Right now the ILU0 is applied on the CPU. We want it to apply on the GPU.
- ViennaCL 1.3.1 introduced a GPU kernel to apply ILU factors. Test to make sure that ILU0 works
- It was not essential to have this on the GPU since no one has tested this and other preconditioners on RBF-FD matrices.
Right now the ILU0 is applied on the CPU. We want it to apply on the GPU.