The exact binary file layout for matrices is given in the manual page for MatLoad().
Barry On Mar 4, 2011, at 4:40 PM, ning.an at ghiocel-tech.com wrote: > Hello There, > > I am new to PETSc and programming with FORTRAN. For the huge sparse matrix > (200,000x200,000 symmetric), it is so slow to set the matrix in PETSc by > reading them in matrix market format, which is far beyond our patience. > Therefore, I guess that it would be much fast to load the huge matrix, if > the matrix is in PETSc binary matrix format > directly. > > Please help on how to write the symmetric matrix in PETSc binary matrix > format directly? > Both the guidance and examples are welcome. > > Ning
