ cudaError_t CUDARTAPI cudaStreamWaitEvent(cudaStream_t stream, cudaEvent_t event, unsigned int flags) { + //reference: https://www.cs.cmu.edu/afs/cs/academic/class/15668-s11/www/cuda-doc/html/group__CUDART__STREAM_gfe68d207dc965685d92d3f03d77b0876.html CUevent_st *e = get_event(event); if( !e ){ - printf("GPGPU-Sim API: ERROR: Must call cudaEventRecord on event before calling cudaStreamWaitEvent.\n"); - return g_last_cudaError = cudaErrorInvalidValue; + printf("GPGPU-Sim API: Warning: cudaEventRecord has not been called on event before calling cudaStreamWaitEvent.\nNothing to be done.\n"); + return g_last_cudaError = cudaSuccess; } if (!stream){ - printf("GPGPU-Sim API: ERROR: cudaStreamWaitEvent on NULL stream not currently supported.\n"); - return g_last_cudaError = cudaErrorInvalidValue; + g_stream_manager->pushCudaStreamWaitEventToAllStreams(e, flags); + } else { + struct CUstream_st *s = (struct CUstream_st *)stream; + stream_operation op(s,e,flags); + g_stream_manager->push(op); } - struct CUstream_st *s = (struct CUstream_st *)stream; - stream_operation op(s,e,flags); - g_stream_manager->push(op); return g_last_cudaError = cudaSuccess; } |