Hong,
> The space required remains the same, but > the row-compressed matrix format > for the factor will be changed with the > reordering. > To store the new format over the > existing memory, temp space has to be allocated during > implementation. Thus replacing the original memory with > newly allocated space would make implementation easier. > I guess this depends upon the implementation of the ILU(0) factorization for the AIJ or BAIJ formats, which I didn't (nor do I ever really want to) look into. Thanks for the help, Laslo
