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-rw-r--r--libcuda/cuda_runtime_api.cc3
1 files changed, 3 insertions, 0 deletions
diff --git a/libcuda/cuda_runtime_api.cc b/libcuda/cuda_runtime_api.cc
index fb3e07a..17a5c96 100644
--- a/libcuda/cuda_runtime_api.cc
+++ b/libcuda/cuda_runtime_api.cc
@@ -1498,6 +1498,9 @@ __host__ cudaError_t CUDARTAPI cudaLaunch( const char *hostFun )
gpgpusim_ptx_assert( !g_cuda_launch_stack.empty(), "empty launch stack" );
kernel_config config = g_cuda_launch_stack.back();
struct CUstream_st *stream = config.get_stream();
+ if(g_stream_manager->is_blocking())
+ stream = 0;
+
printf("\nGPGPU-Sim PTX: cudaLaunch for 0x%p (mode=%s) on stream %u\n", hostFun,
g_ptx_sim_mode?"functional simulation":"performance simulation", stream?stream->get_uid():0 );
kernel_info_t *grid = gpgpu_cuda_ptx_sim_init_grid(hostFun,config.get_args(),config.grid_dim(),config.block_dim(),context);