code: public static int cusolverSpXcsrmetisndHost(
          cusolverSpHandle handle, 
          int n, 
          int nnzA, 
          cusparseMatDescr descrA, 
          Pointer csrRowPtrA, 
          Pointer csrColIndA, 
          long[] options, 
          Pointer p)
      {
          return checkResult(cusolverSpXcsrmetisndHostNative(handle, n, nnzA, descrA, csrRowPtrA, csrColIndA, options, p));
      }
docs: --------- CPU metis
  symmetric reordering