diff options
Diffstat (limited to 'src/cuda-sim/cuda_device_runtime.cc')
| -rw-r--r-- | src/cuda-sim/cuda_device_runtime.cc | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/cuda-sim/cuda_device_runtime.cc b/src/cuda-sim/cuda_device_runtime.cc index c53ea04..2a90cba 100644 --- a/src/cuda-sim/cuda_device_runtime.cc +++ b/src/cuda-sim/cuda_device_runtime.cc @@ -139,10 +139,11 @@ void gpgpusim_cuda_launchDeviceV2(const ptx_instruction * pI, ptx_thread_info * DEV_RUNTIME_REPORT("child_kernel_arg_size " << child_kernel_arg_size); memory_space *child_kernel_param_mem = child_grid->get_param_memory(); size_t param_start_address = 0; - for(unsigned n = 0; n < child_kernel_arg_size; n++) { - unsigned char one_byte; - thread->get_gpu()->get_global_memory()->read((size_t)parameter_buffer + n, 1, &one_byte); - child_kernel_param_mem->write(param_start_address + n, 1, &one_byte, NULL, NULL); + //copy in word + for(unsigned n = 0; n < child_kernel_arg_size; n += 4) { + unsigned int oneword; + thread->get_gpu()->get_global_memory()->read((size_t)parameter_buffer + n, 4, &oneword); + child_kernel_param_mem->write(param_start_address + n, 4, &oneword, NULL, NULL); } } else if(arg == 1) { //cudaStream for the child kernel |