Merge pull request #102 from PSuchita/dev

Update cudaStreamDestroy function
gpgpu-sim · Mar 16, 2019 · 551da3e · 551da3e
2 parents a2a942d + d575f94
commit 551da3e
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/libcuda/cuda_runtime_api.cc b/libcuda/cuda_runtime_api.cc
@@ -1569,6 +1569,9 @@ __host__ cudaError_t CUDARTAPI cudaStreamDestroy(cudaStream_t stream)
 	    announce_call(__my_func__);
     }
 #if (CUDART_VERSION >= 3000)
+	//synchronization required for application using external libraries without explicit synchronization in the code to 
+	//avoid the stream_manager from spinning forever to destroy non-empty streams without making any forward progress. 
+	synchronize();
 	g_stream_manager->destroy_stream(stream);
 #endif
 	return g_last_cudaError = cudaSuccess;