| -cuda_initialize <default yes,no> | - do the initialization in PetscInitialize(). If -cuda_initialize no is used then the default initialization is done automatically
when the first CUDA call is made unless you call PetscCUDAInitialize() before any CUDA operations are performed
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| -cuda_view | - view information about the CUDA devices
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| -cuda_synchronize | - wait at the end of asynchronize CUDA calls so that their time gets credited to the current event; default with -log_view
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| -cuda_set_device <gpu> | - integer number of the device
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