starpu: Use starpu_mpi_interface_datatype_node_register when available
starpu_mpi_interface_datatype_node_register will allow StarPU-MPI to use NUMA buffers and GPUDirect.
[A venir] Mise en place de quotas sur nos instances gitlab. Pour plus d'information lire: https://doc-si.inria.fr/pages/viewpage.action?pageId=129728565
starpu_mpi_interface_datatype_node_register will allow StarPU-MPI to use NUMA buffers and GPUDirect.